Electrician Red Seal · Question
Unless otherwise marked, what is the maximum continuous load permitted on a 20A circuit breaker?
CEC Rule 8-104(6) states that an overcurrent device must not be loaded to more than 80% of its rating for a continuous load. For a 20A breaker, this is 20 A × 0
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Question: Unless otherwise marked, what is the maximum continuous load permitted on a 20A circuit breaker?
Answer options:
- 20 A
- 18 A ✅ 16 A
- 15 A
Correct answer: 16 A
Explanation: CEC Rule 8-104(6) states that an overcurrent device must not be loaded to more than 80% of its rating for a continuous load. For a 20A breaker, this is 20 A × 0.80 = 16 A.
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- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
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