Red Seal Electrician Practice
Safety and work practicesQuestion 279 of 1506

A person who has to run a live test on isolated equipment must do what for others?

  1. Post the test results in the plant office for review
  2. Wait until the shift change before starting the test
  3. Cut the supply to the whole building before the test
  4. Warn everyone who could be exposed to the hazard
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Correct answer: Warn everyone who could be exposed to the hazard

Everyone who could be affected must be told before and during the test.

Source: Canada Occupational Health and Safety Regulations (SOR/86-304), Canada Occupational Health and Safety Regulations (SOR/86-304), Part VIII: Electrical Safety

Practice safety and work practices

Questions last reviewed: 18 October 2026