In electrical work, installation requirements can be found in a variety of codes such as building, fire/life safety, or energy. Although trade specialists (such as electricians) may be experts in ...

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 ...

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 ...

Advances in photovoltaic technology are closely related to improvements in module efficiency. As a result of intense market competition, module current has increased significantly over recent years.

You should always buy the best electrical boxes for your DIY wiring projects. Metal models are generally more expensive than plastic, and if you ask four electricians whether the former are better ...