Wires aren't the only components you need to worry about when calculating box fill. You also need to consider the volume of any conductors, clamps, support fittings, devices, equipment, and grounding ...
To figure out how many wires you can put into the electrical box, first you need to count up all the components. Each item in an electrical box counts as a different number of wires. Each insulated ...
All questions and answers are based on the 2014 NEC. Q. What are the NEC requirements for sizing boxes for conductor fill? A. Boxes containing 6 AWG and smaller conductors must be sized in an approved ...