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 ...

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 ...

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 ...

Q: I had some wiring work in my attic, and where the wires come together the electrician left the covers off several of the boxes. I then had insulation added to the attic, and they placed flexible ...

The harsh industrial environments and hazardous areas, such as those in the oil and gas industry, place extreme demands on the safety, the robustness and quality of electrical products and devices.