Question 10029 of 871 · Maryland Journeyperson Electrician Exam

A copper ring or grid used for pool perimeter bonding is installed at what depth?

Exactly one answer is correct.

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Correct answer to question 10029

  • A: 4 to 6 in below the subgrade

Explanation

The copper conductor alternative for perimeter bonding is placed between 4 in and 6 in below the subgrade. This keeps it close enough to the surface to equalize potential under bare feet.

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