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 ...

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.

When swapping out a replacement motor, it’s tempting to unbolt the J-box (junction box/terminal box/ T-box) from the motor and leave it attached to the conduit. The problem with doing so is that the ...