Electrician Red Seal · Question
When connecting a solidly-grounded wye-connected system, where must the system neutral point be grounded?
CEC Rule 10-204 mandates that for an AC system that is required to be grounded, the grounding connection shall be made at the source of supply and not at any ot
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Question: When connecting a solidly-grounded wye-connected system, where must the system neutral point be grounded?
Answer options:
- At every device it connects to.
- Only at the last device in the circuit. ✅ Only at the source of supply.
- At both the source and the final load.
Correct answer: Only at the source of supply.
Explanation: CEC Rule 10-204 mandates that for an AC system that is required to be grounded, the grounding connection shall be made at the source of supply and not at any other point, except as specifically permitted elsewhere in the code.
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