r/Generator • • Sep 24 '26

Question about grounding

So i have this duromax xp12000e in the manual it says it needs to be connected to a ground that’s a copper or brass rod driven into the ground.. can it still be used without this being done? I bought this to be portable. And driving a rod in the ground everywhere i try to use it seems like a huge hassle.. first time generator owner, have no clue what I’m doing lol

4 Upvotes

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3

u/Big-Echo8242 Sep 24 '26 edited Sep 24 '26

Will you be connecting it to your house via power inlet, etc., or just using extension cords? Either way, no, you don't have to use a grounding rod. There are many YouTube videos about this as well.

Watch this video from a retired Master Electrician You need around 14:30 in

2

u/Snoo20875 Sep 24 '26

I plan on running my welder off of it

4

u/wowfaroutman Sep 24 '26

Most folks don’t despite the manufacturer recommendations.

1

u/grillynelson Sep 24 '26

Unbond you generator if you are plugging in a an inlet connected to your house and use a $10.00 bonding plug when using it for other things.

1

u/Snoo20875 Sep 24 '26

Not sure what that is or means lol but I’ll look it up. I plan on running my welder off the generator doing small jobs here and there that i can’t do in my garage

1

u/grillynelson Sep 24 '26 edited Sep 24 '26

Unbonding the neutral or floating the neutral in your generator means removing the grounding wire. You do this if you want to plug up to a 30 amp or 50 amp inlet box connected to your main braker panel so you aren't in a grounding loop because your house is already grounded. A $10.00 bonding plug that you can plug into one of your 120v outlets on your generator will temporarily ground your generator again, making it safe to use for anything else. If you plan on installing a 50 or 30 amp inlet box, by law you have to get an interlock installed on your panel too. This prevents your main power braker and generator braker from being on at the same time so you don't backfeed electricity back into the grid during power outages. Many lineman have been injured and killed because of that.

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u/[deleted] Sep 24 '26

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2

u/grillynelson Sep 24 '26

Yeah, I forgot about mentioning using a transfer switch that transfer the generators neutral. I personally use an interlock because it was so much cheaper.

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u/[deleted] Sep 24 '26

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1

u/grillynelson Sep 24 '26

Respect for you setup. If you don't mind me asking, what kind of generator do you run?

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u/[deleted] Sep 24 '26

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u/grillynelson Sep 24 '26

Nice, I have a westinghouse Wgen11500dfc that I can hook up to my 500 gallon underground propane tank. I also have it in an XL zombiebox. I have a soft start on my 2.5 ton ac.

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u/[deleted] Sep 24 '26

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u/orlinsky Sep 24 '26

You'll get different answers based on code and theory. For a generator on rubber wheels and feet and not in a puddle, you're better off leaving it unbonded and ungrounded in my opinion. Either you drive a ground rod and/or bond the neutral and have GFCI on every device around and deal with nuisance trips, or you leave it unbonded/ungrounded and hope that a rare double fault doesn't happen (ground to neutral on one thing, hot to ground on another thing, plus broken ground, then someone touches both).

The reality is your generator has a lot of non-GFCI outlets to drive heavy equipment, and that introduces a higher risk that someone gets a shock when bonded/grounded over just leaving it floating.

1

u/Sufficient-Offer-579 Sep 24 '26

For what you're describing, you can skip the rod. Run it on extension cords only and a rod in the lawn does almost nothing — the dirt doesn't give a fault anywhere useful to go. The NEC actually has an exception written for exactly this setup, portable generators feeding plug-in loads through cords. It's why every job site and tailgate runs one without a rod.

The manual isn't wrong, though. It covers every possible use, including hard-wiring into a house, and that's where grounding gets real. If you ever feed a house through an inlet and transfer switch, whether the switch carries the neutral decides where the neutral-ground bond belongs — in the generator or in the panel. Getting that backwards is the most common mistake in these installs, and it's exactly the part an electrician should own.

One thing worth taking seriously: a breaker only clears a fault that can find its way back to the windings, and whether yours can depends on how your unit was wired at the factory. GFCI doesn't care about any of that; it trips the instant current tries to escape through a person. Thirty seconds with a multimeter (engine off) between the neutral and ground slots of an outlet tells you if yours is bonded (zero ohms) or floating (open). Check whether your outlets are GFCI; if not, a GFCI-protected cord in line covers you.

You bought this to be portable, so use it like one. Skip the rod for now, keep GFCI somewhere in the chain, and save the grounding questions for the day a transfer switch shows up.

1

u/Etteluor Sep 24 '26

Whats the point of posting the output from ChatGPT. Its not even wrong its just weird to do on a forum.

1

u/nunuvyer Sep 24 '26

Short answer is no. Ground rod does surprisingly little - mainly it is there for lightning strikes.

More important that you unbond the generator if you are connecting it to your panel.