![Advice on how to wire a 4 wire RGWY wifi thermostat to an old hvac with no c wire? - Home Improvement Stack Exchange Advice on how to wire a 4 wire RGWY wifi thermostat to an old hvac with no c wire? - Home Improvement Stack Exchange](https://i.stack.imgur.com/j5dG1.jpg)
Advice on how to wire a 4 wire RGWY wifi thermostat to an old hvac with no c wire? - Home Improvement Stack Exchange
![What to do about this RH to RC wire? I didn't see anything in the manual for this situation. Ecobee 3 lite : r/ecobee What to do about this RH to RC wire? I didn't see anything in the manual for this situation. Ecobee 3 lite : r/ecobee](https://i.redd.it/3958484nkne51.jpg)
What to do about this RH to RC wire? I didn't see anything in the manual for this situation. Ecobee 3 lite : r/ecobee
![Thermostat - Is this metal plate between R and Rc a jumper wire? Trying to install a Nest E. They each have their own dedicated wire but also this plate. All the confusion. Thanks in advance. : r/electrical Thermostat - Is this metal plate between R and Rc a jumper wire? Trying to install a Nest E. They each have their own dedicated wire but also this plate. All the confusion. Thanks in advance. : r/electrical](https://preview.redd.it/qmr30zkprh021.jpg?width=1080&crop=smart&auto=webp&s=a37c1fc3d048857ebb57e2c458d3d046acfab590)
Thermostat - Is this metal plate between R and Rc a jumper wire? Trying to install a Nest E. They each have their own dedicated wire but also this plate. All the confusion. Thanks in advance. : r/electrical
![I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation? I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation?](https://storage.googleapis.com/article_attachments/Dual%20transformer_Backplate_Standard%20thermostat%20wires.jpg)
I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation?
![The rh and rc wire were jumped on the original thermostat. Installed the new one and it's not working. Should I jump it? : r/AskElectricians The rh and rc wire were jumped on the original thermostat. Installed the new one and it's not working. Should I jump it? : r/AskElectricians](https://i.redd.it/the-rh-and-rc-wire-were-jumped-on-the-original-thermostat-v0-jf66h49qfgbb1.jpg?width=3000&format=pjpg&auto=webp&s=c84bc320a1452ec0139b5d470abf1f0c4fccc455)
The rh and rc wire were jumped on the original thermostat. Installed the new one and it's not working. Should I jump it? : r/AskElectricians
![hvac - On a thermostat, are "R" and "Rh" terminals the same thing? - Home Improvement Stack Exchange hvac - On a thermostat, are "R" and "Rh" terminals the same thing? - Home Improvement Stack Exchange](https://i.stack.imgur.com/TMTXJ.png)