i searched the other posts on this and cant find where anyone positivly answers the question will the mep-003 operate and do it safly with the neutral bond seperated from ground . i have a mep-003 and my house is set up as a non seperately derived system yes i have the transfer bar so you cant have the generator breaker on when the mains are on it blocks one breaker or the other an answer would be a great help thanks in advance
IMO better to put in an earth ground for the generator also. But my house is wired with the generator two hot 110 legs and the neutral to the neutral buss and the ground to the neutral buss. The earth ground for the house acts as the ground for the genset(for now) but I plan on putting in the grounding rod (better safe than sorry). So yes I think you can safely setup (as you asked) as that is how mine is setup by an ex power company (25 years) electrician.
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I grounded my generator with its own ground rod. Also bonded it.to the metal gas line in the ground. I did not pull a.ground from the generator to the transfer switch or house panel. Passed inspection just fine.
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1993 AM General M35A3 w/w
2006 Chevy 2500 Quigley 4x4 conversion van
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Perhaps I did not answer the specific question. No, I did not bond the gen neutral to the gen ground. When powering your house like that, bonded at both the gen and panel would create a path for circulating current and is frowned upon.
Neutral should only be bonded to ground at one place--service disconnect. Gen will run fine.
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1993 AM General M35A3 w/w
2006 Chevy 2500 Quigley 4x4 conversion van
2005 Jeep Grand Cherokee Ltd 4x4
1955 Ford 650
1984 FXSB
2003 FLHRI
Two of the loudest sounds in the world are hearing a click when expecting a bang, and hearing a bang when expecting a click.
Last edited by shovelheadmike; 11-04-2011 at 14:38.
The pole transformer for standard supply has the neutral bonded. The gen set should be as well afaik check NEC. There is no ground loop through physical earth. Wired earth ( protective earth) yes, but the soil, no.
i searched the other posts on this and cant find where anyone positivly answers the question will the mep-003 operate and do it safly with the neutral bond seperated from ground . i have a mep-003 and my house is set up as a non seperately derived system yes i have the transfer bar so you cant have the generator breaker on when the mains are on it blocks one breaker or the other an answer would be a great help thanks in advance
According to this the generator neutral (grounded conductor) is not to be bonded the grounding electrode system. However the generator ground (grounding conductor) is to be bonded to the grounding electrode system.
In other words keep the generator neutral isolated from the generator ground but make sure the generator neutral is connected to the house neutral and the generator ground is connected to the house ground. There is only one point where the neutral and ground are connected together and that is at the house service panel (or meter).
All of this is based on your description of a Non-Separately Derived System.
When I first came here, this was all swamp. Everyone said I was daft to build a castle on a swamp, but I built in all the same, just to show them. It sank into the swamp. So I built a second one. That sank into the swamp. So I built a third. That burned down, fell over, then sank into the swamp. But the fourth one stayed up. And that's what you're going to get, Lad, the strongest castle in all of England. - Monty Python and the Holy Grail
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yes i do have a ground rod at the generator neutral is hooked up with a 200 amp battery disconnect switch so i can have it bonded or unbonded my concern was will the mep-003 run and operate correctly with the neutral unbonded at the gen it will be bonded at the service panel
You only want one point of bonding. It is to be done at your point to disconnect (your main breaker). make sure the frame of your gen set is grounded for safety.
yes i do have a ground rod at the generator neutral is hooked up with a 200 amp battery disconnect switch so i can have it bonded or unbonded my concern was will the mep-003 run and operate correctly with the neutral unbonded at the gen it will be bonded at the service panel
Do you have a wire that connects your neutral (grounded conductor) to the generator frame?
When I first came here, this was all swamp. Everyone said I was daft to build a castle on a swamp, but I built in all the same, just to show them. It sank into the swamp. So I built a second one. That sank into the swamp. So I built a third. That burned down, fell over, then sank into the swamp. But the fourth one stayed up. And that's what you're going to get, Lad, the strongest castle in all of England. - Monty Python and the Holy Grail
neutral bonding at the generator
: Progress
