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nec 2023

  1. C

    400A Meter Main Questions

    Hello All, I have a question concerning the 2020 NEC Changes in 230.70, 230.71, specifically 230.71(B): Prior to 2020 NEC, a 400A meter Main allowed 2 x 200A Main Breakers in the same cavity/enclosure. According to the 2020 NEC, a change was made which required each 200A Breaker be separated...
    • CFD925
    • Thread
    • 400a service nec 2020 changes nec 2023 service conductors service disconnect
    • Replies: 29
    • Forum: Electrical Codes
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