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Thread: NEC tables 220.12 and 220.42

  1. #1
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    NEC tables 220.12 and 220.42

    When will we use NEC tables 220.12 and 220.42 for lighting load calculation? I thought we do the lighting load calculation based on whatever is allowed by IECC (International Energy Conservation Code)?

  2. #2
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    When sizing the service or feeder, the energy code says nothing about the min calculated load for sizing service conductors and feeders (distribution loads)

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