Joe.B
Senior Member
- Location
- Myrtletown Ca
- Occupation
- Building Inspector
Sorry, for whatever reason it won't let me rotate... And not sure why it posted twice...
None.If it won't work with a single pole breaker, is there any reason not to use a 2 pole breaker & leave 1 leg unused?
What would get rid of the problem is installing a 120->240/120 transformer. 120v from the generators and 120/240 into the panel interlock. I dont know if the little honda inverter generators would be able to magnetize the transformer before tripping on overload.
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Substantial overloading that continuously lights the overload alarm (red) may damage the generator(s). Marginal overloading that temporarily lights the overload alarm (red) may shorten the service life of the generator(s).
Sounds like a plan!So I ended up ordering an interlock from SqD for the panel. I also ordered a generator cord with a 3-wire (L5-30) cord caps. When I got the cord, it came with a (L5-30) 3-wire to (L14-30) 4-wire adapter. Since I haven't got the 3-wire inlet yet due to SH not having it, do you think installing a 4-wire inlet and using the adapter would be ok? I was also thinking should they ever decide to go with a larger gen set the inlet would already be there. What I plan on doing is either get the 3-wire inlet or 4-wire with adapter, then use a 2-pole 30A breaker with a jumper. I think this would work as long as the interlock is in place and the 30A breaker is not turned on while on Utility power.
Any problems with this set-up, especially using the adapter?
So I ended up ordering an interlock from SqD for the panel. I also ordered a generator cord with a 3-wire (L5-30) cord caps. When I got the cord, it came with a (L5-30) 3-wire to (L14-30) 4-wire adapter. Since I haven't got the 3-wire inlet yet due to SH not having it, do you think installing a 4-wire inlet and using the adapter would be ok? I was also thinking should they ever decide to go with a larger gen set the inlet would already be there. What I plan on doing is either get the 3-wire inlet or 4-wire with adapter, then use a 2-pole 30A breaker with a jumper. I think this would work as long as the interlock is in place and the 30A breaker is not turned on while on Utility power.
Any problems with this set-up, especially using the adapter?
I didn't know the L5 side of the adapter would make both poles of the L14 hot.4 wire inlet going to 2 pole 30A breaker with both poles jumpered? Bad idea for when someone down the road plugs a 4 wire generator in.
Install a 4 wire L14-30 inlet and use one of the L5-30 -> L14-30 adapters that have both sides of the L14-30 hot. Don't wire anything jumpered, let the special adapter do it. That way the fixed premise wiring is standard.
I didn't know the L5 side of the adapter would make both poles of the L14 hot.
Whoops! Didn’t notice he was jumpering it at the breaker, as others have said, I believe the adapter has it jumpered.4 wire inlet going to 2 pole 30A breaker with both poles jumpered? Bad idea for when someone down the road plugs a 4 wire generator in.
Install a 4 wire L14-30 inlet and use one of the L5-30 -> L14-30 adapters that have both sides of the L14-30 hot. Don't wire anything jumpered, let the special adapter do it. That way the fixed premise wiring is standard.