The Best 3 Sets Of Wires Light Fixture References. A hot (black) wire, a neutral (white) wire and a ground (copper) wire. If you think this is overkill for an extension cord, you're right.
Web take a few minutes to look at table 400.4. Web when you have several light sockets in your light fixture, you multiply the number of electrical wires that will need to be connected to a power source. Web tuck them all into the box.
