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2 chargers on 90AMP feed

Discussion in 'North America' started by JWinter, May 1, 2018.

  1. JWinter

    JWinter Member

    Joined:
    Apr 23, 2018
    Messages:
    10
    Location:
    NY
    So I have a 100 AMP panel that has a 90AMP energizing it. I have 1 Tesla Wall Charger with a 50 AMP breaker and set to #8 inside Tesla charger. I was going to add a NEMA 14-50 with a 50 AMP breaker in the same panel. So what will be wired to the panel are Tesla Wall Charger with a 50 AMP + NEMA 14-50 with a 50 AMP + GFCI with 20 AMP

    Adding NEMA for non-tesla EVs...will panel/feed be enough to handle this?
     
  2. cmaster

    cmaster Member

    Joined:
    Dec 4, 2014
    Messages:
    240
    Location:
    United States
    So, with 90 amp you don't want anything down the chain to use more than 90*0.80 = 72 amps. I think it's ok if you are not using all the elements on the circuit simultaneously.

    Might want to call the town inspector for advice.

     
  3. JWinter

    JWinter Member

    Joined:
    Apr 23, 2018
    Messages:
    10
    Location:
    NY
    makes sense thanks...
     

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