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service disconnect

  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: 31
    • Forum: Electrical Codes
  2. jar546

    Turning Main to Sub-Panel & Range Circuit

    This is a situation that I would like to get a discussion going on. It is residential, so hopefully we will get more participation. This is an educational discussion. A service disconnect is located in the garage on a wall that separates the garage from the interior and fed from underground...
    • jar546
    • Thread
    • nec 250.140 range circuit se cable service disconnect
    • Replies: 0
    • Forum: Electrical Codes
  3. jar546

    What is missing? Service Disconnect

    Yes the bond screw is in place to bond the grounded conductor (neutral) to the enclosure but something is missing. The line-side service conductors enter the bottom through EMT and connect to the top of the built in breaker. The feeders to the interior panelboard of this apartment come off the...
    • jar546
    • Thread
    • bond bushing conduit emt nema 3r service disconnect service enclosure
    • Replies: 2
    • Forum: Electrical Codes
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