Black Wires First on the electrical wire color code is black. “Black wires are most used as ‘hot’ wires in residential systems,” says master electrician Allyson Saling with Frontdoor home services app ...

Wiring problems and mistakes are all too common ... but they’re much less common. WHITE = NEUTRAL. Neutral wires carry the current back to the panel, completing the circuit.

Inside many old homes in the Bay Area is an outdated electrical system called knob and tube, and insurance companies now see ...

"Knob and Tube" refers to a type of wiring commonly used from the late 1800’s until the 1940’s. At the time it was cost effective and appropriate for the electrical systems of most homes. It is still ...