This wiring diagram shows 120 V coming from L1 of a circuit breaker, through a switch, powering a boiler control and returning through L2, back to the neutral bar of the circuit breaker box. This is ...

Working on your own home is empowering and saves you money. Electrical projects require a special level of precaution, though, and as you’ll see below, even a licensed electrical like myself can ...

How a circuit breaker finder helped me map my home's wiring (and why that matters) I almost paid for new wiring - until this Klein tool showed me the power was already there.