potato
Well-known member
- First Name
- John
- Joined
- Feb 1, 2024
- Threads
- 0
- Messages
- 292
- Reaction score
- 450
- Location
- BC, Canada
- Vehicles
- 2023 F150 Lightning XLT ER
That's all true. But the truck does have GFCI so it should interrupt the current if there's a discrepancy between current going out and current coming back in (i.e. a real ground fault in connected equipment). So I don't think having no physical ground would be all that unsafe.But is that really true? His "house panel" is actually grounded. With a real ground rod. Yes, the distance (and thus impedance/resistance) from the outbuilding to the house ground rod creates some safety issues. But at least there is a real safety ground.
Our trucks are floating islands of electricity. They are not grounded. At all. Their only contact with the "earth ground" is through four patches of rubber that are pretty good insulators. So as best I can tell, if you do the obvious thing that people are suggesting above (just set a 100 amp breaker panel, and attach the four wires from the truck to the panel with neutral NOT bonded to ground), you have no safety ground. No return path for stray current.
To me, that isn't very safe. Not to say that I wouldn't do it - just that the OP should be aware of the issues.
Now, just before anyone accuses me of being a purist, let me tell you that I am using my truck to charge my solar system batteries on my ranch (not a grid tied system, fully off grid). To do that, in order to avoid a ground fault, I am only carrying the two hot circuits through to my inverter/charger. I am just leaving ground and neutral from the truck floating. That is clearly a bad idea lol But it is working...
But myself I would go the full sub panel with a ground rod route, same as you did in your off grid system. Then you could hook up another generator/power source that didn't have ground fault protection if you wanted.
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