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How Many Supplies are Allowed?

A building or structure shall be supplied by a maximum of _____ feeder(s) or branch circuit(s), unless specifically permitted otherwise.

a) one
b) two
c) three
d) four

See answer and applicable Code reference

The correct answer is: a) one

Article 225 covers requirements for outside branch circuits and feeders run on or between buildings, structures or poles on the premises. As noted in the first paragraph of Sec. 225.30, "A building or other structure that is served by a branch circuit or feeder on the load side of a service disconnecting means shall be supplied by only one feeder or branch circuit unless permitted in 225.30(A) through (E)."

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