THHN #6 stranded for GEC to ground rods...
- Thread starter sw_ross
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mopowr steve
Senior Member
- Location
- NW Ohio
- Occupation
- Electrical contractor
Those aren’t listed for use outside direct burial.
Eddie702
Licensed Electrician
- Location
- Western Massachusetts
- Occupation
- Electrician
Stranded is fine around here, insulated or not doesn't matter.
Dsg319
Senior Member
- Location
- West Virginia
- Occupation
- Wv Master “lectrician”
Seen some MC paralleled for a GEC today. Take that….
LarryFine
Master Electrician Electric Contractor Richmond VA
- Location
- Henrico County, VA
- Occupation
- Electrical Contractor
More specifics, please.
Dsg319
Senior Member
- Location
- West Virginia
- Occupation
- Wv Master “lectrician”
Looked like MC anyhow, could of been AC. Probably not even attached to anything anymore though because the lodge has an updated service. Unless it goes to something else.
If my memory serves me correct I believe it was around 3C #12 to a pipe in the earth.
romex jockey
Senior Member
- Location
- Vermont
- Occupation
- electrician
gec's aside...it dawned on me today the copper in my truck might actually be worth more than......my truck...
~RJ~
James L
Senior Member
- Location
- Kansas Cty, Mo, USA
- Occupation
- Electrician
HD sells 'em listed for direct burial, too
Commercial Electric Bronze Ground Clamp 1/2 - 1 in.-J-B1-25 - The Home Depot
The Blackburn 1/2 - 1 in. Type-J Bronze Ground Clamp connects a ground conductor to a water pipe or copper tube. This ground clamp offers corrosion-resistant screws and a highly conductive copper alloy
www.homedepot.com
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brantmacga
Señor Member
- Location
- Georgia
- Occupation
- Former Child
I use stranded GEC and a one-shot.
Has anyone here used the Hammerlock connection? I’ve been meaning to order some. Seems like a good product.
nVent ERICO Hammerlock Ground Clamp
The nVent ERICO Hammerlock irreversible mechanical connection connects the grounding conductor to the ground rod. Machined from highly conductive copper, the state-of-the-art Hammerlock provides a low resistance connection designed to withstand ground fault currents and lightning transients. The...
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Fred B
Senior Member
- Location
- Upstate, NY
- Occupation
- Electrician
gec's aside...it dawned on me today the copper in my truck might actually be worth more than......my truck...
shhh
Dsg319
Senior Member
- Location
- West Virginia
- Occupation
- Wv Master “lectrician”
Actually took a closer look yesterday and seen that it has just one single solid conductor in it.
Even today? I have dug this stuff up with all the strands so brittle and breaking there isn’t a primary neutral left.
We haven’t buried CN cable in 30+ years.
kwired
Electron manager
- Location
- NE Nebraska
- Occupation
- EC
most the underground primary around here that is maybe 40 years or older is exposed concentric neutral, direct buried.
kwired
Electron manager
- Location
- NE Nebraska
- Occupation
- EC
Exposed neutral only or you don't use CN at all for last 30 years or so? Here it has been CN with an outer covering for 30+ years. Before then they had exposed concentric neutral.
Exposed neutral is CN cable.
JCN is Jacketed Concentric Neutral
We have only used JCN cable over the last 30 years
electrofelon
Senior Member
- Location
- Cherry Valley NY, Seattle, WA
This job I looked at was a house that was built in around 1999. I was surprised too I didn't think anybody used uncovered CN anymore. It was definitely uncovered, unless they stripped the jacket off all the way down to the bottom of the vault.
Many years ago CP&L specs used to call for the jacket to be stripped back to 6” above grade in transformers and vaults.
I don’t think anyone actually does that.
electrofelon
Senior Member
- Location
- Cherry Valley NY, Seattle, WA
I will be back there reworking the conductors into the pad/vault, I'll take a closer look.
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