Interior metal water piping located more than ___ ft from the point of entrance to the building shall not be used as a part of the grounding electrode system.

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Prepare for the Independent Electrical Contractors (IEC) Year 4 Exam. Access flashcards, multiple choice questions, and detailed explanations. Enhance your readiness and achieve your certification!

Multiple Choice

Interior metal water piping located more than ___ ft from the point of entrance to the building shall not be used as a part of the grounding electrode system.

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