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 ...

Want to turn your circuit ideas into real designs? Check out a free tool that makes drawing schematics, adding symbols & preparing PCBs fast.

Testing a circuit breaker is about judging reliability under fault conditions, not just checking continuity or voltage. A ...

Learn how to find electric current in all branches with this beginner-friendly circuit analysis tutorial! In this step-by-step video, we break down the concepts, techniques, and calculations needed to ...

Circuit breakers are essential safety devices that protect homes, commercial businesses, and industrial facilities alike. They serve as safeguards on electrical systems, preventing fires and other ...

A circuit breaker that trips repeatedly is often assumed to be defective, but that assumption is frequently wrong. Breakers respond to conditions downstream, and replacing one without understanding ...