Danger of violating 225.30?

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marmathsen

Senior Member
Location
Seattle, Wa ...ish
Occupation
Electrical Contractor
I'm looking at a residence that has a 200A feeder from the service in a detached garage. It also has a separate 90A feeder to to the same house from the same detached garage. So 2 separate feeders to 2 separate panels in a house that is in a separate building from the service disconnects in a detached garage.

The code is very clear that according to 225.30 this is a violation since it doesn't meet any special conditions listed in 225.30(A).

My question is what is the reason for single supplies for separate buildings? What is the danger?

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