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.

How Does a Polarized Plug Work?

Polarized plugs work as a safety mechanism to prevent shock.

How to Install an Automatic Light Sensor

Light sensors are a valuable safety feature.

How to Install Electrical Junction Boxes

An essential component of your home's wiring.

How to Wire a 2-Conductor Switch Leg

Send power in two directions with the same switch.

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.

Working with Armored Cable: Dos and Don'ts

It is much more durable and damage resistant than nonmetallic or Romex wire.

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.

Is it Safe to Connect Aluminum and Copper Wiring?

There is risk associated with connecting copper and aluminum wiring. However, there are also safe ways of doing so.

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

How to Wire a Double Outlet

Get twice as much use out of your outlet by installing a double, but make sure it is wired correctly.

How to Cut Armored Cable

Armored cables protect your cables well, but they make cutting them more difficult. Follow this guide to correctly cut your armored cables.

4 Differences Between UF and Romex Cable

If you’re ever considering do your own wiring project, it’s crucial that you know the differences in these types of cable.

How Does a Surge Arrester Work?

A surge arrester is a device that protects electrical power systems from damages caused by lightning.

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.

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?

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.

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

Whether you are trying to install a new ceiling fan or repair an old one, understanding your wiring color codes should be first on the list.

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.