In this video, learn how to safely test your home’s electrical outlets using a multimeter. Multimeters are a good way of measuring the voltage output that the outlet gives, among other things. Before ...

An ignition coil takes voltage from the battery and multiplies it to create a spark at the spark plugs, which in turn ignites the engine. Cars have been using some form of the coil ignition system for ...

The alternator is a device that keeps your car's electrical system running once the engine is on. It's essentially a small generator that converts mechanical energy into electricity, bolted to the ...

We may receive a commission on purchases made from links. There's nothing more annoying than checking the time on your wall clock and realizing the battery's already dead, or plopping down on your ...

Unlike the last test you took in school, this one is fast and easy—and protects you from harm. An electrician explains. Think about your morning routine: Do you hop out of the shower and immediately ...

It's no secret, nor is it a mystery, that water and electricity do not mix. We never want to get water on or in any of our electronics, much less our outlets. Unfortunately, it can still happen ...

We earn commissions from purchases you make using links in our articles. Learn more. The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially ...