A ground rod used as a grounding electrode must be driven to a minimum depth of:

A ground rod used as a grounding electrode

Multiple choice — select the best answer

A8 feet
B4 feet
C6 feet
D10 feet

✓ Correct answer: A. 8 feet NEC 250.52(A)(5) requires driven ground rods to be installed to a minimum depth of 8 feet to ensure adequate soil contact and effective grounding.

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Topic: Electrical Systems

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A ground rod used as a grounding electrode must be driven to a minimum depth of:

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