Note: This article is based on the 2005 NEC. The sizing requirements for pull boxes, junction boxes, handhole enclosures, and conduit bodies exist to prevent conductor insulation damage. Those ...

We may receive a commission on purchases made from links. When you think of your home's electricity, what comes to mind? Probably light fixtures, switches, and outlets. You may even know how a GFCI ...

Conductor damage during installation is one consequence of under sizing junction and pull boxes. This damage is often not apparent until post-installation cable testing. Then, after the boxes are ...

When you open a wall expecting a quick electrical tweak, the junction box is often the detail that quietly turns a simple job into a sprawling repair. A box that is the wrong size, buried behind ...