You are right about my taking things seriously, and learning anything I can, and this discussionm has not only been very helpful, it's also very intriguing, I'm one of those people who hates not knowing what is... LOL which motivates me to learn quickly whenever possible, really appreciate all the help here.
What you describe, I've been able to understand, I think, neutral and ground bonded at the service panel only, if you don't use a 3 pole switch from the generator, without knowing I can match the existing circuit, as it might not have the equipment ground but should have the same neutral or can I match the 4 pole neutral to the 3 pole neutral, not sure what to do about the equipment ground if my existing circuit does not have it. This might sound absolutely ridiculous, but could you somehow run that equipment ground externally with the appropriate size conductor, temporarily back to the panel to match things properly, I know it would be best change the conductor from the receptacle to the panel, to match, say using 6-3 or larger but am working with what I have on hand, for a temp fix here. Well with the power back on and the fact that I'll be going after a complete back up generator set, which will include another back up, I will see what can be done to be able to use my welder as back up to that, with correctly wired, switched equipment as needed to do it right, this situation we have discussed may not ever need to occur.
Good learning discussion here just the same.
It would make sense to use a switch, and I think that might only be the thing I don't follow. If you wire in a transfer switch, both legs L1 L2 can be open and closed, the generators neutral stays bonded, to it's frame if you use the switch, not so if you use a jumper 6-3 and plug ends.
This is where I get confused as if you just ran the 6-3 w/equipment ground as a jumper, no switch, would'nt the neutral now be a closed circuit in both scenarios all the way back to the panel if it were still bonded at the generator and require that the generators neutral jumper be disconnected to meet the criteria of having it bonded only at the panel, to avoid being energized and creating the associate hazard? Just trying to understand the difference on that. What happens when you use a switch, is the neutral bonding just contained in a loop from the switch and short lenght of conductor to the generator, leaving the neutral from the load side of the switch only bonded to ground back at the panel for the run between the panel, using the existing #4 alcoa conductor, (*ECELLOY TYPE SE STYLE SEU TYPE XHHW COMPACT CDRS 300V TO GRD 3CDRS SIZE 4 AWG) If disconnected at the generator, basically current is flowing from the generator to the panel buss bar, if that neutral was still bonded, you are saying that when either of the legs becomes unbalanced the neutral balances it out, hence the reason to never mix that neutral with an equipment ground due to the equipment ground being energized, no argument there, that would not be good.
Thinking about this, and simplifying it, based on what I think I've learned here, I guess the main question was that can I safely wire from a 4 pole L1, L2, N and Grnd to a 3 pole 250/125 volt 50 amp receptacle wired with(*ECELLOY TYPE SE STYLE SEU TYPE XHHW COMPACT CDRS 300V TO GRD 3CDRS SIZE 4 AWG)to the panel ? Obvious after reading the nomneclature on the existing conductor it may not have the equipment ground ? Still have to consider the load on that 6-3 w/ grnd to alcoa #4 awg, assume that to be 4-3, with no eq. ground, but that I can control by jockeying circuit breakers and run what I can when I can, to make sure I don't draw too much current which I assume is measured in amperes. Some of this is simple to understand, but other parts take some time to absorb, good influence because I'll want to learn more on this to have a little better working knowlege, can't hurt that is for sure !
Don't mind me, not my strong point and like you say, kind of difficult to explain things that take years and experience to learn, this is true, no way I could explain what it has taken years to learn either, I find that to be true when it comes the to construction industry, there is an awful lot to learn and know, don't happen over night.
As I understand it:
Generator feeds out through a 4 pole female receptacle directly on the unit, I wire up a 6-3 with equipment ground pigtail to match with 4 pole male end to plug into the generator, then wire the other end to a transfer switch near the generator, then coming off that transfer switch with 6-3 & equip ground, I need to connect to or determine that I can connect to that existing 250/125 50 amp 3 prong receptacle wired to the Alcoa #4AWG, which does not appear to have an equipment ground using a matching 3 prong plug, 2 legs stay the same, neutral to neutral stays the same, assuming the switch has lugs or terminals for the neutral and it is always connected, now bonded at the generator and service panel, (need to know whether to disconnect that gen neutral bond depending on the arrangement - understood)
I know this is a bit redundant and lengthy, always seems to happen when there is a lack of sleep or down time, mind goes on over drive, thanks so much again !
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