To Calculate the Minimum Number of 20-Ampere Branch Circuits Required

question 21

Multiple Choice

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

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Definitions:

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