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Electrician Red Seal · Question

A journeyperson is installing a new 200 A service for a single-family dwelling. What is the minimum size of copper bonding conductor required for a grounding electrode system consisting of a water pipe electrode and a ground rod, according to the Canadian Electrical Code (CEC)?

For a 200 A service, Table 16 in the CEC specifies a minimum copper bonding conductor size of No. 4 AWG. This conductor connects the service equipment to the gr

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Question: A journeyperson is installing a new 200 A service for a single-family dwelling. What is the minimum size of copper bonding conductor required for a grounding electrode system consisting of a water pipe electrode and a ground rod, according to the Canadian Electrical Code (CEC)?

Answer options:

  • No. 6 AWG ✅ No. 4 AWG
  • No. 2 AWG
  • No. 1/0 AWG

Correct answer: No. 4 AWG

Explanation: For a 200 A service, Table 16 in the CEC specifies a minimum copper bonding conductor size of No. 4 AWG. This conductor connects the service equipment to the grounding electrode system.

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