In this article, Mike Sokol explains how to troubleshoot electrical problems.
As I’ve been discussing in my latest articles on troubleshooting short circuits in large systems like an RV, you first need to create a fault current that won’t burn up the wires. Of course you can shut everything else off and look for a steady-state current draw of 1 amp or so. But if you have a big job where you can’t shut off the power, you just need to create some sort of current that you can see pulsing on and off with a clamp meter. And it could be nothing more complicated than a 12-volt bulb and time-delay relay.
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