Electrical boxes being buried in insulation aren't specifically discussed in the NEC, so I turned to my second book, Electrical Inspections of Existing Dwellings, courtesy of the same folks at Code ...

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: What is Romex wire? The person who inspected the house I’m selling will not return my calls to explain where the wires are located and why they have to be protected. A: A professional home ...

According to a bulletin recently released by NEMA, a report from the University of Toronto in 1985 illustrates the potential heating effects of Type NM-B Cable when encased in spray foam insulation.

Electrical insulation is the cornerstone of high voltage system reliability, serving to impede undesirable current flow and thereby prevent catastrophic failures. Integral to the performance of ...