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  1. Splash1

    Transformer to Main Breaker matching

    Thanks. Yeah, I'm sure that the utility won't accommodate me. But, everytime they change a transformer "from Stock" I guess the consumer has to change their service panel/main breaker to be compliant. if they don't match the RMS. Still sounds hokey to me. LOL Asking nicely and repeatedly...
  2. Splash1

    Transformer to Main Breaker matching

    Again, THANKS! Waross you have given me a much better understanding. Yes, I agree that it is the contractor's responsibility to be sure of the serviceability and conformance but, mid-stream is a little late for an EXPENSIVE change order that could/should have been done at the onset. Wayne440's...
  3. Splash1

    Transformer to Main Breaker matching

    Thanks for the responses. The transformer is supplied by the utility company and the center has 6 separate business all served by the same transformer. The RMS is still not clear to me in that there is, I'm sure, a complicated calculation that the utility would have done when installing the...
  4. Splash1

    Transformer to Main Breaker matching

    I have an unusual (for me unusual) situation. Have been asked by electrical contractor to obtain fault current ratings for a transformer serving a shopping center that we are doing a tenant build-out for and have obtained this. The contractor is telling me that the main breaker for the service...

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