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Can you wire a sub panel with 3 wires? | replace.me.3-wire subpanel?? I goofed. – ECN Electrical Forums

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3 wire feeder to subpanel free

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electrical – Can I run a sub-panel with only 3 conductors? – Home Improvement Stack Exchange


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Subpanel fed by 3 wire without EGC | Mike Holt’s Forum


Asked 3 years, 4 months ago. Modified 3 years, 4 months ago. Viewed 2k times. Improve this question. Jay Novak Jay Novak 1 1 1 bronze badge. Personally I would follow code as the safest.

Also if an inspector comes out you will have to have followed code for anything you touched. The codes exist for a reason so to knowingly go past one of them is putting yourself at risk — Eric F. Add a comment. Sorted by: Reset to default. Highest score default Date modified newest first Date created oldest first.

Absolutely not. You cannot run 3-wire to your sub-sub-panel. Save money other ways The current subpanel has the same breaker size as the intended feed to the sub-subpanel. The sub-sub does not need a main breaker. Improve this answer. Harper – Reinstate Ukraine Harper – Reinstate Ukraine k 21 21 gold badges silver badges bronze badges.

You make a good point Harper. I do appreciate the input. Maybe best to just spend the time to bring it up to code. JayNovak in that case I should have elaborated. Grounds can be retrofit, so it is possible to run just a ground wire on a different route, even without tearing up the 3-wire cable.

Thanks Harper. I was thinking about going that route anyways. I thought I could pull out what was already there between the garage and the house with a snake and the wire that is already in place looks to already be Aluminum and then just pull it all back with the ground wire attached. I guess I just didn’t want to tackle trying to fish that ground wire from the house to the garage. At least this way I can do what I want without worry. JayNovak Hold on. It’s conduit? And not rusted out. No it isn’t.

The house and garage are connected through a big underground PVC pipe. No lines or metal pipe between the two. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.

I’m still confused Thread starter dennen92 Start date Mar 29, Users who are viewing this thread. Total: 1 members: 0, guests: 1. Messages 2 Reaction score 0 Points 0. Hi everyone this is my first post but I’ve lurked around in here reading other posts for awhile.

I have a question that I know has been asked before but I’m still kinda confused. Here goes I’m a new owner and I’m guessing this was put in years ago. The neutral bar has both neutrals and grounds bonded. The neutral bar is not bonded to the box. I checked the outlets in the barn with a 3 prong outlet tester and they check as being wired correctly. I’ve read other posts that say the grounds and neutrals need to be separated as of the NEC. I put a ground bar in the subpanel now and plan on separating the 2 leaving the neutral bar floating and putting in a grounding rod for the ground bar.

Is this the right way to go at least for now until I can run 4 wire? I’ve read the old NEC allowed 3 wire to be used and neutrals and grounds to be bonded. The NEC does not allow this. This is where I am confused. I just want it to be safe. Is the way it is better than grounding it with a rod and separating them?

Thankyou in advance. With the three wire installation that you have now the neutral, equipment grounding conductors, the panel enclosure and the grounding electrode must all bond together. Under the requirements of the code cycle three wire installations such as you have would be non-compliant.

The cycle requires that an equipment grounding conductor be included with the feeders and the neutral be isolated at the remote panel board. Sponsor Paid Advertisement. Thanks for the quick reply. Ok so I need put in the screw that bonds the neutral bar to the panel?

I’d like to change the wiring to 4 wire in the spring. Messages Reaction score 0 Points 0. You would want a good electrical connection from the grounds back to your main panel. If there was a short from hot to a ground, you would want this to trip the breaker in your main panel should a breaker in your subpanel not trip or a main wire short to ground.


3 wire feeder to subpanel free

UA Apollo First Look user review cowboycoalminer. Connecting an isolated ground Ground rod Only to a sub panel provides NO “Ground fault current path” Even when the Master electrician came out to correct the problem he still did NOT understand what was wrong

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