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    scissor Posts: 1, Reputation: 1
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    May 27, 2012, 05:35 AM
    What size should the dissconnect be if feed from a 100 amp breaker
    There is a 100 amp breaker feeding an old air compressor. The old air compressor has been removed . The conduit and wire is where the new air compressor is to be located, but only needs 30 amp feed. If I use a fused disconnect fused at 30 amps does disconnect need to be 100 amp rated.

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