Electrical History & Basics

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What's Going On With Your Electrical Panel?

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

4 Differences Between UF and Romex Cable

They're not interchangeable.

Is it Safe to Connect Aluminum and Copper Wiring?

There is risk with connecting copper and aluminum wiring.

How to Wire a 2-Conductor Switch Leg

Send power in two directions with the same switch.

How to Wire a Double Outlet

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

Working with Armored Cable: Dos and Don'ts

Armored cable is an electrical wiring solution.

How to Remove Corrosion from Copper Wiring

While copper wire doesn’t corrode as easily as other wire, it’s still possible, so you should know how to clean it.

How to Cut Armored Cable

Armored cables are well protected, but hard to cut.

How Does a Surge Arrester Work?

A surge arrester protects electrical power systems.

Red, Black, White, Blue: What Each Ceiling Fan Wire Means

Understanding your wiring color codes is critical.

How to Install an Automatic Light Sensor

Light sensors are a valuable safety and convenience feature.

6 Tips for Using Electrical Tape

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

How Does a Polarized Plug Work?

Polarized plugs work as a safety mechanism to prevent shock.

How to Install Electrical Junction Boxes

An essential component of your home's wiring.

NM Cable vs Armored Cable

Both types of cable are very popular with DIYers.

How to Read Your Circuit Breaker Panel

A circuit breaker panel is a box of switches.

How to Identify a Short in a Wire

It's usually a problem with cords or wires.

Ohm's Law for Circuit Wiring

Ohm's Law for circuit wiring is named after a German physicist.

Wiring and Fuses in Older Homes

A friend asked me the other day to take a look at the wiring in the farmhouse he purchased. He was telling

Electric Wire Color Code

Electrical wiring can be tricky, but knowing your wiring color codes can take a lot of the guesswork out of your next project.

Electrical Circuits: What Happens in a Short Circuit?

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

How to Use Liquid Electrical Tape

In case the insulation of any electrical wire is broken or the place where two cables are connected,

How to Convert Polarized Plug to a Nonpolarized Outlet

A polarized plug will work with most connections unless you are connecting it to a non-polarized outlet.