Use a screwdriver to punch out a knockout plug at the back of the existing box. Feed a length of 14-gauge NM (non-metallic) cable, commonly referred to as Romex. If you have a 20-amp circuit, you ...

How to Install Overhead Electrical Outlets. For each overhead electrical outlet you’ll need: A metal electrical box A metal box cover with a center knock-out A strain-relief cord connector ...

One of the most common Truth-in-Housing repair items is an unfilled opening in an electrical box or panelboard. If you walk through the garage or basement of just about any old Minneapolis or ...