Red Seal Electrician Practice
Safety and work practicesQuestion 181 of 1506

A work area has a grounding bus, a neutral conductor and a metal structure. What must be true before work starts on equipment there?

  1. Each has its own separate ground connection
  2. The neutral is first disconnected from the others
  3. All are tied to a common grounding network
  4. A warning tag is hung on each one of them
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Correct answer: All are tied to a common grounding network

These items must be joined to one common grounding network before anyone works on equipment in the area.

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