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  • How far does the switch need to move?

    About 10cm 5cm. It's an OCD thing really but it's bothering me!

    Testing pen spec says it only detects 50v or higher.

    Hmm.

  • Only way to be sure, stand on an insulating mat, attach an earth cable to your genitals, lick your fingers and touch the wires.

    Good luck.

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