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 can’t find lighting for over my oval dining table. The junction box is 16 inches off the side of the table and can’t be moved because the ceiling is concrete. A: Yes, you do have a bit of the ...

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.