4/0-4/0-2/0-4 USE-2/RHH/RHW-2 Aluminum Cable assembly

S

Shortcircuited26

Member
Location
SW Washington
Occupation
Electrician
OK, here’s what I have, I’m running4/0-4/0-2/0-4 USE-2/RHH/RHW-2 Aluminum from the meter, which is in front of the house, in 3 inch pipe under the house which stubs up into the attached garage on a sheer wall.
Can I cut the pipe short and run the wires directly into the panel without using the PVC as the connection point? Pictures attached for reference, longtime fan, newer member and first time post much appreciated.
 
Dennis Alwon said:
Yes you can but you cannot5 come out of the meter with a 4 wire cable without first going to a disconnect
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Dennis, that cable has to be in conduit (unless it's direct buried) all the way, and connected, to the enclosure. I would either not use the EGC, or take it out of the cable. There is no place to terminate it in the meter.
 
Then the 4 wire would be correct from the disconnect to the panel but individual conductors would need to be in a raceway or direct buried if so listed.
 
Shortcircuited26 said:
I see. In other words the answer to my question is no I’m keeping the wire in the pipe all the way to the panel. Thank you both for the responses and help on this issue!
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A 3" PVC conduit is overkill for that cable, 2" would be ample. If you already ran the 3", you could use a reducer at the panel, or under the house, as it most likely doesn't have a 3" KO.
 
Little Bill said:
A 3" PVC conduit is overkill for that cable, 2" would be ample. If you already ran the 3", you could use a reducer at the panel, or under the house, as it most likely doesn't have a 3" KO.
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Yes, the homeowner pre-ran everything in 3 inch pipe. I love the idea of the reducer because unfortunately he doesn’t want any wires in the wall, he wants it surface mount because it’s a sheer wall so I’m probably gonna do an offset into the bottom of the panel. Thank you for the response.
 
augie47 said:
If the homeowner ran the pipe I hope he kept in mind the requirement for Sch 80 where it emerges from the ground.
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In 300.5(D)(4), I only see a requirement for Schedule 80 if the raceway is subject to damage. Do you make the judgement that all exposed raceways emerging from grade are subject to damage?

Shortcircuited26 said:
What is your concern regarding the pipe into the meter?
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The comment was based on exposed raceway to a surface mount meter. Enclosed in the wall, I see nothing that would require Schedule 80.

Cheers, Wayne
 
Sorry, I had to figure out how to downsize the picture data to deliver this
wwhitney said:
In 300.5(D)(4), I only see a requirement for Schedule 80 if the raceway is subject to damage. Do you make the judgement that all exposed raceways emerging from grade are subject to damage?


The comment was based on exposed raceway to a surface mount meter. Enclosed in the wall, I see nothing that would require Schedule 80.

Cheers, Wayne
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This website is awesome. Thank you all for taking the time to help me out. 🙏
 
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