![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
![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)
hvac - Where to connect common wire from thermostat to First Co. air handler? - Home Improvement Stack Exchange
![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)