used genny and transfer switch

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GerryB

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woodbridge, ct. USA
A friend of mine is concerned (overly I think) over control wires for a generator. He has a new house with power lines out to the genny location, but no control wires were run. He bought a used 16 k generac and a Briggs and Stratton ATS. The manuel says to run 16-5 control wire. I told him as did another electrician that 18-5 is fine. (with 300 volt insulation). He's very handy and wants to do it himself. To confuse him further a Generac tech told him he can't use 18 gauge because it's 240 volt, and that he runs a 14-3 and a 14-2 romex, (makes no sense to me). Any one think there is any issue with 18 gauge wire with 300 volt insulation?
 
Back up a bit.... I’m not sure the Generac genny will work with a Briggs and Stratton transfer switch anyway.
 
In those Generac transfer switches the 240V goes out to the generator thru two 10A (I think) fuses. Generac uses a dumb transfer switch in that the the loss of that 240V at the generator is what starts it. If the B&S is a smart switch (meaning it tells the generator to start) then you may be able to use a simple two wire to start it, depending on what controller is in the generator.


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matthew.schenck.12 said:
In those Generac transfer switches the 240V goes out to the generator thru two 10A (I think) fuses. Generac uses a dumb transfer switch in that the the loss of that 240V at the generator is what starts it. If the B&S is a smart switch (meaning it tells the generator to start) then you may be able to use a simple two wire to start it, depending on what controller is in the generator.


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Thanks, I am going to see it today. It looked like you needed 4 wires on the diagram, two going to the N1 n2 .
 
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