To calculate the minimum number of 20-ampere branch circuits required in a dwelling, you should multiply the dwelling square footage by 3 volt-amperes to obtain total volt-amperes, divide by 120 volts to obtain the total amperes, and finally, ____.
A. multiply by 20 and round up to obtain the number of circuits
B. divide by 20 and round down to obtain the number of circuits
C. divide by 20 and round up to obtain the number of circuits
D. multiply by 20 and round down to obtain the number of circuits
Answer: C
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