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JIM MURPHY
08-16-2010, 02:42 PM
Probably a simple answer to a simple question but how do you have 200 amp incoming service and have a 225 service panel with a 225 disconnect?

Thanks,

Jim

Roger Frazee
08-16-2010, 04:03 PM
The demand load calculation for the home determines the size service required. If you have a 200 amp service and the service entrance conductors were sized for 200 amps you could not connect them to service equipment with ocpd of 225 amp.

Paul Kondzich
08-16-2010, 06:40 PM
Jim, are you talking "incoming service" from the utility company? If so, its their property and they can size it as they see fit. Also with overhead service if I remember correctly, since the wires are not in a conduit and exposed to weather, cold, rain etc. they can get by with a even smaller gauge wire due to less heat buildup. I am sure some experts will be along soon quoting all kinds of codes.