Electrical History & Basics

They're only useful if you know what they mean.

Oxidization of wires can impair their conductivity.

Is it a good fit for your electric personality?

Receptacle testers tell you what's going on with an outlet.

You know where it is, and maybe sort of what it does.

The main difference is that one has a neutral wire.

Understanding your wiring color codes is critical.

An essential component of your home's wiring.

Light sensors are a valuable safety and convenience feature.

Send power in two directions with the same switch.

They're not interchangeable.

They're two of the most popular, and they're very different.

Electrical tape is a handy tool, but only when it’s used correctly. Have you been using the right way all this time?

The hues define specific circuitry.

A short circuit can occur for a variety of reasons. When one happens, it should be attended quickly,

Polarized plugs work as a safety mechanism to prevent shock.

Get twice as much out of an outlet by installing a double.

Armored cable is an electrical wiring solution.

Armored cables are well protected, but hard to cut.

A surge arrester protects electrical power systems.