![Southwire SIMpull 18 / 8 Solid Thermostat Wire (By-the-foot) in the Thermostat Wire department at Lowes.com Southwire SIMpull 18 / 8 Solid Thermostat Wire (By-the-foot) in the Thermostat Wire department at Lowes.com](https://mobileimages.lowes.com/productimages/92dcd894-16e0-45a6-884b-fb7447b3639f/61299786.jpg)
Southwire SIMpull 18 / 8 Solid Thermostat Wire (By-the-foot) in the Thermostat Wire department at Lowes.com
![Old Honeywell 2 wire AC thermostat (with 1 extra wire behind) - can I modernize this with Ecobee? : r/ecobee Old Honeywell 2 wire AC thermostat (with 1 extra wire behind) - can I modernize this with Ecobee? : r/ecobee](https://i.redd.it/old-honeywell-2-wire-ac-thermostat-with-1-extra-wire-behind-v0-zgb7bnf4hv2b1.jpg?width=3024&format=pjpg&auto=webp&s=260717dc10e09aa7edef141b700365ef3292e75f)
Old Honeywell 2 wire AC thermostat (with 1 extra wire behind) - can I modernize this with Ecobee? : r/ecobee
![Thermostat C Wire: Everything you need to know about the “common” wire – Smart Thermostat Guide Thermostat C Wire: Everything you need to know about the “common” wire – Smart Thermostat Guide](https://smartthermostatguide.com/wp-content/uploads/2014/10/c-wire-e1455171395994.png)
Thermostat C Wire: Everything you need to know about the “common” wire – Smart Thermostat Guide
![In-depth Thermostat Wiring Guide for Homeowners | Thermostat wiring, Hvac thermostat, Heating thermostat In-depth Thermostat Wiring Guide for Homeowners | Thermostat wiring, Hvac thermostat, Heating thermostat](https://i.pinimg.com/originals/8e/d2/4c/8ed24c98632d3ff9ab44ff9e18b7e3a2.jpg)
In-depth Thermostat Wiring Guide for Homeowners | Thermostat wiring, Hvac thermostat, Heating thermostat
![Southwire 64169622 5 Conductor 18/5 Thermostat Wire; 18-Gauge Solid Copper Class 2 Power-Limited Circuit Cable; 50-Feet; Brown - Electrical Wires - Amazon.com Southwire 64169622 5 Conductor 18/5 Thermostat Wire; 18-Gauge Solid Copper Class 2 Power-Limited Circuit Cable; 50-Feet; Brown - Electrical Wires - Amazon.com](https://m.media-amazon.com/images/I/61ZjE4VPrQL.jpg)
Southwire 64169622 5 Conductor 18/5 Thermostat Wire; 18-Gauge Solid Copper Class 2 Power-Limited Circuit Cable; 50-Feet; Brown - Electrical Wires - Amazon.com
![Wiring in an Amazon Thermostat. Brown is throwing me off. On my American standard it was labeled as W2/X2. Per instructions my W2 should be White and W should be empty. Any Wiring in an Amazon Thermostat. Brown is throwing me off. On my American standard it was labeled as W2/X2. Per instructions my W2 should be White and W should be empty. Any](https://preview.redd.it/wiring-in-an-amazon-thermostat-brown-is-throwing-me-off-on-v0-iz2gmcgvhf3a1.jpg?width=640&crop=smart&auto=webp&s=35c26484e3c42c9c12cdcea665aa2e81deb1d93d)
Wiring in an Amazon Thermostat. Brown is throwing me off. On my American standard it was labeled as W2/X2. Per instructions my W2 should be White and W should be empty. Any
![Trying to replace this old 2 wire thermostat for a newer digital one. Problem is older unit does not have leads labeled or which cable is which. Any help on how to Trying to replace this old 2 wire thermostat for a newer digital one. Problem is older unit does not have leads labeled or which cable is which. Any help on how to](https://i.redd.it/j9mnonzn7nu91.jpg)
Trying to replace this old 2 wire thermostat for a newer digital one. Problem is older unit does not have leads labeled or which cable is which. Any help on how to
![hvac - Where to connect common wire from thermostat to First Co. air handler? - Home Improvement Stack Exchange hvac - Where to connect common wire from thermostat to First Co. air handler? - Home Improvement Stack Exchange](https://i.stack.imgur.com/SrTon.jpg)