Green, green with yellow stripes and bare wires (wires without an insulated covering) in electrical boxes are “ground” wires, ...

When wiring a circuit breaker, does the Code require supply conductors to terminate to the top (line side) of the breaker? All questions and answers are based on the 2005 NEC. Q. When wiring a circuit ...

Easy to create and hard to detect, ground loops can only be prevented through proactive design and strict NEC compliance.