SE cable underground
- Thread starter dougp
- Start date
qcroanoke
Sometimes I don't know if I'm the boxer or the bag
- Location
- Roanoke, VA.
- Occupation
- Sorta retired........
You can run SER in conduit. But it cannot be buried in or out of conduit.
- Location
- Chapel Hill, NC
- Occupation
- Retired Electrical Contractor
Isn't there a bare equipment grounding conductor. An aluminum conductor cannot be installed underground without a jacket or insulation.
- Location
- New Jersey
- Occupation
- Journeyman Electrician
Since it's THHN/THWN I'm assuming that it's copper? Cannot be underground regardless of conductor type.
curt swartz
Electrical Contractor - San Jose, CA
- Location
- San Jose, CA
- Occupation
- Electrical Contractor
All of the AL SER cable I have purchased the past 10 years or so has been THHN/THWN. Previously it was always XHHW.
electrofelon
Senior Member
- Location
- Cherry Valley NY, Seattle, WA
You could strip it and pull in the inners unspliced along with a new insulated EGC spliced to the bare EGC.
letgomywago
Senior Member
- Location
- Washington state and Oregon coast
- Occupation
- residential electrician
Got some 6666 and 4/0 4/0 4/0 2/0 from republic that was 100% xhhw AL couple months ago.
Birken Vogt
Senior Member
- Location
- Grass Valley, Ca
I was going to say it has always been XHHW but I bid a job last week and saw a box full of THHN SER 4/0 - 2/0. Mfd. 2022.
electrofelon
Senior Member
- Location
- Cherry Valley NY, Seattle, WA
Yeah I have seen both. The southwire spec sheet says:
"Conductors. Individual Conductors Rated XHHW or THHN/THWN Jacket and Inner Conductors are Sunlight Resistant."
I wonder if every Monday the guys at the plant flip a coin to see what they're going to make the inners out of that week.
