Many smart switches and dimmers require the presence of a neutral wire in the electrical box inside the wall, in addition to the line (power from the circuit-breaker panel), load (power to the ...

Many smart switches and dimmers require the presence of a neutral wire in the electrical box inside the wall, in addition to the line (power from the circuit-breaker panel), load (power to the ...

[Mike] shows us the inner workings of a 240VAC circuit breaker and explains how the different safety features in the device work. In proper MikesElectricStuff form, [Mike] finds out what it ...