In a residential subdivision, what is the minimum length of grounding electrode conductor required from the service equipment to the grounding electrode?

Texas Master exam practice question · Wiring Methods & Materials

In a residential subdivision, what is the minimum length of grounding electrode conductor required from the service equipment to the grounding electrode?

A10 feet
B15 feet
20 feet
D25 feet

Exam tip

Ensure that the grounding electrode conductor meets the minimum length requirements for proper grounding.

Why C is correct

The 2026 NEC Article 250.66(C) requires a minimum length of 20 feet for grounding electrode conductors from the service equipment to the grounding electrode. The other options are shorter than the code requirement.

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In a residential subdivision, what is the minimum length of grounding electrode conductor required from the service equipment to the grounding electrode?

In a residential subdivision, what is the minimum length of grounding electrode conductor required from the service equipment to the grounding electrode?

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