Home » Generators » Wiring a generator transfer switch to a furnace circuit breaker

Wiring a generator transfer switch to a furnace circuit breaker

 

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I have a series of videos I’ll be uploading over the course of the next week regarding the wiring and install of the Heezy HTS15 transfer switch.

 

Today the video is how to wire a generator transfer switch to a furnace circuit breaker. If you have done any electrical work before, this video might be a little slow and seem simple. It’s over 40 minutes long and I’ve tried going into detail about everything you need to know about wiring a generator transfer switch to a circuit breaker.

 

 

The video

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Comments

  1. Luke says:

    HI Rick,

    I found your site earlier today by searching for instructions on how to run a gas furnace off a portable generator. I really like your videos that show how to do everything. My circuit breaker panel is in my garage that is sheetrocked. You mentioned in this video that you would show how to install the transfer switch by punching a hole in the sheetrock. Have you done this yet? If so, can you please add that video?

    If you haven’t made a video yet, can you try to describe how you would do it? My furnace is in the basement and I could run an extension cord all the way down the stairs and into the utility room, but I think it would be better if I could have the transfer switch in the garage and have the extension cord ran under the garage door to the generator sitting outside.

    Thanks for all of your great instructional videos and I look forward to hearing back from you.

    1. Rick says:

      Hi Luke, I’m going to do my best and get that done this next week. It’s been on my agenda but I’ve been swamp with work and trying to get things done around the house…as always. But this is what I do; shut off your main breaker unless you like living dangerously. Take off the cover to your breaker panel. The sheet rock usually isn’t right up to the edge but even if it is, look at the inside of the panel and you will see many knock-out locations where you would bring your wiring through…find an area on the bottom if there is room where one is easily available to the edge/front and or side if you can understand me…basically where you can punch it out and have room to bring wire through without too much trouble.

      Use a flashlight and if necessary a drywall saw to inspect on that side or bottom to see if there is any other wiring or conduit which may be in the way from the outside of the breaker panel. you may need to cut a small 1/4″ section away if the sheetrock is too tight…don’t worry your panel cover has a large lip to cover this gap. If the spot looks clear on both sides I would then cut out an area as wide as the conduit on the transfer switch… maybe a 3/4″- 1″ width and start with an inch long form the panel. Knock out the hole with a screw driver and hammer and try and feed your wire through and then the conduit connector and place the nut on and tighten down. At this point you should be able to screw the transfer switch down if the conduit hangs up just cut enough away to make due. You can then come back later with joint compound if you wish to fill in the gaps….wire as necessary and then put the cover back on…

      I’ll try and cover another method in my video…I’ll post an update here with the link when I get it up…thanks for the reminder! good luck and be safe:)

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About Rick

I've been an HVAC/R Mechanic working in the Seattle area for over 15 years, specializing in the commercial service industry.. I’m also a Licensed Electrician & Gas Piping Mechanic and have numerous other trade related certifications. I’ve instructed at local trade schools and now continue teaching through this site.

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