![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
![Won't turn on... Rc to Rh jumper in old thermostat. new install shown. The HVAC dudes cut a wire short (shown in pic 2) and it's not in use. please help. : Won't turn on... Rc to Rh jumper in old thermostat. new install shown. The HVAC dudes cut a wire short (shown in pic 2) and it's not in use. please help. :](https://i.redd.it/ggqnu8ueokt91.jpg)
Won't turn on... Rc to Rh jumper in old thermostat. new install shown. The HVAC dudes cut a wire short (shown in pic 2) and it's not in use. please help. :
![Replacing my Honeywell thermostat for Amazon thermostat. R and RC jumper. I'm clear about W,Y,G and C.. but Im not sure about R and RC.. Do I have to shoose both?.. or Replacing my Honeywell thermostat for Amazon thermostat. R and RC jumper. I'm clear about W,Y,G and C.. but Im not sure about R and RC.. Do I have to shoose both?.. or](https://preview.redd.it/0u7uznamj2f81.png?width=640&crop=smart&auto=webp&s=37c8986f38d6b966c6600ebf46f50af8ad14e89a)
Replacing my Honeywell thermostat for Amazon thermostat. R and RC jumper. I'm clear about W,Y,G and C.. but Im not sure about R and RC.. Do I have to shoose both?.. or
![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 need some electrical help with wiring a new thermostat. I have attached a photo of the old wiring that uses jumper wires. My new thermostat is a Honeywell Home RTH6360D1002. Heat I need some electrical help with wiring a new thermostat. I have attached a photo of the old wiring that uses jumper wires. My new thermostat is a Honeywell Home RTH6360D1002. Heat](https://preview.redd.it/k64j4ksi6x881.jpg?width=640&crop=smart&auto=webp&s=7522f26e245c53f5189060258bc9fa1abeb2af1e)