Bad neutral maybe?
- Thread starter nickelec
- Start date
- Status
- Location
- Placerville, CA, USA
- Occupation
- Retired PV System Designer
That is certainly a good candidate! 
If not there, then somewhere else in neutral path.
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If not there, then somewhere else in neutral path.
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JFletcher
Senior Member
- Location
- Williamsburg, VA
Customer called with an issue involving a few ckts. I took a reading at the panel and had intermittent voltage from 100 be on b phase to 140 on a phase
Maybe this was the problem?
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Was that the meter base for shore power for the Titanic?
For the sake of others finding this topic in the future, perhaps a mod can change "nutreal" to "neutral".
- Location
- Placerville, CA, USA
- Occupation
- Retired PV System Designer
- Location
- Placerville, CA, USA
- Occupation
- Retired PV System Designer
What caused it to corrode like that?
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K8MHZ
Senior Member
- Occupation
- Electrician
And why are only the connectors affected? The conductors look nearly free of corrosion, especially the neutrals.
drcampbell
Senior Member
- Location
- The Motor City, Michigan USA
- Occupation
- Registered Professional Engineer
It looks like the cable clamps are steel?
kwired
Electron manager
- Location
- NE Nebraska
- Occupation
- EC
Looks like SE cable - take a look at the other end of the cable - I'd bet there isn't sufficient enough drip loop or "gooseneck" and water is entering that end and running down inside the cable and ending up on terminations. Could even have compromised jacket along the cable - you should have fixed or replaced this or it will happen again, though it may take another 20-50 years before it fails again.
mopowr steve
Senior Member
- Location
- NW Ohio
- Occupation
- Electrical contractor
So, what were the #10 conductors for that were cut off just hanging there?
There used to be a separate meter for the hot water heater that's not in use any more
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- Location
- Placerville, CA, USA
- Occupation
- Retired PV System Designer
Some POCOs provided a lower rate per kWh for water heating. Others ran the lower element of water heater off the combination of separate meter and off-peak time clock.There used to be a separate meter for the hot water heater that's not in use any more
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- Location
- Tennessee NEC:2017
- Occupation
- Semi-Retired Electrician
There used to be a separate meter for the hot water heater that's not in use any more
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Looks like that SE cable sheathing coming into the meter is not all the way in that hub.
- Location
- Tennessee NEC:2017
- Occupation
- Semi-Retired Electrician
I should have zoomed in, I see it now that you explained!
JFletcher
Senior Member
- Location
- Williamsburg, VA
Why just one ground rod? Did it test <25ohms, local exception to two, ???
There's another one off to the right you can't see in the picture
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K8MHZ
Senior Member
- Occupation
- Electrician
No inter-system bonding connector?
ptonsparky
Tom
- Occupation
- EC - retired
I was hoping that he wasn't quite done yet, or it was inside somewhere, then maybe that it was closer to the other 10' rod.
One of the reasons I don't post pictures of finished work. Nitpickers abound.
- Status