Electrician Red Seal · Question
When must Arc-Fault Circuit Interrupter (AFCI) protection be provided for branch circuits in a new residential dwelling unit?
CEC Rule 26-722(f) requires AFCIs for 125V branch circuits rated 15A or 20A that supply outlets in dwelling units, with specific exclusions like bathrooms withi
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Question: When must Arc-Fault Circuit Interrupter (AFCI) protection be provided for branch circuits in a new residential dwelling unit?
Answer options:
- For all receptacles rated 125V, 15A and 20A
- Only for circuits supplying receptacles in bedrooms
- For all 125V branch circuits rated 20A or less supplying receptacles ✅ For all 125V branch circuits rated 15A or 20A supplying outlets, except for some specific exclusions
Correct answer: For all 125V branch circuits rated 15A or 20A supplying outlets, except for some specific exclusions
Explanation: CEC Rule 26-722(f) requires AFCIs for 125V branch circuits rated 15A or 20A that supply outlets in dwelling units, with specific exclusions like bathrooms within 1m of a sink or single-receptacle sump pump outlets.
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