How do you tell your old wiring gauge? Here’s a simple visual using your pocket change. An electrical cable is ... and communications cable for whole-house audio systems. It’s approved for ...

Inside many old homes in the Bay Area is an outdated electrical system called knob and tube, and insurance companies now see ...

However, an old form of electrical wiring known as knob and tube has become ... paying $30,000 to change the knob-and-tube just so her house can be sellable. “I have insurance companies that ...