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re: Transfer switch/interlock, come learn me something
Posted on 5/19/24 at 10:43 am to Ingeniero
Posted on 5/19/24 at 10:43 am to Ingeniero
Will depend on your panel. Get an electrician to come out or post pictures of your outside and inside panels here and someone can point you in the right direction.
My house has a weird panel/sub panel setup where the “main” is outside and houses main breaker and ac breaker, the subpanel is clear across the house inside and has all the appliance/light breakers. Electrician had to add another panel that branched off my main outside, left the main breaker in its original location and added a secondary main with the ac breaker and an interlock to switch to generator power + a 50amp input. Cost me right around $900 installed.
With this setup I can run lights, fridge, etc and 2 5000btu window units on a Firman TriFuel running natural gas. I’m right around $2k all in.
My house has a weird panel/sub panel setup where the “main” is outside and houses main breaker and ac breaker, the subpanel is clear across the house inside and has all the appliance/light breakers. Electrician had to add another panel that branched off my main outside, left the main breaker in its original location and added a secondary main with the ac breaker and an interlock to switch to generator power + a 50amp input. Cost me right around $900 installed.
With this setup I can run lights, fridge, etc and 2 5000btu window units on a Firman TriFuel running natural gas. I’m right around $2k all in.
This post was edited on 5/19/24 at 10:46 am
1
Posted on 5/19/24 at 11:57 am to jordan21210
quote:
My house has a weird panel/sub panel setup where the “main” is outside and houses main breaker and ac breaker, the subpanel is clear across the house inside and has all the appliance/light breakers.
I don’t know how “weird” this is as I have the same set up (maybe the same electrician wired our houses when they were built - lol).
In my case, we decided it was best to replace the “main” panel outside to accommodate a generator outlet with interlock kit. I have the same Firman TriFuel portable generator. All parts & labor to install the new main electrical panel, 50 amp generator outlet, a generator electrical cord whip was $1K, generator $600 (?) - I’d say $1750 - for my set up. Several months later while the electrician was at the house doing some interior work for me I had him install a whole house surge protector - this was after I installed a new HVAC system. Pics below.
Old Main Electrical Panel
New Main Electrical Panel with Interlock kit and generator plug outlet
Main Panel with Whole House Surge Protector Installed
Close up of interlock kit on new main panel. Note the 20 amp circuit breaker at lower left is for the whole house surge protector.
The whole house surge protector I chose to install - the electrician approved it.
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