this post was submitted on 20 Dec 2023
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[–] geekworking@lemmy.world 9 points 9 months ago (1 children)

Non-contact voltage tester pens are cheap and made for this purpose. Don't need a meter to measure. Just need to know live or not.

[–] Darkassassin07@lemmy.ca 24 points 9 months ago* (last edited 9 months ago) (1 children)

They're also notoriously unreliable. Fine for casually looking for powered circuits, but if you're going to touch the conductors at all, use a meter.

As an electrician; it's drilled into your head to use an actual physical-contact meter that you've just tested for function on a known good power supply.

Some courses even demand you re-test the meter after you've checked the circuit you're testing.

[–] ironhydroxide@sh.itjust.works 13 points 9 months ago

Dead live dead test. Always