SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/elec-damaged-probes

Your meter's test probe has cracked insulation. What should you do?

Never use a damaged meter or test probes.

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  1. Stop using it until it is replaced ✔
  2. Wrap it in tape and continue
  3. Use it only on low voltages

Why: Cracked insulation can expose you to the voltage you are measuring. Fluke says to look over the meter, probes and accessories for damage before every use.

Huh, didn't know that: Fluke also says never to work alone near exposed and energized equipment.

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A superconductor walks into a bar. The bartender says, 'Get out, we don't serve your kind here.' It leaves without any resistance.
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References

Answer: Stop using it until it is replaced. Cracked insulation can expose you to the voltage you are measuring. Fluke says to look over the meter, probes and accessories for damage before every use.

  1. Fluke: Guide to digital multimeter safety fluke.com/en-us/learn/blog/safety/multimeter-guide
    You should never use a damaged meter or damaged test probes.
    Checked 2026-10-10.

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