![wiring - Can I just extend this blue wire in furnace for Nest thermostat? - Home Improvement Stack Exchange wiring - Can I just extend this blue wire in furnace for Nest thermostat? - Home Improvement Stack Exchange](https://i.stack.imgur.com/6my9i.jpg)
wiring - Can I just extend this blue wire in furnace for Nest thermostat? - Home Improvement Stack Exchange
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What wire is this that connects my condo buzzer system and can I splice in extra wire to extend the length? Relocating the box 12 inches over. : r/DIY
![wiring - 2 wire thermostat wire want to be able to select fan only - Home Improvement Stack Exchange wiring - 2 wire thermostat wire want to be able to select fan only - Home Improvement Stack Exchange](https://i.stack.imgur.com/eH39I.jpg)
wiring - 2 wire thermostat wire want to be able to select fan only - Home Improvement Stack Exchange
![Fast-Stat Common Maker Thermostat Wire Extender (Adds a Common C Connection) FSCM00 - The Home Depot Fast-Stat Common Maker Thermostat Wire Extender (Adds a Common C Connection) FSCM00 - The Home Depot](https://images.thdstatic.com/productImages/bff2c7f8-d99a-4032-966a-4655aa12b5ad/svn/fast-stat-thermostat-sensors-fscm00-4f_600.jpg)
Fast-Stat Common Maker Thermostat Wire Extender (Adds a Common C Connection) FSCM00 - The Home Depot
![Add-A-Wire Accessory, Briidea Common Wire Kit for All 24VAC Thermostats (4 to 5 Wires), White - Amazon.com Add-A-Wire Accessory, Briidea Common Wire Kit for All 24VAC Thermostats (4 to 5 Wires), White - Amazon.com](https://m.media-amazon.com/images/I/618VyCSMKqL.jpg)
Add-A-Wire Accessory, Briidea Common Wire Kit for All 24VAC Thermostats (4 to 5 Wires), White - Amazon.com
![wiring - Can I just extend this blue wire in furnace for Nest thermostat? - Home Improvement Stack Exchange wiring - Can I just extend this blue wire in furnace for Nest thermostat? - Home Improvement Stack Exchange](https://i.stack.imgur.com/UMWdp.jpg)
wiring - Can I just extend this blue wire in furnace for Nest thermostat? - Home Improvement Stack Exchange
![How To Extend Thermostat Wire Photos, Download The BEST Free How To Extend Thermostat Wire Stock Photos & HD Images How To Extend Thermostat Wire Photos, Download The BEST Free How To Extend Thermostat Wire Stock Photos & HD Images](https://images.pexels.com/photos/19701970/pexels-photo-19701970/free-photo-of-tiny-bird-on-twig.jpeg?auto=compress&cs=tinysrgb&dpr=1&w=500)