Why 1/2-inch-deep metal pancake boxes may not have sufficient fill capacity to... More
A client wants to install LED light fixtures in his closets, but my local code... More
Q: I know that knob-and-tube wiring can't be covered with insulation, but what about BX cable and joist-mounted junction boxes? Are there any restrictions on blowing cellulose insulation into an attic and burying the cable and junction boxes? More
Q: Is it possible to properly bond an electrical subpanel without running four-wire SER cable to it from the service-entrance panel? Some electricians have told me that under certain circumstances the subpanel can have its own ground wire and rod, while o More
From the editor; permeance of foam in unvented attics; electrical red flag; immigration More
Q. As a building inspector, I understand Article 250 of the most recent National Electrical Code (2005 NEC) to mean that any potential grounding electrodes available to each electrical service must be bonded together into that service's grounding electrod More
Expanded AFCI requirements; trenching turns deadly in Southern California; nicad... More
Q: Can a fan/light/heater unit be placed on the same circuit as the bathroom's required 20-amp receptacles, or does it require its own separate circuit? More
Upgrading service equipment increases safety and load capacity while bringing the... More
Q: The proposed location for my client's new detached garage is right on top of a buried service-entrance cable. The electric meter is mounted on a pedestal about 100 feet from the house, and a conduit runs to the house through the area where the garage — More
