Red Seal Electrician Practice
Safety and work practicesQuestion 268 of 1506

How many employees may give a guarantee of isolation for the same piece of equipment for the same period?

  1. Two, if both are qualified
  2. Two, if the second is a supervisor
  3. As many as needed
  4. One
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Correct answer: One

Only one person at a time may give the guarantee. This avoids conflicting statements about isolation.

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