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I have a 400 amp service that supplies two panels, what are my options?

April 26, 2017AMP Options Panels service

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I have a 400 amp service that supplies two panels, what are my options?

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This would depend on your configuration. If you have a 400 amp “SERVICE ENTRANCE DISCONNECT” which would be a single breaker that will disconnect your entire home, then it’s easy to go with a 400 amp ATS. Just have it installed between the 400 amp “SERVICE ENTRANCE DISCONNECT”, and the distribution panels. There’s plenty of connector space on a 400 amp switch to land both sets of cables. If you don’t have a 400 amp “SERVICE ENTRANCE DISCONNECT”, then you can either purchase a single 400 amp or two 200 amp “SERVICE ENTRANCE RATED” Automatic Transfer Switches.