One of the most important electrical terms to know is AC. Ever since the Tesla-Westinghouse power plant at Niagara Falls came ...

Q: When I plugged my cell phone charger into a kitchen outlet, my phone didn’t start charging as it normally does—rather, it seemed that this one electrical outlet was not working. Is there something ...

Article 210 contains the requirements for conductor sizing, conductor identification, overcurrent protection, and GFCI and AFCI protection of branch circuits. It also contains requirements for ...

A branch circuit consists of the conductors between the final overcurrent protection device (OCPD) and the point of use outlets [Art. 100] (Fig. 1). Article 210 ...

I see techs in the field get the most frustrated when they have a low-voltage short they can’t seem to locate. The challenge techs face with low voltage diagnosis is a combination of poor process and ...

Imagine you're relaxing in your living room — the lights are on, the TV is streaming your current favorite show, the air ...

Here is some advice on common electrical problems that may not necessarily need professional help. But we’re here when you need us. No one is happy when a plumber arrives at your home and takes two ...

Electrical fires account for almost 50,000 house fires annually, according to the National Fire Protection Association (NFPA), costing over 400 lives and $1.4 billion in property damage. Fortunately, ...

Aside from a dead battery or faulty charging system, the most common electrical issues owners are likely to experience are burned-out light bulbs. After bulbs, though, it’s likely potluck: Electrical ...

When something goes wrong with a car's electrical system, it can be so frustrating and infuriating to diagnose that we sometimes just throw up our hands and blame the gremlins lurking in those ...