NEC 2026 Compatible

What is the maximum resistance to ground allowed for a single ground rod electrode?

Journeyman LevelšŸ“‹ NEC 250.53(A)(2)Grounding and Bonding
Circuit Diagram
GROUND ROD ELECTRODE SYSTEM Service Panel MBJ Rod 1 ≤ 25Ī©? If R > 25Ī© → Add supplemental rod Rod 2 ≄ 6 ft apart NEC 250.53(A)(2)
A

5 Ohms

B

10 Ohms

C

20 Ohms

D

25 Ohms

Explanation & Direct Citation

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    Grounding and Bonding Practice Question: NEC 250.53(A)(2) | SparkShift | SparkShift