Appliance Branch-Circuit Overcurrent Protection

If a protective device rating is marked on an appliance, the branch-circuit overcurrent device rating shall not exceed ___ % of the protective device rating marked on the appliance.

a) 50
b) 80
c) 100
d) 115

See answer and applicable Code reference

The correct answer is: c) 100

Article 422 covers electrical appliances used in any occupancy. As noted in Sec. 422.11(A), "Branch circuits shall be protected in accordance with 240.4." If a protective device rating is marked on an appliance, the branch-circuit overcurrent device rating shall not exceed the protective device rating marked on the appliance."

 

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