If you want to measure resistance and you know Ohm’s law, it seems like you have an easy answer, right? Feed a known current through the thing you want to measure and read the voltage required. A ...

Knowing how to wire a light switch is critical if you are going to tackle the job yourself. Here we show you how to wire up a ...

Drilling into a concealed cable is always a nasty shock – and it’s seriously dangerous if the wire is live. Electrocution can result when a live cable is damaged and makes contact with the drill, ...

The first step for any project involving live electricity is to disconnect the power at the circuit breaker. Use a circuit tester where the new fixture will go to make sure there is no power to the ...

A continuity tester, as found on most multimeters today, is a great tool for finding broken connections and short circuits. But once you’ve found a short, it’s up to you to figure out which part of ...