If you need a single-gang to 4-in. square steel box extender like the one we used, you may have to special-order it or pick it up at an electrical supplier. Also, match the wire gauge to your circuit.

Boxes have to be a certain minimum size to contain the wires. A 16-cu.-in. box is adequate for all the wiring configurations we show here.

It utilizes a combination of diagrams prepared by product engineering and service groups. Engineering is responsible 1) for developing a functional schematic diagram to explain the operation, function ...

Chapter 5 of the 2011 National Electrical Code (NEC), which focuses on special occupancies, is made up of 28 Articles, all of which focus on electrical environments that are considerably more ...

Test your knowledge of the NEC.Mike Holt is the owner of Mike Holt Enterprises (www.MikeHolt.com), one of the largest electrical publishers in the United States. He earned a master's degree in the ...