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There are 4 wires colored white, red, blue and green white

Customer Question
need to be connected to...
There are 4 wires colored white, red, blue and green white need to be connected to a thermostat with locations Y,W, G & RH/RC. What goes where?
Submitted: 8 years ago.Category: Electrical
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Answered in 7 minutes by:
9/8/2009
Electrician: Kevin, Master Electrician replied 8 years ago
Kevin
Kevin, Master Electrician
Category: Electrical
Satisfied Customers: 259
Experience: 15 yrs field experience with 11 yrs as self-employed contractor specializing in home repair\upgrades
Verified
Are you replacing an existing thermostat? If so, how were the wires connected on the old one?
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Customer reply replied 8 years ago
YES REPLACING AN EXISTING THERMOSTAT. 4 WIRES
Electrician: Kevin, Master Electrician replied 8 years ago
Connect red to rh\rc there is usually a jumper wire between those screws. Connect white to W, green to G, blue to Y. Test the thermostat. If this does not work properly, reverse the blue and green wires.
Kevin
Kevin, Master Electrician
Category: Electrical
Satisfied Customers: 259
Experience: 15 yrs field experience with 11 yrs as self-employed contractor specializing in home repair\upgrades
Verified
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Electrician: Kevin, Master Electrician replied 8 years ago
When testing, turn on only the fan first, and see if it is working as it should
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Kevin
Kevin
Kevin, Master Electrician
Category: Electrical
Satisfied Customers: 259
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Experience: 15 yrs field experience with 11 yrs as self-employed contractor specializing in home repair\upgrades

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