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re: Breakers randomly tripping

Posted on 12/26/23 at 2:24 pm to
Posted by achenator
Member since Oct 2014
2957 posts
Posted on 12/26/23 at 2:24 pm to
quote:

good lord. my house, carport and barn all run on 150A and I have plenty of panel spaces left over is what it is but 400A single phase is a huge residential draw. How much is your power bill?
house is 4000/5900. We have 3 ac units and the 1100 sq ft garage has its own 2.5 ton unit. Pool, commercial range, ice maker, seperate fridge and freezer, outdoor fridge etc. Lots of outdoor lighting etc. I remember being shocked when they told me I had to buy -‘400A switch for the generator because it was a good bit more than the original quote. Out bill runs about 5-600 in the summer, last month was 200.
Posted by cgrand
HAMMOND
Member since Oct 2009
38937 posts
Posted on 12/26/23 at 6:52 pm to
quote:

Out bill runs about 5-600 in the summer
better you than me LOL
I’m sure it’s nice but the builder really should have designed around a more manageable electrical situation. 400A single phase is ridiculous. We don’t even do that on commercial projects

too late now but 3 phase would have been a more responsible design assuming your utility company would allow it

anyway, with all that load I’m not surprised you are tripping breakers. Replace your arc fault breakers with regular breakers, square D breakers will fit in most panels (square D, GE, etc) and look and make sure everything is grounded correctly
Posted by cgrand
HAMMOND
Member since Oct 2009
38937 posts
Posted on 12/26/23 at 6:56 pm to
quote:

achenator
did you change user names in the middle of this thread
Posted by bbvdd
Memphis, TN
Member since Jun 2009
25078 posts
Posted on 12/27/23 at 8:04 am to
quote:

Out bill runs about 5-600 in the summer, last month was 200.


Ours is a usually half again more than yours.

I have a freezer in my garage. Bought it a couple of years ago. I had to remove the GCFI. Old chest freezer was fine but the new stand up freezer would constantly trip it.

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