For purposes of the NEC®, interior metal water piping is considered to be exposed when installed above a lay-in ceiling.

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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!

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For purposes of the NEC®, interior metal water piping is considered to be exposed when installed above a lay-in ceiling.

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