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Posted by Bill on August 20, 2008, 5:39 pm
I like the idea of 50' of #6.
I Think 4 is over kill for 50'. Not allot of current draw here.
>> What is a good rule of thumb for the length of wire?
>> I read where you should not exceed 25' from the 'Transfer Panel" to your
>> "Main panel", and 25' from the Generator to your "Transfer panel".
>> I can understand 25' from transfer to the main, because the number of
>> wires,
>> but I have a need to run 50' from my 7550w generator to the transfer
>> panel.
>> (10/3wG).
> My 7500 has maybe 6 or 8 ga outside, research it you might need 4 ga
> at that length.
> I have an 8KW @ 110 feet and wire size is #6.
>
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Posted by Craig M on August 23, 2008, 1:11 pm
I think the reason for shorter runs from main to transfer panel is that from
gen to transfer is 240 v, so amps is less, from transfer to main its going
to be 120 v, so amps will go up, and most panels are wired with 12 ga wire,
just keep in mind, overall its the toal watts that count, and running from
gen to transfer panel, I would go over kill on the line there, because its
all going through that line.
> What is a good rule of thumb for the length of wire?
> I read where you should not exceed 25' from the 'Transfer Panel" to your
> "Main panel", and 25' from the Generator to your "Transfer panel".
> I can understand 25' from transfer to the main, because the number of
> wires, but I have a need to run 50' from my 7550w generator to the
> transfer panel. (10/3wG).
>
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Posted by Dottie on August 25, 2008, 7:27 pm
> I think the reason for shorter runs from main to transfer panel is that from
> gen to transfer is 240 v, so amps is less, from transfer to main its going
> to be 120 v, so amps will go up, and most panels are wired with 12 ga wire,
> just keep in mind, overall its the toal watts that count, and running from
> gen to transfer panel, I would go over kill on the line there, because its
> > What is a good rule of thumb for the length of wire?
> > I read where you should not exceed 25' from the 'Transfer Panel" to your
> > "Main panel", and 25' from the Generator to your "Transfer panel".
> > I can understand 25' from transfer to the main, because the number of
> > wires, but I have a need to run 50' from my 7550w generator to the
> > transfer panel. (10/3wG).
The people I know who have transfer panels have them located almost
side by side with the circuit breaker box. One of these people is an
electrician... they just use real long extension cords to connect to
the generators. The generators are placed outside the garage - some
in the driveway and one is outside the side of the garage. The
installer cut a hole in the concrete large enough for a cord to go
through and then put a removable metal plate over it to cover when not
in use. This way the owner could anchor the generator to a piece of
metal embedded in concrete in the ground so the generator would not be
stolen.
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>> I read where you should not exceed 25' from the 'Transfer Panel" to your
>> "Main panel", and 25' from the Generator to your "Transfer panel".
>> I can understand 25' from transfer to the main, because the number of
>> wires,
>> but I have a need to run 50' from my 7550w generator to the transfer
>> panel.
>> (10/3wG).