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Posted

Service equipment is a 100-amp fuse block main disconnect. Same uses/protects #2 aluminum to feed a 200-ampere breaker-panel. Aside from potentially blowing the main fuses if the panel is over-loaded, any other problems?

Posted

Not the expert here but...

Aside from the unknown conditions of the older fuse panel and wiring, none that I can think of. Even if the 200-amp panel has a 200-amp main breaker, it's just acting as a big on/off switch with the OCP provided by the fuses. I guess I'd just make sure the clients understand that they do NOT have a 200-amp service. I'd probably also tell them that it would be relatively simple to upgrade to 200-amps if they wished to do so at a later date.

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