Question about Heating & Cooling
Some times field wiring will be of different colors. Green is always for ground. White or gray is neutral and almost any other color can be hot. This is only for higher voltage. The furnace is supplied mainly with 110 volts and transformed to 24 for the t-stat and 24volts runs to the a/c contacts.
Posted on Jun 30, 2009
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Posted on Jan 02, 2017
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