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05-25-2019, 05:43 PM #51
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- Gardnerville, Nv
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Hi Curtis,
I could have done that yesterday when we had the panel open, but it’s too busy today to do it with the park personnel. BUT, I have a neighbor who has a clamp Meter, and I can do it myself if it’s worthwhile. Can you tell me what we’re looking for or what we’ll accomplish by doing this test so I can decide whether to do it without an employee?
SteveSteve & Sue (pups:Sky & Sierra) Gardnerville, Nv
2017 Refelection 297RSTS
2017 Ford 350 CC 4x4 Lariat Superduty 6.7, Long Bed
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05-25-2019, 05:45 PM #52
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- Dec 2014
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- Fountain Valley, CA
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I want to see what the actual amperage is at the breaker and what is being returned on neutral
Curtis, Christine, Cole, and Charlotte
2007 Chevrolet Silverado Duramax LBZ, CCLB
2020 Momentum 351M
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05-25-2019, 05:51 PM #53
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05-25-2019, 06:12 PM #54
- Join Date
- Sep 2017
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- Bass Harbor, ME
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If the neutral current is less than the hot current, it would mean that you have a leak to ground. If you can read it on the resolution of a clamp meter in the 40A range, it would be a SERIOUS leak to ground. For even small leaks to ground, your EMS should have shut you down.
Al and Kathe
House: Bass Harbor, Maine
Home: Wherever we're parked
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05-25-2019, 06:32 PM #55
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05-25-2019, 07:04 PM #56
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- Dec 2014
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- Fountain Valley, CA
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Thanks Al.
Curtis, Christine, Cole, and Charlotte
2007 Chevrolet Silverado Duramax LBZ, CCLB
2020 Momentum 351M
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05-25-2019, 09:51 PM #57
- Join Date
- Jul 2015
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- Quartzsite until April
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Not necessarily, on 50 amps the two hot legs are supposed to be 180 degrees out of phase with each other. The neutral in these systems only carries the difference in loads of each leg. Example: leg black is passing 20 amps, leg red is passing 5 amps, the current on the neutral is 15 amps (20 - 5).
The two hot legs cancelling each other allows the neutral wire to be sized the same as the hot legs. If this were not the case on a 50 amp RV cord the neutral conductor would have to be significantly larger.
The reason for saying the two hot legs are “supposed” to be 180 degrees apart is I’ve seen reports of RV parks being incorrectly wire with both hot legs in phase. This can cause a serious overloading of the neutral wiring.Last edited by carnolddsm; 05-25-2019 at 10:00 PM.
Colan and Marilyn Arnold
Des Moines, IA - kind of, on the road full time.
Currently in Durango, Colorado
Momentum 350M originally, now a 397TH
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05-25-2019, 09:57 PM #58
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- Nov 2016
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- Florida
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Jerry & Linda
Emma & Abby our Mini Golden Doodles & JR our Amazon Parrot
2017 Reflection 337RLS, Build Date 01/2017, Titan Disk Brakes, Goodyear G614s 235/85/16 G Rated tires
2022 F-450 King Ranch Ultimate, 4,868 lb Payload, Bedrug Bedliner, Andersen Ultimate II Aluminum 5th wheel hitch
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05-25-2019, 09:57 PM #59
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- Dec 2014
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- Fountain Valley, CA
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If the neutral is not matching the output, that is going help to start diagnosing issues.
Curtis, Christine, Cole, and Charlotte
2007 Chevrolet Silverado Duramax LBZ, CCLB
2020 Momentum 351M
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05-25-2019, 10:02 PM #60
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