The humble junction box might not be what you think of when you think of your home's electricity, and you might even wonder ...

2 inches = 20 inches How can you prevent junction box and handhole enclosure sizing errors on your electrical projects? One of the most common mistakes is to calculate for the wrong wall of the box.

Conductor damage during installation is one consequence of under sizing junction and pull boxes ... as a National Electrical Code (NEC) expert by working his way up through the electrical trade.

A: It is important to cover an electrical junction ... the wires inside an approved junction box with an approved cover would almost instantly burn in two and act as a fuse to stop the flow ...