Sch 40 Vs 80 For Underground - Electrical - Page 2 - DIY Chatroom Home Improvement Forum
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Old 02-23-2019, 08:40 AM   #16
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Re: Sch 40 vs 80 for Underground


Quote:
Originally Posted by curiousB View Post
No wide sweep bends for the 90s underground. For 2 its a bend radius of 10 or more or youll never be able to pull cable. Use LB fitting at sides of buildings.
Got it, will get 90 degree bends and put the LBs at the sides of buildings. Do I also need an LB at the main panel side or just the subpanel side. I was thinking just the subpanel side b/c that is the only place where the wiring needs to go inside (my main panel is already outside)

Quote:
Originally Posted by rjniles View Post
Not sure where you are getting these numbers but with THWN conductors the minimum size with Sch 80 would be 1.25". Fill cannot exceed 40%.

Unless you have a typo and mean 1.5"
I think he meant 1.5" because my original question was about 1.5"
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