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OP t1_jdrafpd wrote

so connect them up turn it on pit one end on live supply and one on the socket and look for reading of zero?

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t1_jdrb3eh wrote

You don't have to connect anything. Do it with a multimeter.

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OP t1_jdrc60t wrote

Oh yeah. makes sense thanks

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t1_jdsebxd wrote

Many multimeters have a setting where they'll beep if you touch the two probes together (or if there's nothing but wire between them, i.e. an electrical short). Use that setting. If yours doesn't have it, use the ohms setting (Ω) instead. Tap the probes together to see what a short looks like.

Make sure the power is disconnected first or you'll brick your multimeter (or best case blow a safety fuse inside it).

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