Electricians install, maintain and repair wiring, electrical equipment and fixtures. They insure that wiring installation is in accordance with relevant codes. It may be necessary for electricians to read blueprints. They measure, cut, bend, thread, assemble and install electrical conduit. They pull wires through conduit and splice wires by stripping insulation from terminal leads and twisting or soldering. There are many kinds of electricians with different requirements for each to be licensed.