The ground wire should not be smaller than No ______ copper.

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RRB Paper · Accepted Answer

The ground wire should not be smaller than No 10 copper. In general, the National Electrical Code (NEC) in the United States recommends that the ground wire should not be smaller than No. 10 copper for most residential and commercial electrical installations. This is because a No. 10 copper wire has a minimum ampacity rating of 30 amps, which is sufficient for most circuits in these types of installations. Larger ground wires may be required depending on the specific requirements of the installation.

The ground wire should not be smaller than No ______ copper.

2

4

6

10

The correct answer is `No. 4: 10`

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The ground wire should not be smaller than No ______ copper.

2

4

6

10

The correct answer is No. 4: 10

The correct answer is `No. 4: 10`