Red Seal Electrician Practice
Safety and work practicesQuestion 322 of 1506

What happens if the meter probe tips touch each other while the other ends are on a live source?

  1. A short circuit forms, possibly with a spark or flame
  2. The meter reads zero volts, and it is safe
  3. The fuse in the supply opens without a sound
  4. The meter switches to resistance mode on its own
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Correct answer: A short circuit forms, possibly with a spark or flame

The probes bridge the source and can draw heavy current.

Source: Troubleshooting Motors and Controls (Dickson-Self), 1.3: Meter Usage

Practice safety and work practices

Questions last reviewed: 18 October 2026