Electrical 101 - Electrical information for the home and office including switches, outlets & plugs, ballasts, troubleshooting, light bulbs, basic electricity.

Basic electricity including electrical definitions, ohm's law, and electrical circuit information including direct and alternating current.

Electrical definitions including circuit, conductor, ampacity, kilowatt, load, nominal voltage, ohms, power, resistance, watts, and more.

Electrical switches are used to control power to a load. Find out more about how they work including switch diagrams.

Sometimes power may be lost to a light fixture, outlet, appliance, or electronics. Other times a circuit breaker, GFCI or AFCI will trip for some unknown reason. In this section we will try to …

Line is usually connected to the white wire, and black electrical tape is wrapped around it. Black tape is also wrapped around the white wires of other NM cables that connect to it. The black …

Electrical 101 miscellaneous articles including how to rewire a lamp, ceiling fans, electrical questions, etc.

Residential electric ranges, electric dryers and central air conditioners usually need 240 volts to operate. 240 volts is achieved when combining two sources of 120 volts of different phases (A …

Electrical outlet is a very common name for a receptacle. Many home improvement stores use the term “electrical outlet” when referring to a receptacle.

Information about fluorescent ballasts including description, wiring diagrams, and ballast installation including a video.