Nest Thermostat Jumper Wire Rh Rc
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Easier, get some rest, head to radioshack or lowe's, etc in the morning if you have one, and pick up a 12vac to or 18vac adapter and connect one adapter wire to the r wire at the furnace or at the thermostat , and the other adapter wire just to the thermostat 's c. Instead of using jumper wires, nest learning thermostats use an internal jumper between the rh and rc connectors. A nest learning thermostat will automatically use this internal jumper if your system needs it. Never put more than one wire into a nest thermostat connector.
There is no standard for the colour of the rh wire, but most units. The rh wire connects to the rh terminal and controls the heating part of the thermostat. Rc and rh if the air conditioning thermostat has one transformer to power both the heating and cooling system, then the wire from the transformer goes directly to. Instead of using jumper wires, nest learning thermostats use an internal jumper between the rh and rc connectors. A nest learning thermostat will automatically use this internal jumper if your system needs it. What is rc and rh on nest? If you don't have an rc wire, the rh wire is the power wire for both your heating and cooling systems. If you have an rh and an rc wire, the rh. If yes, then there will be a red wire indicating the jumper between them.