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    Oct 3, 2011, 05:37 PM
    Circuit breaker size for a carrier unit model number fb4anf018 I got this unit from
    Circuit breaker size for a carrier unit model number fb4anf018 I got this unit from a model home as a garage booster, no info on the unit as to max breaker size. I bought a 40 amp dbl pull to wire it up. Also there are two black and one yellow, am I to assume both black wires attach to the white and black feed and the yellow is the ground?

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