5 thoughts on “No~Shock~Zone – NCVT Guitar Testing

  1. Checking before is ok, but we are living and working in real time…

    1. Profile photo of Mike Sokol

      True, but the chance of a ground failing on stage after it tested fine during sound-check is pretty slim. But if ground tests “hot” during a sound-check, then it’s potentially deadly during a show.

  2. I ordered an NCVT, on a live stage last year I had one performer with an electric guitar, who was complaining about getting shocked on the microphone. We had the same issue three years ago, but that one was later traced to a ground lifted extension cord I did not know about…

    1. Profile photo of Mike Sokol

      Yeah, stage amps with a lifted ground on the power cord are pretty common culprits. Of course the musician won’t feel any shock if they’re only touching one electrified object such as their guitar strings. When they simultaneously touch this lips to a grounded mic, that’s when they can get anywhere from a tingle to a shock to electrocution (death by electrical shock). But because their lips are the last thing to make contact, many times the PA system and mics are blamed as the source of the shock. I like the NCVT as a fast and easy test for hot chassis voltage on backline instruments OR mixing consoles. Any elevated voltage on stage gear chassis is dangerous.

  3. […] If any of you are musicians, here’s a video I did on how to check electric guitars and stage amplifiers for potential shock hazards using an NCVT. Watch the video. […]

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