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Red Seal Construction Electrician

Category - Construction Electrician

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What is the minimum size of aluminum conductor for an overhead 3-wire single dwelling consumer service if the calculated load is 30200 W with a termination temperature of 90 degrees C?

#3 AWG
#2 AWG
1/0 AWG
2/0 AWG

Explanation

Answer: C. Explanation: The required ampacity of the 3-wire 240 V service is 125.8 A. Refer to CEC 2021 Table 4 for allowable ampacities of aluminum conductors.

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