The classic application for the circuit tracer involves finding which breaker supplies a given 120V load (Photo below). But circuit tracers aren't limited to 120V circuits or simply finding breakers.

New technologies have been likened, famously, to magic. At first, even the few who understand how they work have a tendency to sit back and marvel. Soon, flaws and limitations are detected and the ...

Rule 1: Read first to learn how the circuit works, then redraw to troubleshoot. Rule 2: When tracing a circuit, always work from the load to the battery, or from negative to positive. Rule 1: Read ...

They say there’s a fine line between love and hate, as evidenced by the fact that the same brain circuitry processes both intense love and severe hatred. Now a new study finds that that the key wiring ...

The driver’s come back from his daily peddle run a couple of hours early because of problems with the trailer’s liftgate. He says it’s operating very slowly, and at his last stop he barely got the ...