Videos of wiring a furnace switch Click to view on YouTube5:04How to install the power switch for furnace58K viewsYouTube · 5 years agoClick to view on YouTube14:44HVAC: How to Wire a 110 volt Furnace Switch & Furnace Switch Receptacle | HVAC Repair Louisville Ky59K viewsYouTube · 8 years agoClick to view on YouTube3:55Install fan switch/wiring on furnace "GREEN WIRE" EASY FIX5 viewsYouTube · 4 years agoClick to view on YouTube16:39Gas Furnace Combination Switch Installation19K viewsYouTube · 1 year agoClick to view on YouTube31:55RicksDIY How to Wire generator transfer switch to a Gas Furnace DIY install Instructions10K viewsYouTube · 6 years agoClick to view on YouTube4:56Furnace Diagnostics & Troubleshooting - Motor, switches, wiring & much more92K viewsYouTube · 5 years agoSee more videos of wiring a furnace switch How to Wire 110V for a Furnace | eHow How to Wire 110V for a Furnace. The blower and control circuit for a modern gas furnace uses its own 110 to 125 volt circuit breaker. A single sheathed cable runs from the circuit breaker to a single-pole light switch located next to the furnace. The switch connects to the furnace inside a wiring box. The furnace uses the power directly to run the..