![Help please? Do I have a C wire? Nothing is labeled C and the device has 2 AA batteries. Hoping to add smart thermostat. Do I need an electrician? …He asks the electricians :) : r/electricians Help please? Do I have a C wire? Nothing is labeled C and the device has 2 AA batteries. Hoping to add smart thermostat. Do I need an electrician? …He asks the electricians :) : r/electricians](https://preview.redd.it/help-please-do-i-have-a-c-wire-nothing-is-labeled-c-and-the-v0-hr93t4r0ogn81.jpg?width=1080&crop=smart&auto=webp&s=1278d818164a937a7081eb8c15c2a2dced0e427b)
Help please? Do I have a C wire? Nothing is labeled C and the device has 2 AA batteries. Hoping to add smart thermostat. Do I need an electrician? …He asks the electricians :) : r/electricians
![C wire is connected to Y at thermostat. How do I add a “C” wire in this case? Swapping nest for Ecobee. : r/hvacadvice C wire is connected to Y at thermostat. How do I add a “C” wire in this case? Swapping nest for Ecobee. : r/hvacadvice](https://i.redd.it/c-wire-is-connected-to-y-at-thermostat-how-do-i-add-a-c-v0-hsf244p3fv791.jpg?width=2153&format=pjpg&auto=webp&s=2406dcbab3bc104ea769dc9ef668c1e7362667cf)
C wire is connected to Y at thermostat. How do I add a “C” wire in this case? Swapping nest for Ecobee. : r/hvacadvice
![electrical - Where do I connect a C-wire to my electric boiler ( Slant/Fin Monitron Boiler ) - Home Improvement Stack Exchange electrical - Where do I connect a C-wire to my electric boiler ( Slant/Fin Monitron Boiler ) - Home Improvement Stack Exchange](https://i.stack.imgur.com/kUjsE.jpg)
electrical - Where do I connect a C-wire to my electric boiler ( Slant/Fin Monitron Boiler ) - Home Improvement Stack Exchange
![The C wire terminal is currently in use by the outside AC condenser. Would I just keep my current wire config and do both the condenser and new C thermostat wire on The C wire terminal is currently in use by the outside AC condenser. Would I just keep my current wire config and do both the condenser and new C thermostat wire on](https://i.redd.it/78rwrno49lt11.jpg)