Honestly, nothing — until you start looking at its thermally compensated current limiting circuit. This one is by [DiodeGoneWild], who you’ve really got to hand it to in terms of both the ...

Here's what to know about so-called “circuit breakers" and when they're used to halt trading on stock markets.

This is a dangerous situation that causes a very high current because there’s no light or appliance to offer any resistance. Short circuits are a major fire risk, and circuit breakers must be ...

See? Good and evil. An RCD (or GFCI in the States) is a kind of circuit breaker that trips when the amount of current in the hot and neutral mains power lines aren’t equal and opposite ...