![HQRP 24V AC Adapter Transformer Works with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire, 25ft Cable : Amazon.ca: Tools & Home Improvement HQRP 24V AC Adapter Transformer Works with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire, 25ft Cable : Amazon.ca: Tools & Home Improvement](https://m.media-amazon.com/images/I/71xYPyjsBxL._AC_UF894,1000_QL80_.jpg)
HQRP 24V AC Adapter Transformer Works with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire, 25ft Cable : Amazon.ca: Tools & Home Improvement
![N1 Common C Wire Adapter AC Transformer 24V 500mA Universal Compatible With WIFI Smart Thermostat and Doorbells. Nest, Ring, Honeywell, Ecobee, Sensi - White, New - Walmart.com N1 Common C Wire Adapter AC Transformer 24V 500mA Universal Compatible With WIFI Smart Thermostat and Doorbells. Nest, Ring, Honeywell, Ecobee, Sensi - White, New - Walmart.com](https://i5.walmartimages.com/seo/N1-Common-C-Wire-Adapter-AC-Transformer-24V-500mA-Universal-Compatible-With-WIFI-Smart-Thermostat-Doorbells-Nest-Ring-Honeywell-Ecobee-Sensi-White-Ne_f8863ff8-f2ff-4a3d-9a67-38e8bdd5be59.6d13dff0e6b9cea7329179d188ec79bf.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
N1 Common C Wire Adapter AC Transformer 24V 500mA Universal Compatible With WIFI Smart Thermostat and Doorbells. Nest, Ring, Honeywell, Ecobee, Sensi - White, New - Walmart.com
![Old thermostat works, but I can't get the Honeywell T9 to work. T9 require C Wire that was not in the wall. I added C wire & RC wire via plug-in 120v Old thermostat works, but I can't get the Honeywell T9 to work. T9 require C Wire that was not in the wall. I added C wire & RC wire via plug-in 120v](https://i.redd.it/qgn9tccrp6a91.jpg)
Old thermostat works, but I can't get the Honeywell T9 to work. T9 require C Wire that was not in the wall. I added C wire & RC wire via plug-in 120v
![Honeywell home ventilation system with no c wire for thermostat. How can I substitute the g for the c without blowing a fuse? - Home Improvement Stack Exchange Honeywell home ventilation system with no c wire for thermostat. How can I substitute the g for the c without blowing a fuse? - Home Improvement Stack Exchange](https://i.stack.imgur.com/nqLQO.jpg)