What ampacity is specified for the branch circuit serving laundry receptacles?

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Prepare for the ICC Residential Electrical Inspector Level 1 exam with multiple choice questions, flashcards, and detailed explanations. Master your understanding of the residential electrical code to ensure success.

Multiple Choice

What ampacity is specified for the branch circuit serving laundry receptacles?

Explanation:
The main idea is that laundry receptacles in a dwelling must be fed by a 20-amp branch circuit. This sizing accounts for the practical laundry loads (like a washer) that can pull more than 15 A, and it helps prevent nuisance tripping while meeting code requirements. A 20-amp circuit provides the appropriate capacity for laundry outlets, whereas 15 A wouldn’t offer enough headroom, and 25 A or 30 A are not standard ratings for this use (30 A is typically reserved for larger appliances like dryers or ranges).

The main idea is that laundry receptacles in a dwelling must be fed by a 20-amp branch circuit. This sizing accounts for the practical laundry loads (like a washer) that can pull more than 15 A, and it helps prevent nuisance tripping while meeting code requirements. A 20-amp circuit provides the appropriate capacity for laundry outlets, whereas 15 A wouldn’t offer enough headroom, and 25 A or 30 A are not standard ratings for this use (30 A is typically reserved for larger appliances like dryers or ranges).

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