Understanding the branch-circuit requirements in Art. 210 is critical to completing Code-compliant installations. Article 100 defines a “branch circuit” as the ...

Electrical ladder drawings are still one of the common and reliable tools used to troubleshoot equipment when it fails. As with any good troubleshooting tool, one must be familiar with its basic ...

Before you submit an error, please consult our Video Help page. Steve Trash Science is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android ...

Your circuit breakers are some of the most important but least understood parts of your home's electrical system, keeping you safe from electrical fires. Let's take a look at how they work.

Kids love building electric circuits, but connecting light bulbs to batteries with fiddly wires is tricky for young hands. Play dough and light-emitting diodes (LEDs) solve the problem beautifully.