Created to prevent injuries and damage to equipment during maintenance, a current transmission (CT) circuit terminal block safely shorts out three or four CT secondaries with one movement of a ...

Every month we receive a substantial number of technical questions, many of which deal with electrical problems. Recently we were in Texas visiting the folks at Painless Performance and had the ...

Q. What type of circuit breaker does the Code allow to be used for switching duty of lighting circuits? A. Circuit breakers used to switch 120V or 277V fluorescent lighting circuits must be listed and ...

What is an automotive relay? In simple terms, an automotive relay is a small cube shaped electronically operated electromechanical switch. It uses an electromagnetic device to mechanically maneuver a ...

Watch this video to learn more about what an electrical circuit is and how it works. Electrical energy flows around circuits which are loops made of metal wires. In this game, touching the wire with ...

For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...