2/0 SE in wall

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will49270

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Location
Michigan
Occupation
Engineer
HELP! I'm replacing an old Federal Pacific 100-amp panel with a 200-amp Square D Hameline panel, so I will need to upgrade the service entrance cable and want to use 2/0 THHN copper. The outdoor meter can/box is mounted low, (30" grade at bottom edge of can) outside, so if we use the bottom rear 2-inch knockout of the meter can, it will put the hole through the wall below the bottom edge of the new breaker panel ( first means of disconnect) by about 8 inches, so I will have to make a vertical 90 upwards turn from hole in wall to bottom knockout of the new panel. I cannot find a 2" close 90 PVC electrical fitting so I'm guessing they don't make one. My question is: how do I make that vertical 90 turn upwards? It will eventually be covered in drywall. Do I need to have the inside copper leads in conduit at all? If I use switch to 4/0 aluminum, do I need conduit inside the wall cavity? thanks in advance!
 
I am closing this thread in accordance with forum rules. This forum is intended for use by electricians and electrical contractors, inspectors, engineers, and vendors with their job-related duties. We are not allowed to provide how-to advice to persons who are not employed in this industry, or persons who do not perform electrical installation or maintenance as part of their jobs. Engineers are welcome to participate, but only if their questions do not involve attempts to perform their own electrical installation, troubleshooting, or maintenance work.

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