- Assemble and install electrical, plumbing, mechanical, hydraulic, and structural components and accessories, using hand or power tools.
Occupations with related tasks Save Table: XLSX CSV
| Closely Related Tasks | All Related Tasks | Job Zone | Code | Occupation |
| 7 | 7 | 2 | 47-3013.00 | Helpers--Electricians |
| 4 | 5 | 3 | 49-2091.00 | Avionics Technicians 
|
| 4 | 4 | 3 | 47-2111.00 | Electricians
|
| 3 | 7 | 3 | 47-4021.00 | Elevator and Escalator Installers and Repairers
|
| 3 | 5 | 3 | 49-2021.00 | Radio, Cellular, and Tower Equipment Installers and Repairers
|
| 2 | 5 | 2 | 49-9031.00 | Home Appliance Repairers |
| 2 | 3 | 3 | 49-2093.00 | Electrical and Electronics Installers and Repairers, Transportation Equipment
|
| 2 | 2 | 3 | 49-2098.00 | Security and Fire Alarm Systems Installers
|
| 2 | 2 | 3 | 49-2022.00 | Telecommunications Equipment Installers and Repairers, Except Line Installers |
| 1 | 3 | 3 | 49-3041.00 | Farm Equipment Mechanics and Service Technicians
|
| 1 | 3 | 2 | 49-9051.00 | Electrical Power-Line Installers and Repairers
|
| 1 | 3 | 3 | 49-2011.00 | Computer, Automated Teller, and Office Machine Repairers |
| 1 | 3 | 2 | 49-9011.00 | Mechanical Door Repairers
|
| 1 | 3 | 3 | 49-9071.00 | Maintenance and Repair Workers, General
|
| 1 | 3 | 3 | 49-9012.00 | Control and Valve Installers and Repairers, Except Mechanical Door |
| 1 | 2 | 3 | 49-9061.00 | Camera and Photographic Equipment Repairers |
| 1 | 2 | 3 | 49-2092.00 | Electric Motor, Power Tool, and Related Repairers |
| 1 | 1 | 2 | 49-9094.00 | Locksmiths and Safe Repairers |
| 1 | 1 | 3 | 27-4015.00 | Lighting Technicians |
| 1 | 1 | 2 | 47-2221.00 | Structural Iron and Steel Workers |
| 1 | 1 | 3 | 49-2094.00 | Electrical and Electronics Repairers, Commercial and Industrial Equipment |
| 1 | 1 | 3 | 49-9092.00 | Commercial Divers
|
| 1 | 1 | 2 | 49-9099.01 | Geothermal Technicians |
| 1 | 1 | 2 | 47-5044.00 | Loading and Moving Machine Operators, Underground Mining |
| 1 | 1 | 2 | 47-2231.00 | Solar Photovoltaic Installers
|
- Strip insulation from wire ends, using wire stripping pliers, and attach wires to terminals for subsequent soldering.
- Perform semi-skilled and unskilled laboring duties related to the installation, maintenance and repair of a wide variety of electrical systems and equipment.
- Thread conduit ends, connect couplings, and fabricate and secure conduit support brackets, using hand tools.
- Install copper-clad ground rods, using a manual post driver.
- Bolt component parts together to form tower assemblies, using hand tools.
- Erect electrical system components and barricades, and rig scaffolds, hoists, and shoring.
- Solder electrical connections, using soldering iron.
- Trace out short circuits in wiring, using test meter.
- Measure, cut, and bend wire and conduit, using measuring instruments and hand tools.
- Examine electrical units for loose connections and broken insulation and tighten connections, using hand tools.
- Maintain tools, vehicles, and equipment and keep parts and supplies in order.
- Drill holes and pull or push wiring through openings, using hand and power tools.
- Clean work area and wash parts.
- Disassemble defective electrical equipment, replace defective or worn parts, and reassemble equipment, using hand tools.
- Construct controllers and panels, using power drills, drill presses, taps, saws, and punches.
- Transport tools, materials, equipment, and supplies to work site by hand, handtruck, or heavy, motorized truck.
- String transmission lines or cables through ducts or conduits, under the ground, through equipment, or to towers.
- Dig trenches or holes for installation of conduit or supports.
- Raise, lower, or position equipment, tools, and materials, using hoist, hand line, or block and tackle.
- Trim trees and clear undergrowth along right-of-way.
- Requisition materials, using warehouse requisition or release forms.
- Paint a variety of objects related to electrical functions.
- Break up concrete, using airhammer, to facilitate installation, construction, or repair of equipment.
- Operate heavy equipment, such as backhoes.
- Operate cutting torches and welding equipment, while working with conduit and metal components to construct devices associated with electrical functions.
- Strip insulation from wire ends, using wire stripping pliers, and attach wires to terminals for subsequent soldering.
- Perform semi-skilled and unskilled laboring duties related to the installation, maintenance and repair of a wide variety of electrical systems and equipment.
- Thread conduit ends, connect couplings, and fabricate and secure conduit support brackets, using hand tools.
- Install copper-clad ground rods, using a manual post driver.
- Bolt component parts together to form tower assemblies, using hand tools.
- Erect electrical system components and barricades, and rig scaffolds, hoists, and shoring.
- Solder electrical connections, using soldering iron.
- Install electrical and electronic components, assemblies, and systems in aircraft, using hand tools, power tools, or soldering irons.
- Assemble components such as switches, electrical controls, and junction boxes, using hand tools or soldering irons.
- Connect components to assemblies such as radio systems, instruments, magnetos, inverters, and in-flight refueling systems, using hand tools and soldering irons.
- Assemble prototypes or models of circuits, instruments, and systems for use in testing.
- Adjust, repair, or replace malfunctioning components or assemblies, using hand tools or soldering irons.
- Test and troubleshoot instruments, components, and assemblies, using circuit testers, oscilloscopes, or voltmeters.
- Keep records of maintenance and repair work.
- Set up and operate ground support and test equipment to perform functional flight tests of electrical and electronic systems.
- Lay out installation of aircraft assemblies and systems, following documentation such as blueprints, manuals, and wiring diagrams.
- Interpret flight test data to diagnose malfunctions and systemic performance problems.
- Coordinate work with that of engineers, technicians, and other aircraft maintenance personnel.
- Fabricate parts and test aids as required.
- Operate computer-aided drafting and design applications to design avionics system modifications.
- Perform installation, testing, adjustment, and repair of avionics equipment in uncrewed aerial vehicles, such as drones.
- Install electrical and electronic components, assemblies, and systems in aircraft, using hand tools, power tools, or soldering irons.
- Assemble components such as switches, electrical controls, and junction boxes, using hand tools or soldering irons.
- Connect components to assemblies such as radio systems, instruments, magnetos, inverters, and in-flight refueling systems, using hand tools and soldering irons.
- Assemble prototypes or models of circuits, instruments, and systems for use in testing.
- Adjust, repair, or replace malfunctioning components or assemblies, using hand tools or soldering irons.
- Assemble, install, test, or maintain electrical or electronic wiring, equipment, appliances, apparatus, or fixtures, using hand tools or power tools.
- Connect wires to circuit breakers, transformers, or other components.
- Install ground leads and connect power cables to equipment, such as motors.
- Fasten small metal or plastic boxes to walls to house electrical switches or outlets.
- Prepare sketches or follow blueprints to determine the location of wiring or equipment and to ensure conformance to building and safety codes.
- Place conduit, pipes, or tubing, inside designated partitions, walls, or other concealed areas, and pull insulated wires or cables through the conduit to complete circuits between boxes.
- Work from ladders, scaffolds, or roofs to install, maintain, or repair electrical wiring, equipment, or fixtures.
- Use a variety of tools or equipment, such as power construction equipment, measuring devices, power tools, and testing equipment, such as oscilloscopes, ammeters, or test lamps.
- Maintain current electrician's license or identification card to meet governmental regulations.
- Plan layout and installation of electrical wiring, equipment, or fixtures, based on job specifications and local codes.
- Direct or train workers to install, maintain, or repair electrical wiring, equipment, or fixtures.
- Test electrical systems or continuity of circuits in electrical wiring, equipment, or fixtures, using testing devices, such as ohmmeters, voltmeters, or oscilloscopes, to ensure compatibility and safety of system.
- Diagnose malfunctioning systems, apparatus, or components, using test equipment and hand tools to locate the cause of a breakdown and correct the problem.
- Inspect electrical systems, equipment, or components to identify hazards, defects, or the need for adjustment or repair, and to ensure compliance with codes.
- Advise management on whether continued operation of equipment could be hazardous.
- Repair or replace wiring, equipment, or fixtures, using hand tools or power tools.
- Construct or fabricate parts, using hand tools, according to specifications.
- Provide preliminary sketches or cost estimates for materials or services.
- Perform business management duties, such as maintaining records or files, preparing reports, or ordering supplies or equipment.
- Perform physically demanding tasks, such as digging trenches to lay conduit or moving or lifting heavy objects.
- Provide assistance during emergencies by operating floodlights or generators, placing flares, or driving needed vehicles.
- Assemble, install, test, or maintain electrical or electronic wiring, equipment, appliances, apparatus, or fixtures, using hand tools or power tools.
- Connect wires to circuit breakers, transformers, or other components.
- Install ground leads and connect power cables to equipment, such as motors.
- Fasten small metal or plastic boxes to walls to house electrical switches or outlets.
- Connect electrical wiring to control panels and electric motors.
- Install electrical wires and controls by attaching conduit along shaft walls from floor to floor and pulling plastic-covered wires through the conduit.
- Assemble electrically powered stairs, steel frameworks, and tracks, and install associated motors and electrical wiring.
- Assemble, install, repair, and maintain elevators, escalators, moving sidewalks, and dumbwaiters, using hand and power tools, and testing devices such as test lamps, ammeters, and voltmeters.
- Connect car frames to counterweights, using steel cables.
- Attach guide shoes and rollers to minimize the lateral motion of cars as they travel through shafts.
- Assemble elevator cars, installing each car's platform, walls, and doors.
- Inspect wiring connections, control panel hookups, door installations, and alignments and clearances of cars and hoistways to ensure that equipment will operate properly.
- Disassemble defective units, and repair or replace parts such as locks, gears, cables, and electric wiring.
- Check that safety regulations and building codes are met, and complete service reports verifying conformance to standards.
- Locate malfunctions in brakes, motors, switches, and signal and control systems, using test equipment.
- Adjust safety controls, counterweights, door mechanisms, and components such as valves, ratchets, seals, and brake linings.
- Read and interpret blueprints to determine the layout of system components, frameworks, and foundations, and to select installation equipment.
- Maintain log books that detail all repairs and checks performed.
- Test newly installed equipment to ensure that it meets specifications, such as stopping at floors for set amounts of time.
- Participate in additional training to keep skills up to date.
- Operate elevators to determine power demands, and test power consumption to detect overload factors.
- Install outer doors and door frames at elevator entrances on each floor of a structure.
- Bolt or weld steel rails to the walls of shafts to guide elevators, working from scaffolding or platforms.
- Cut prefabricated sections of framework, rails, and other components to specified dimensions.
- Connect electrical wiring to control panels and electric motors.
- Install electrical wires and controls by attaching conduit along shaft walls from floor to floor and pulling plastic-covered wires through the conduit.
- Assemble electrically powered stairs, steel frameworks, and tracks, and install associated motors and electrical wiring.
- Assemble, install, repair, and maintain elevators, escalators, moving sidewalks, and dumbwaiters, using hand and power tools, and testing devices such as test lamps, ammeters, and voltmeters.
- Connect car frames to counterweights, using steel cables.
- Attach guide shoes and rollers to minimize the lateral motion of cars as they travel through shafts.
- Assemble elevator cars, installing each car's platform, walls, and doors.
- Install all necessary transmission equipment components, including antennas or antenna mounts, surge arrestors, transmission lines, connectors, or tower-mounted amplifiers (TMAs).
- Install, connect, or test underground or aboveground grounding systems.
- Install or repair tower lighting components, including strobes, beacons, or lighting controllers.
- Bolt equipment into place, using hand or power tools.
- Install, adjust, and repair stationary and mobile radio transmitting and receiving equipment and two-way radio communication systems.
- Inspect completed work to ensure all hardware is tight, antennas are level, hangers are properly fastened, proper support is in place, or adequate weather proofing has been installed.
- Run appropriate power, ground, or coaxial cables.
- Test operation of tower transmission components, using sweep testing tools or software.
- Read work orders, blueprints, plans, datasheets or site drawings to determine work to be done.
- Replace existing antennas with new antennas as directed.
- Complete reports related to project status, progress, or other work details, using computer software.
- Check antenna positioning to ensure specified azimuths or mechanical tilts and adjust as necessary.
- Transport equipment to work sites, using utility trucks and equipment trailers.
- Take site survey photos or photos of work performed, using digital cameras.
- Climb towers to access components, using safety equipment, such as full-body harnesses.
- Climb communication towers to install, replace, or repair antennas or auxiliary equipment used to transmit and receive radio waves.
- Lift equipment into position, using cranes and rigging tools or equipment, such as gin poles.
- Perform maintenance or repair work on existing tower equipment, using hand or power tools.
- Locate tower sites where work is to be performed, using mapping software.
- Calibrate and align components, using scales, gauges, and other measuring instruments.
- Examine malfunctioning radio equipment to locate defects such as loose connections, broken wires, or burned-out components, using schematic diagrams and test equipment.
- Insert plugs into receptacles and bolt or screw leads to terminals to connect equipment to power sources, using hand tools.
- Monitor radio range stations to detect transmission flaws and adjust controls to eliminate flaws.
- Mount equipment on transmission towers and in vehicles such as ships or ambulances.
- Remove and replace defective components and parts such as conductors, resistors, semiconductors, and integrated circuits, using soldering irons, wire cutters, and hand tools.
- Repair circuits, wiring, and soldering, using soldering irons and hand tools to install parts and adjust connections.
- Test batteries, using hydrometers and ammeters, and charge batteries as necessary.
- Test emergency transmitters to ensure their readiness for immediate use.
- Test equipment functions such as signal strength and quality, transmission capacity, interference, and signal delay, using equipment such as oscilloscopes, circuit analyzers, frequency meters, and wattmeters.
- Turn setscrews to adjust receivers for maximum sensitivity and transmitters for maximum output.
- Use drone technology to inspect towers and antennas for damage or maintenance needs.
- Install all necessary transmission equipment components, including antennas or antenna mounts, surge arrestors, transmission lines, connectors, or tower-mounted amplifiers (TMAs).
- Install, connect, or test underground or aboveground grounding systems.
- Install or repair tower lighting components, including strobes, beacons, or lighting controllers.
- Bolt equipment into place, using hand or power tools.
- Install, adjust, and repair stationary and mobile radio transmitting and receiving equipment and two-way radio communication systems.
- Install gas pipes and water lines to connect appliances to existing gas lines or plumbing.
- Measure, cut, and thread pipe, and connect it to feeder lines and equipment or appliances, using rules and hand tools.
- Reassemble units after repairs are made, making adjustments and cleaning and lubricating parts as needed.
- Install appliances such as refrigerators, washing machines, and stoves.
- Assemble new or reconditioned appliances.
- Bill customers for repair work, and collect payment.
- Observe and examine appliances during operation to detect specific malfunctions such as loose parts or leaking fluid.
- Talk to customers or refer to work orders to establish the nature of appliance malfunctions.
- Refer to schematic drawings, product manuals, and troubleshooting guides to diagnose and repair problems.
- Trace electrical circuits, following diagrams, and conduct tests with circuit testers and other equipment to locate shorts and grounds.
- Replace worn and defective parts such as switches, bearings, transmissions, belts, gears, circuit boards, or defective wiring.
- Provide repair cost estimates, and recommend whether appliance repair or replacement is a better choice.
- Disassemble appliances so that problems can be diagnosed and repairs can be made.
- Respond to emergency calls for problems such as gas leaks.
- Service and repair domestic electrical or gas appliances, such as clothes washers, refrigerators, stoves, and dryers.
- Record maintenance and repair work performed on appliances.
- Test and examine gas pipelines and equipment to locate leaks and faulty connections, and to determine the pressure and flow of gas.
- Light and adjust pilot lights on gas stoves, and examine valves and burners for gas leakage and specified flame.
- Instruct customers regarding operation and care of appliances, and provide information such as emergency service numbers.
- Contact supervisors or offices to receive repair assignments.
- Maintain stocks of parts used in on-site installation, maintenance, and repair of appliances.
- Level refrigerators, adjust doors, and connect water lines to water pipes for ice makers and water dispensers, using hand tools.
- Observe and test operation of appliances following installation, and make any initial installation adjustments that are necessary.
- Set appliance thermostats, and check to ensure that they are functioning properly.
- Level washing machines and connect hoses to water pipes, using hand tools.
- Clean and reinstall parts.
- Clean, lubricate, and touch up minor defects on newly installed or repaired appliances.
- Conserve, recover, and recycle refrigerants used in cooling systems.
- Take measurements to determine if appliances will fit in installation locations, performing minor carpentry work when necessary to ensure proper installation.
- Install gas pipes and water lines to connect appliances to existing gas lines or plumbing.
- Measure, cut, and thread pipe, and connect it to feeder lines and equipment or appliances, using rules and hand tools.
- Reassemble units after repairs are made, making adjustments and cleaning and lubricating parts as needed.
- Install appliances such as refrigerators, washing machines, and stoves.
- Assemble new or reconditioned appliances.
- Install fixtures, outlets, terminal boards, switches, and wall boxes, using hand tools.
- Install new fuses, electrical cables, or power sources as required.
- Reassemble and test equipment after repairs.
- Inspect and test electrical systems and equipment to locate and diagnose malfunctions, using visual inspections, testing devices, and computer software.
- Adjust, repair, or replace defective wiring and relays in ignition, lighting, air-conditioning, and safety control systems, using electrician's tools.
- Splice wires with knives or cutting pliers, and solder connections to fixtures, outlets, and equipment.
- Locate and remove or repair circuit defects such as blown fuses or malfunctioning transistors.
- Maintain equipment service records.
- Refer to schematics and manufacturers' specifications that show connections and provide instructions on how to locate problems.
- Cut openings and drill holes for fixtures, outlet boxes, and fuse holders, using electric drills and routers.
- Confer with customers to determine the nature of malfunctions.
- Install electrical equipment such as air-conditioning, heating, or ignition systems and components such as generator brushes and commutators, using hand tools.
- Repair or rebuild equipment such as starters, generators, distributors, or door controls, using electrician's tools.
- Estimate costs of repairs based on parts and labor requirements.
- Measure, cut, and install frameworks and conduit to support and connect wiring, control panels, and junction boxes, using hand tools.
- Install fixtures, outlets, terminal boards, switches, and wall boxes, using hand tools.
- Install new fuses, electrical cables, or power sources as required.
- Reassemble and test equipment after repairs.
- Install, maintain, or repair security systems, alarm devices, or related equipment, following blueprints of electrical layouts and building plans.
- Mount and fasten control panels, door and window contacts, sensors, or video cameras, and attach electrical and telephone wiring to connect components.
- Demonstrate systems for customers and explain details, such as the causes and consequences of false alarms.
- Test and repair circuits and sensors, following wiring and system specifications.
- Feed cables through access holes, roof spaces, or cavity walls to reach fixture outlets, positioning and terminating cables, wires, or strapping.
- Examine systems to locate problems, such as loose connections or broken insulation.
- Test backup batteries, keypad programming, sirens, or other security features to ensure proper functioning or to diagnose malfunctions.
- Drill holes for wiring in wall studs, joists, ceilings, or floors.
- Inspect installation sites and study work orders, building plans, and installation manuals to determine materials requirements and installation procedures.
- Consult with clients to assess risks and to determine security requirements.
- Mount raceways and conduits and fasten wires to wood framing, using staplers.
- Adjust sensitivity of units, based on room structures and manufacturers' recommendations, using programming keypads.
- Keep informed of new products and developments.
- Order replacement parts.
- Prepare documents, such as invoices or warranties.
- Provide customers with cost estimates for equipment installation.
- Install, maintain, or repair security systems, alarm devices, or related equipment, following blueprints of electrical layouts and building plans.
- Mount and fasten control panels, door and window contacts, sensors, or video cameras, and attach electrical and telephone wiring to connect components.
- Assemble and install communication equipment such as data and telephone communication lines, wiring, switching equipment, wiring frames, power apparatus, computer systems, and networks.
- Install telephone station equipment, such as intercommunication systems, transmitters, receivers, relays, and ringers, and related apparatus, such as coin collectors, telephone booths, and switching-key equipment.
- Demonstrate equipment to customers and explain its use, responding to any inquiries or complaints.
- Test circuits and components of malfunctioning telecommunications equipment to isolate sources of malfunctions, using test meters, circuit diagrams, polarity probes, and other hand tools.
- Test repaired, newly installed, or updated equipment to ensure that it functions properly and conforms to specifications, using test equipment and observation.
- Climb poles and ladders, use truck-mounted booms, and enter areas such as manholes and cable vaults to install, maintain, or inspect equipment.
- Run wires between components and to outside cable systems, connecting them to wires from telephone poles or underground cable accesses.
- Test connections to ensure that power supplies are adequate and that communications links function.
- Note differences in wire and cable colors so that work can be performed correctly.
- Inspect equipment on a regular basis to ensure proper functioning.
- Collaborate with other workers to locate and correct malfunctions.
- Remove loose wires and other debris after work is completed.
- Repair or replace faulty equipment, such as defective and damaged telephones, wires, switching system components, and associated equipment.
- Maintain computer and manual records pertaining to facilities and equipment.
- Communicate with bases, using telephones or two-way radios to receive instructions or technical advice, or to report equipment status.
- Remove and remake connections to change circuit layouts, following work orders or diagrams.
- Clean and maintain tools, test equipment, and motor vehicles.
- Perform database verifications, using computers.
- Request support from technical service centers when on-site procedures fail to solve installation or maintenance problems.
- Analyze test readings, computer printouts, and trouble reports to determine equipment repair needs and required repair methods.
- Adjust or modify equipment to enhance equipment performance or to respond to customer requests.
- Remove and replace plug-in circuit equipment.
- Refer to manufacturers' manuals to obtain maintenance instructions pertaining to specific malfunctions.
- Dig holes or trenches as necessary for equipment installation and access.
- Review manufacturer's instructions, manuals, technical specifications, building permits, and ordinances to determine communication equipment requirements and procedures.
- Drive crew trucks to and from work areas.
- Route and connect cables and lines to switches, switchboard equipment, and distributing frames, using wire-wrap guns or soldering irons to connect wires to terminals.
- Designate cables available for use.
- Diagnose and correct problems from remote locations, using special switchboards to find the sources of problems.
- Program computerized switches and switchboards to provide requested features.
- Enter codes needed to correct electronic switching system programming.
- Examine telephone transmission facilities to determine requirements for new or additional telephone services.
- Measure distances from landmarks to identify exact installation sites for equipment.
- Install updated software and programs that maintain existing software or provide requested features, such as time-correlated call routing.
- Perform routine maintenance on equipment, including adjusting and lubricating components and painting worn or exposed areas.
- Determine viability of sites through observation, and discuss site locations and construction requirements with customers.
- Clean switches and replace contact points, using vacuum hoses, solvents, and hand tools.
- Provide input into the design and manufacturing of new equipment.
- Address special issues or situations, such as illegal or unauthorized use of equipment, or cases of electrical or acoustic shock.
- Assemble and install communication equipment such as data and telephone communication lines, wiring, switching equipment, wiring frames, power apparatus, computer systems, and networks.
- Install telephone station equipment, such as intercommunication systems, transmitters, receivers, relays, and ringers, and related apparatus, such as coin collectors, telephone booths, and switching-key equipment.
- Install and repair agricultural irrigation, plumbing, and sprinkler systems.
- Reassemble machines and equipment following repair, testing operation and making adjustments, as necessary.
- Test and replace electrical components and wiring, using test meters, soldering equipment, and hand tools.
- Maintain, repair, and overhaul farm machinery and vehicles, such as tractors, harvesters, and irrigation systems.
- Examine and listen to equipment, read inspection reports, and confer with customers to locate and diagnose malfunctions.
- Record details of repairs made and parts used.
- Dismantle defective machines for repair, using hand tools.
- Clean and lubricate parts.
- Repair or replace defective parts, using hand tools, milling and woodworking machines, lathes, welding equipment, grinders, or saws.
- Tune or overhaul engines.
- Drive trucks to haul tools and equipment for on-site repair of large machinery.
- Fabricate new metal parts, using drill presses, engine lathes, and other machine tools.
- Repair bent or torn sheet metal.
- Calculate bills according to record of repairs made, labor time, and parts used.
- Install and repair agricultural irrigation, plumbing, and sprinkler systems.
- Reassemble machines and equipment following repair, testing operation and making adjustments, as necessary.
- Test and replace electrical components and wiring, using test meters, soldering equipment, and hand tools.
- Install, maintain, and repair electrical distribution and transmission systems, including conduits, cables, wires, and related equipment, such as transformers, circuit breakers, and switches.
- Attach cross-arms, insulators, and auxiliary equipment to poles prior to installing them.
- Install watt-hour meters and connect service drops between power lines and consumers' facilities.
- Adhere to safety practices and procedures, such as checking equipment regularly and erecting barriers around work areas.
- Drive vehicles equipped with tools and materials to job sites.
- Open switches or attach grounding devices to remove electrical hazards from disturbed or fallen lines or to facilitate repairs.
- Climb poles or use truck-mounted buckets to access equipment.
- Inspect and test power lines and auxiliary equipment to locate and identify problems, using reading and testing instruments.
- Coordinate work assignment preparation and completion with other workers.
- Replace or straighten damaged poles.
- String wire conductors and cables between poles, towers, trenches, pylons, and buildings, setting lines in place and using winches to adjust tension.
- Dig holes, using augers, and set poles, using cranes and power equipment.
- Travel in trucks, helicopters, and airplanes to inspect lines for freedom from obstruction and adequacy of insulation.
- Identify defective sectionalizing devices, circuit breakers, fuses, voltage regulators, transformers, switches, relays, or wiring, using wiring diagrams and electrical-testing instruments.
- Test conductors, according to electrical diagrams and specifications, to identify corresponding conductors and to prevent incorrect connections.
- Place insulating or fireproofing materials over conductors and joints.
- Splice or solder cables together or to overhead transmission lines, customer service lines, or street light lines, using hand tools, epoxies, or specialized equipment.
- Trim trees that could be hazardous to the functioning of cables or wires.
- Pull up cable by hand from large reels mounted on trucks.
- Lay underground cable directly in trenches, or string it through conduit running through the trenches.
- Cut trenches for laying underground cables, using trenchers and cable plows.
- Cut and peel lead sheathing and insulation from defective or newly installed cables and conduits prior to splicing.
- Clean, tin, and splice corresponding conductors by twisting ends together or by joining ends with metal clamps and soldering connections.
- Install, maintain, and repair electrical distribution and transmission systems, including conduits, cables, wires, and related equipment, such as transformers, circuit breakers, and switches.
- Attach cross-arms, insulators, and auxiliary equipment to poles prior to installing them.
- Install watt-hour meters and connect service drops between power lines and consumers' facilities.
- Update existing equipment, performing tasks such as installing updated circuit boards or additional memory.
- Reassemble machines after making repairs or replacing parts.
- Assemble machines according to specifications, using hand or power tools and measuring devices.
- Converse with customers to determine details of equipment problems.
- Disassemble machines to examine parts, such as wires, gears, or bearings for wear or defects, using hand or power tools and measuring devices.
- Advise customers concerning equipment operation, maintenance, or programming.
- Align, adjust, or calibrate equipment according to specifications.
- Repair, adjust, or replace electrical or mechanical components or parts, using hand tools, power tools, or soldering or welding equipment.
- Travel to customers' stores or offices to service machines or to provide emergency repair service.
- Maintain parts inventories and order any additional parts needed for repairs.
- Operate machines to test functioning of parts or mechanisms.
- Reinstall software programs or adjust settings on existing software to fix machine malfunctions.
- Clean, oil, or adjust mechanical parts to maintain machines' operating efficiency and to prevent breakdowns.
- Maintain records of equipment maintenance work or repairs.
- Test new systems to ensure that they are in working order.
- Complete repair bills, shop records, time cards, or expense reports.
- Install and configure new equipment, including operating software or peripheral equipment.
- Analyze equipment performance records to assess equipment functioning.
- Read specifications, such as blueprints, charts, or schematics, to determine machine settings or adjustments.
- Test components or circuits of faulty equipment to locate defects, using oscilloscopes, signal generators, ammeters, voltmeters, or special diagnostic software programs.
- Lay cable and hook up electrical connections between machines, power sources, and phone lines.
- Enter information into computers to copy programs from one electronic component to another or to draw, modify, or store schematics.
- Fill machines with toners, inks, or other duplicating fluids.
- Train new repairers.
- Calibrate testing instruments.
- Update existing equipment, performing tasks such as installing updated circuit boards or additional memory.
- Reassemble machines after making repairs or replacing parts.
- Assemble machines according to specifications, using hand or power tools and measuring devices.
- Set in and secure floor treadles for door-activating mechanisms, and connect power packs and electrical panelboards to treadles.
- Wind large springs with upward motion of arm.
- Fasten angle iron back-hangers to ceilings and tracks, using fasteners or welding equipment.
- Adjust doors to open or close with the correct amount of effort, or make simple adjustments to electric openers.
- Carry springs to tops of doors, using ladders or scaffolding, and attach springs to tracks to install spring systems.
- Repair or replace worn or broken door parts, using hand tools.
- Complete required paperwork, such as work orders, according to services performed or required.
- Collect payment upon job completion.
- Install door frames, rails, steel rolling curtains, electronic-eye mechanisms, or electric door openers and closers, using power tools, hand tools, and electronic test equipment.
- Inspect job sites, assessing headroom, side room, or other conditions to determine appropriateness of door for a given location.
- Assemble and fasten tracks to structures or bucks, using impact wrenches or welding equipment.
- Set doors into place or stack hardware sections into openings after rail or track installation.
- Operate lifts, winches, or chain falls to move heavy curtain doors.
- Remove or disassemble defective automatic mechanical door closers, using hand tools.
- Fabricate replacements for worn or broken parts, using welders, lathes, drill presses, or shaping or milling machines.
- Prepare doors for hardware installation, such as drilling holes to install locks.
- Run low voltage wiring on ceiling surfaces, using insulated staples.
- Cut door stops or angle irons to fit openings.
- Study blueprints and schematic diagrams to determine appropriate methods of installing or repairing automated door openers.
- Install dock seals, bumpers, or shelters.
- Order replacement springs, sections, or slats.
- Lubricate door closer oil chambers, and pack spindles with leather washers.
- Cover treadles with carpeting or other floor covering materials, and test systems by operating treadles.
- Bore or cut holes in flooring as required for installation, using hand or power tools.
- Clean door closer parts, using caustic soda, rotary brushes, or grinding wheels.
- Set in and secure floor treadles for door-activating mechanisms, and connect power packs and electrical panelboards to treadles.
- Wind large springs with upward motion of arm.
- Fasten angle iron back-hangers to ceilings and tracks, using fasteners or welding equipment.
- Assemble, install, or repair wiring, electrical or electronic components, pipe systems, plumbing, machinery, or equipment.
- Perform routine maintenance on boilers, such as replacing burners or hoses, installing replacement parts, or reinforcing structural weaknesses to ensure optimal boiler efficiency.
- Assemble boilers at installation sites, using tools such as levels, plumb bobs, hammers, torches, or other hand tools.
- Perform routine maintenance, such as inspecting drives, motors, or belts, checking fluid levels, replacing filters, or doing other preventive maintenance actions.
- Inspect, operate, or test machinery or equipment to diagnose machine malfunctions.
- Adjust functional parts of devices or control instruments, using hand tools, levels, plumb bobs, or straightedges.
- Repair machines, equipment, or structures, using tools such as hammers, hoists, saws, drills, wrenches, or equipment such as precision measuring instruments or electrical or electronic testing devices.
- Order parts, supplies, or equipment from catalogs or suppliers.
- Diagnose mechanical problems and determine how to correct them, checking blueprints, repair manuals, or parts catalogs, as necessary.
- Design new equipment to aid in the repair or maintenance of machines, mechanical equipment, or building structures.
- Clean or lubricate shafts, bearings, gears, or other parts of machinery.
- Estimate costs to repair machinery, equipment, or building structures.
- Align and balance new equipment after installation.
- Record type and cost of maintenance or repair work.
- Maintain or repair specialized equipment or machinery located in cafeterias, laundries, hospitals, stores, offices, or factories.
- Dismantle machines, equipment, or devices to access and remove defective parts, using hoists, cranes, hand tools, or power tools.
- Plan and lay out repair work, using diagrams, drawings, blueprints, maintenance manuals, or schematic diagrams.
- Install equipment to improve the energy or operational efficiency of residential or commercial buildings.
- Set up and operate machine tools to repair or fabricate machine parts, jigs, fixtures, or tools.
- Perform general cleaning of buildings or properties.
- Train or manage maintenance personnel or subcontractors.
- Fabricate or repair counters, benches, partitions, or other wooden structures, such as sheds or outbuildings.
- Paint or repair roofs, windows, doors, floors, woodwork, plaster, drywall, or other parts of building structures.
- Provide groundskeeping services, such as landscaping or snow removal.
- Operate cutting torches or welding equipment to cut or join metal parts.
- Inspect used parts to determine changes in dimensional requirements, using rules, calipers, micrometers, or other measuring instruments.
- Position, attach, or blow insulating materials to prevent energy losses from buildings, pipes, or other structures or objects.
- Use drones for inspecting roofs, gutters, and other hard-to-reach areas of buildings.
- Assemble, install, or repair wiring, electrical or electronic components, pipe systems, plumbing, machinery, or equipment.
- Perform routine maintenance on boilers, such as replacing burners or hoses, installing replacement parts, or reinforcing structural weaknesses to ensure optimal boiler efficiency.
- Assemble boilers at installation sites, using tools such as levels, plumb bobs, hammers, torches, or other hand tools.
- Install, inspect and test electric meters, relays, and power sources to detect causes of malfunctions and inaccuracies, using hand tools and testing equipment.
- Install regulators and related equipment such as gas meters, odorization units, and gas pressure telemetering equipment.
- Mount and install meters and other electric equipment such as time clocks, transformers, and circuit breakers, using electricians' hand tools.
- Record maintenance information, including test results, material usage, and repairs made.
- Disassemble and repair mechanical control devices or valves, such as regulators, thermostats, or hydrants, using power tools, hand tools, and cutting torches.
- Lubricate wearing surfaces of mechanical parts, using oils or other lubricants.
- Calibrate instrumentation, such as meters, gauges, and regulators, for pressure, temperature, flow, and level.
- Test valves and regulators for leaks and accurate temperature and pressure settings, using precision testing equipment.
- Record meter readings and installation data on meter cards, work orders, or field service orders, or enter data into hand-held computers.
- Turn meters on or off to establish or close service.
- Shut off service and notify repair crews when major repairs are required, such as the replacement of underground pipes or wiring.
- Cut seats to receive new orifices, tap inspection ports, and perform other repairs to salvage usable materials, using hand tools and machine tools.
- Turn valves to allow measured amounts of air or gas to pass through meters at specified flow rates.
- Report hazardous field situations and damaged or missing meters.
- Vary air pressure flowing into regulators and turn handles to assess functioning of valves and pistons.
- Examine valves or mechanical control device parts for defects, dents, or loose attachments, and mark malfunctioning areas of defective units.
- Connect regulators to test stands, and turn screw adjustments until gauges indicate that inlet and outlet pressures meet specifications.
- Investigate instances of illegal tapping into service lines.
- Trace and tag meters or house lines.
- Repair electric meters and components, such as transformers and relays, and replace metering devices, dial glasses, and faulty or incorrect wiring, using hand tools.
- Replace defective parts, such as bellows, range springs, and toggle switches, and reassemble units according to blueprints, using cam presses and hand tools.
- Measure tolerances of assembled and salvageable parts for conformance to standards or specifications, using gauges, micrometers, and calipers.
- Clean internal compartments and moving parts, using rags and cleaning compounds.
- Dismantle meters, and replace or adjust defective parts such as cases, shafts, gears, disks, and recording mechanisms, using soldering irons and hand tools.
- Disconnect or remove defective or unauthorized meters, using hand tools.
- Attach air hoses to meter inlets, plug outlets, and observe gauges for pressure losses to test internal seams for leaks.
- Make adjustments to meter components, such as setscrews or timing mechanisms, so that they conform to specifications.
- Repair leaks in valve seats or bellows of automotive heater thermostats, using soft solder, flux, and acetylene torches.
- Splice and connect cables from meters or current transformers to pull boxes or switchboards, using hand tools.
- Advise customers on proper installation of valves or regulators and related equipment.
- Clean plant growth, scale, paint, soil, or rust from meter housings, using wire brushes, scrapers, buffers, sandblasters, or cleaning compounds.
- Connect hoses from provers to meter inlets and outlets, and raise prover bells until prover gauges register zero.
- Install, inspect and test electric meters, relays, and power sources to detect causes of malfunctions and inaccuracies, using hand tools and testing equipment.
- Install regulators and related equipment such as gas meters, odorization units, and gas pressure telemetering equipment.
- Mount and install meters and other electric equipment such as time clocks, transformers, and circuit breakers, using electricians' hand tools.
- Install electrical assemblies and wiring in aircraft camera housings and memory cards or film in cameras, following blueprints and using hand tools and soldering equipment.
- Assemble aircraft cameras, still or motion picture cameras, photographic equipment, or frames, using diagrams, blueprints, bench machines, hand tools, or power tools.
- Adjust cameras, photographic mechanisms, or equipment such as range and view finders, shutters, light meters, or lens systems, using hand tools.
- Disassemble equipment to gain access to defect, using hand tools.
- Test equipment performance, focus of lens system, diaphragm alignment, lens mounts, or film transport, using precision gauges.
- Clean and lubricate cameras and polish camera lenses, using cleaning materials and work aids.
- Requisition parts or materials.
- Calibrate and verify accuracy of light meters, shutter diaphragm operation, or lens carriers, using timing instruments.
- Examine cameras, equipment, processed film, or laboratory reports to diagnose malfunction, using work aids and specifications.
- Read and interpret engineering drawings, diagrams, instructions, or specifications to determine needed repairs, fabrication method, and operation sequence.
- Measure parts to verify specified dimensions or settings, such as camera shutter speed or light meter reading accuracy, using measuring instruments.
- Fabricate or modify defective electronic, electrical, or mechanical components, using bench lathe, milling machine, shaper, grinder, or precision hand tools, according to specifications.
- Record test data and document fabrication techniques on reports.
- Lay out reference points and dimensions on parts or metal stock to be machined, using precision measuring instruments.
- Recommend design changes or upgrades of microfilming, film-developing, or photographic equipment.
- Repair and calibrate drone cameras and equipment for aerial photography and videography.
- Install electrical assemblies and wiring in aircraft camera housings and memory cards or film in cameras, following blueprints and using hand tools and soldering equipment.
- Assemble aircraft cameras, still or motion picture cameras, photographic equipment, or frames, using diagrams, blueprints, bench machines, hand tools, or power tools.
- Assemble electrical parts such as alternators, generators, starting devices, and switches, following schematic drawings and using hand, machine, and power tools.
- Reassemble repaired electric motors to specified requirements and ratings, using hand tools and electrical meters.
- Inspect and test equipment to locate damage or worn parts and diagnose malfunctions, or read work orders or schematic drawings to determine required repairs.
- Measure velocity, horsepower, revolutions per minute (rpm), amperage, circuitry, and voltage of units or parts to diagnose problems, using ammeters, voltmeters, wattmeters, and other testing devices.
- Repair and rebuild defective mechanical parts in electric motors, generators, and related equipment, using hand tools and power tools.
- Lift units or parts such as motors or generators, using cranes or chain hoists, or signal crane operators to lift heavy parts or subassemblies.
- Record repairs required, parts used, and labor time.
- Disassemble defective equipment so that repairs can be made, using hand tools.
- Adjust working parts, such as fan belts, contacts, and springs, using hand tools and gauges.
- Lubricate moving parts.
- Read service guides to find information needed to perform repairs.
- Inspect electrical connections, wiring, relays, charging resistance boxes, and storage batteries, following wiring diagrams.
- Scrape and clean units or parts, using cleaning solvents and equipment such as buffing wheels.
- Weld, braze, or solder electrical connections.
- Verify and adjust alignments and dimensions of parts, using gauges and tracing lathes.
- Steam-clean polishing and buffing wheels to remove abrasives and bonding materials, and spray, brush, or recoat surfaces as necessary.
- Set machinery for proper performance, using computers.
- Test equipment for overheating, using speed gauges and thermometers.
- Reface, ream, and polish commutators and machine parts to specified tolerances, using machine tools.
- Maintain stocks of parts.
- Cut and form insulation, and insert insulation into armature, rotor, or stator slots.
- Solder, wrap, and coat wires to ensure proper insulation.
- Rewire electrical systems, and repair or replace electrical accessories.
- Clean cells, cell assemblies, glassware, leads, electrical connections, and battery poles, using scrapers, steam, water, emery cloths, power grinders, or acid.
- Rewind coils on cores in slots, or make replacement coils, using coil-winding machines.
- Remove and replace defective parts such as coil leads, carbon brushes, and wires, using soldering equipment.
- Hammer out dents and twists in tools and equipment.
- Seal joints with putty, mortar, and asbestos, using putty extruders and knives.
- Repair and operate battery-charging equipment.
- Sharpen tools such as saws, picks, shovels, screwdrivers, and scoops, either manually or by using bench grinders and emery wheels.
- Test battery charges, and replace or recharge batteries as necessary.
- Assemble electrical parts such as alternators, generators, starting devices, and switches, following schematic drawings and using hand, machine, and power tools.
- Reassemble repaired electric motors to specified requirements and ratings, using hand tools and electrical meters.
- Install alarm and electronic access systems.
- Cut new or duplicate keys, using impressions or code key machines.
- Insert new or repaired tumblers into locks to change combinations.
- Move picklocks in cylinders to open door locks without keys.
- Cut new or duplicate keys, using key cutting machines.
- Open safe locks by drilling.
- Set up and maintain master key systems.
- Install door hardware, such as locks and closers.
- Keep records of company locks and keys.
- Disassemble mechanical or electrical locking devices, and repair or replace worn tumblers, springs, and other parts, using hand tools.
- Repair and adjust safes, vault doors, and vault components, using hand tools, lathes, drill presses, and welding and acetylene cutting apparatus.
- Install safes, vault doors, and deposit boxes according to blueprints, using equipment such as power drills, taps, dies, truck cranes, and dollies.
- Unlock cars and other vehicles.
- Remove interior and exterior finishes on safes and vaults, and spray on new finishes.
- Read blueprints and project specification manuals to recommend appropriate hardware and electronic locking devices.
- Install alarm and electronic access systems.
- Install electrical cables or wire fixtures.
- Assess safety of wiring or equipment set-up to determine the risk of fire or electrical shock.
- Consult with lighting director or production staff to determine lighting requirements.
- Disassemble and store equipment after performances.
- Install color effects or image patterns, such as color filters, onto lighting fixtures.
- Load, unload, or position lighting equipment.
- Match light fixture settings, such as brightness and color, to lighting design plans.
- Notify supervisors when major lighting equipment repairs are needed.
- Operate manual or automated systems to control lighting throughout productions.
- Patch or wire lights to dimmers or other electronic consoles.
- Perform minor repairs or routine maintenance on lighting equipment, such as replacing lamps or damaged color filters.
- Program lighting consoles or load automated lighting control systems onto consoles.
- Set up and focus light fixtures to meet requirements of television, theater, concerts, or other productions.
- Set up scaffolding or cranes to assist with setting up of lighting equipment.
- Test lighting equipment function and desired lighting effects.
- Visit and assess structural and electrical layout of locations before setting up lighting equipment.
- Install electrical cables or wire fixtures.
- Insert sealing strips, wiring, insulating material, ladders, flanges, gauges, or valves, depending on types of structures being assembled.
- Read specifications or blueprints to determine the locations, quantities, or sizes of materials required.
- Connect columns, beams, and girders with bolts, following blueprints and instructions from supervisors.
- Bolt aligned structural steel members in position for permanent riveting, bolting, or welding into place.
- Fasten structural steel members to hoist cables, using chains, cables, or rope.
- Hoist steel beams, girders, or columns into place, using cranes or signaling hoisting equipment operators to lift and position structural steel members.
- Verify vertical and horizontal alignment of structural steel members, using plumb bobs, laser equipment, transits, or levels.
- Cut, bend, or weld steel pieces, using metal shears, torches, or welding equipment.
- Erect metal or precast concrete components for structures, such as buildings, bridges, dams, towers, storage tanks, fences, or highway guard rails.
- Force structural steel members into final positions, using turnbuckles, crowbars, jacks, or hand tools.
- Pull, push, or pry structural steel members into approximate positions for bolting into place.
- Unload and position prefabricated steel units for hoisting, as needed.
- Drive drift pins through rivet holes to align rivet holes in structural steel members with corresponding holes in previously placed members.
- Assemble hoisting equipment or rigging, such as cables, pulleys, or hooks, to move heavy equipment or materials.
- Fabricate metal parts, such as steel frames, columns, beams, or girders, according to blueprints or instructions from supervisors.
- Dismantle structures or equipment.
- Ride on girders or other structural steel members to position them, or use rope to guide them into position.
- Hold rivets while riveters use air hammers to form heads on rivets.
- Place blocks under reinforcing bars used to reinforce floors.
- Insert sealing strips, wiring, insulating material, ladders, flanges, gauges, or valves, depending on types of structures being assembled.
- Install repaired equipment in various settings, such as industrial or military establishments.
- Test faulty equipment to diagnose malfunctions, using test equipment or software, and applying knowledge of the functional operation of electronic units and systems.
- Maintain equipment logs that record performance problems, repairs, calibrations, or tests.
- Set up and test industrial equipment to ensure that it functions properly.
- Inspect components of industrial equipment for accurate assembly and installation or for defects, such as loose connections or frayed wires.
- Operate equipment to demonstrate proper use or to analyze malfunctions.
- Enter information into computer to copy program or to draw, modify, or store schematics, applying knowledge of software package used.
- Perform scheduled preventive maintenance tasks, such as checking, cleaning, or repairing equipment, to detect and prevent problems.
- Calibrate testing instruments and installed or repaired equipment to prescribed specifications.
- Repair or adjust equipment, machines, or defective components, replacing worn parts, such as gaskets or seals in watertight electrical equipment.
- Consult with customers, supervisors, or engineers to plan layout of equipment or to resolve problems in system operation or maintenance.
- Maintain inventory of spare parts.
- Study blueprints, schematics, manuals, or other specifications to determine installation procedures.
- Examine work orders and converse with equipment operators to detect equipment problems and to ascertain whether mechanical or human errors contributed to the problems.
- Coordinate efforts with other workers involved in installing or maintaining equipment or components.
- Develop or modify industrial electronic devices, circuits, or equipment, according to available specifications.
- Determine feasibility of using standardized equipment or develop specifications for equipment required to perform additional functions.
- Advise management regarding customer satisfaction, product performance, or suggestions for product improvements.
- Send defective units to the manufacturer or to a specialized repair shop for repair.
- Sign overhaul documents for equipment replaced or repaired.
- Install repaired equipment in various settings, such as industrial or military establishments.
- Install, inspect, clean, or repair piping or valves.
- Take appropriate safety precautions, such as monitoring dive lengths and depths and registering with authorities before diving expeditions begin.
- Check and maintain diving equipment, such as helmets, masks, air tanks, harnesses, or gauges.
- Communicate with workers on the surface while underwater, using signal lines or telephones.
- Descend into water with the aid of diver helpers, using scuba gear or diving suits.
- Obtain information about diving tasks and environmental conditions.
- Supervise or train other divers, including hobby divers.
- Inspect the condition of underwater steel or wood structures.
- Inspect and test docks, ships, buoyage systems, plant intakes or outflows, or underwater pipelines, cables, or sewers, using closed circuit television, still photography, and testing equipment.
- Repair ships, bridge foundations, or other structures below the water line, using caulk, bolts, and hand tools.
- Recover objects by placing rigging around sunken objects, hooking rigging to crane lines, and operating winches, derricks, or cranes to raise objects.
- Operate underwater video, sonar, recording, or related equipment to investigate underwater structures or marine life.
- Take test samples or photographs to assess the condition of vessels or structures.
- Cut and weld steel, using underwater welding equipment, jigs, and supports.
- Carry out non-destructive testing, such as tests for cracks on the legs of oil rigs at sea.
- Install pilings or footings for piers or bridges.
- Salvage wrecked ships or their cargo, using pneumatic power velocity and hydraulic tools and explosive charges, when necessary.
- Remove obstructions from strainers or marine railway or launching ways, using pneumatic or power hand tools.
- Set or guide placement of pilings or sandbags to provide support for structures, such as docks, bridges, cofferdams, or platforms.
- Perform activities related to underwater search and rescue, salvage, recovery, or cleanup operations.
- Perform offshore oil or gas exploration or extraction duties, such as conducting underwater surveys or repairing and maintaining drilling rigs or platforms.
- Drill holes in rock and rig explosives for underwater demolitions.
- Remove rubbish or pollution from the sea.
- Install, inspect, clean, or repair piping or valves.
- Dig trenches for system piping to appropriate depths and lay piping in trenches.
- Monitor and adjust operations of geothermal power plant equipment or systems.
- Prepare and maintain logs, reports, or other documentation of work performed.
- Identify and correct malfunctions of geothermal plant equipment, electrical systems, instrumentation, or controls.
- Collect and record data associated with operating geothermal power plants or well fields.
- Determine whether emergency or auxiliary systems will be needed to keep properties heated or cooled in extreme weather conditions.
- Perform pre- and post-installation pressure, flow, and related tests of vertical and horizontal geothermal loop piping.
- Identify equipment options, such as compressors, and make appropriate selections.
- Adjust power production systems to meet load and distribution demands.
- Maintain electrical switchgear, process controls, transmitters, gauges, and control equipment in accordance with geothermal plant procedures.
- Calculate heat loss and heat gain factors for residential properties to determine heating and cooling required by installed geothermal systems.
- Maintain, calibrate, or repair plant instrumentation, control, and electronic devices in geothermal plants.
- Install and maintain geothermal plant electrical protection equipment.
- Design and lay out geothermal heat systems according to property characteristics, heating and cooling requirements, piping and equipment requirements, applicable regulations, or other factors.
- Install and maintain geothermal system instrumentation or controls.
- Prepare newly installed geothermal heat systems for operation by flushing, purging, or other actions.
- Weld piping, such as high density polyethylene (HDPE) piping, using techniques such as butt, socket, side-wall, and electro-fusion welding.
- Test water sources for factors, such as flow volume and contaminant presence.
- Install, maintain, or repair ground or water source-coupled heat pumps to heat and cool residential or commercial building air or water.
- Integrate hot water heater systems with geothermal heat exchange systems.
- Determine the type of geothermal loop system most suitable to a specific property and its heating and cooling needs.
- Apply coatings or operate systems to mitigate corrosion of geothermal plant equipment or structures.
- Backfill piping trenches to protect pipes from damage.
- Operate equipment, such as excavators, backhoes, rock hammers, trench compactors, pavement saws, grout mixers or pumps, geothermal loop reels, and coil tubing units (CTU).
- Dig trenches for system piping to appropriate depths and lay piping in trenches.
- Handle high voltage sources and hang electrical cables.
- Drive loaded shuttle cars to ramps and move controls to discharge loads into mine cars or onto conveyors.
- Pry off loose material from roofs and move it into the paths of machines, using crowbars.
- Move trailing electrical cables clear of obstructions, using rubber safety gloves.
- Control conveyors that run the entire length of shuttle cars to distribute loads as loading progresses.
- Observe hand signals, grade stakes, or other markings when operating machines.
- Examine roadway and clear obstructions from the path of travel.
- Drive machines into piles of material blasted from working faces.
- Operate levers to move conveyor booms or shovels so that mine contents such as coal, rock, and ore can be placed into cars or onto conveyors.
- Clean, fuel, service, and perform safety checks on all equipment, and repair and replace parts as necessary.
- Clean hoppers, and clean spillage from tracks, walks, driveways, and conveyor decking.
- Oil, lubricate, and adjust conveyors, crushers, and other equipment, using hand tools and lubricating equipment.
- Monitor loading processes to ensure that materials are loaded according to specifications.
- Measure, weigh, or verify levels of rock, gravel, or other excavated material to prevent equipment overloads.
- Replace hydraulic hoses, headlight bulbs, and gathering-arm teeth.
- Stop gathering arms when cars are full.
- Move mine cars into position for loading and unloading, using pinchbars inserted under car wheels to position cars under loading spouts.
- Advance machines to gather material and convey it into cars.
- Signal workers to move loaded cars.
- Guide and stop cars by switching, applying brakes, or placing scotches, or wooden wedges, between wheels and rails.
- Observe and record car numbers, carriers, customers, tonnages, and grades and conditions of material.
- Read written instructions or confer with supervisors about schedules and materials to be moved.
- Maintain records of materials moved.
- Direct other workers to move stakes, place blocks, position anchors or cables, or move materials.
- Push or ride cars down slopes, or hook cars to cables and control cable drum brakes, to ease cars down inclines.
- Handle high voltage sources and hang electrical cables.
- Install module array interconnect wiring, implementing measures to disable arrays during installation.
- Install photovoltaic (PV) systems in accordance with codes and standards, using drawings, schematics, and instructions.
- Check electrical installation for proper wiring, polarity, grounding, or integrity of terminations.
- Identify electrical, environmental, and safety hazards associated with photovoltaic (PV) installations.
- Identify installation locations with proper orientation, area, solar access, or structural integrity for photovoltaic (PV) arrays.
- Assemble solar modules, panels, or support structures, as specified.
- Apply weather sealing to array, building, or support mechanisms.
- Install required labels on solar system components and hardware.
- Diagram layouts and locations for photovoltaic (PV) arrays and equipment, including existing building or site features.
- Determine materials, equipment, and installation sequences necessary to maximize installation efficiency.
- Test operating voltages to ensure operation within acceptable limits for power conditioning equipment, such as inverters and controllers.
- Determine appropriate sizes, ratings, and locations for all system overcurrent devices, disconnect devices, grounding equipment, and surge suppression equipment.
- Activate photovoltaic (PV) systems to verify system functionality and conformity to performance expectations.
- Identify and resolve any deficiencies in photovoltaic (PV) system installation or materials.
- Visually inspect and test photovoltaic (PV) modules or systems.
- Examine designs to determine current requirements for all parts of the photovoltaic (PV) system electrical circuit.
- Demonstrate system functionality and performance, including start-up, shut-down, normal operation, and emergency or bypass operations.
- Identify methods for laying out, orienting, and mounting modules or arrays to ensure efficient installation, electrical configuration, or system maintenance.
- Measure and analyze system performance and operating parameters to assess operating condition of systems or equipment.
- Program, adjust, or configure inverters and controls for desired set points and operating modes.
- Determine connection interfaces for additional subpanels or for connecting photovoltaic (PV) systems with utility services or other power generation sources.
- Determine photovoltaic (PV) system designs or configurations based on factors such as customer needs, expectations, and site conditions.
- Select mechanical designs, installation equipment, or installation plans that conform to environmental, architectural, structural, site, and code requirements.
- Perform routine photovoltaic (PV) system maintenance on modules, arrays, batteries, power conditioning equipment, safety systems, structural systems, weather sealing, or balance of systems equipment.
- Compile or maintain records of system operation, performance, and maintenance.
- Install active solar systems, including solar collectors, concentrators, pumps, or fans.
- Install module array interconnect wiring, implementing measures to disable arrays during installation.
