SER in wall cavity


Old 01-10-05, 09:02 AM
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SER in wall cavity

I am hooking up a 100amp subpanel in my basement using #1 SER aluminum. Is it safe (or within the NEC code) to run this feeder wire through a wall cavity? Worried the next owner may drive a nail thru the wall.

Thanks for the advice.
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Old 01-10-05, 11:02 AM
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Sounds like a problem for the next homeowner. Seriously, SE cable can be run in the same locations and in the same supporting manner as NM (Romex) cable. Use nail plates where required.
Old 01-10-05, 11:20 AM
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Thanks for the input.

I do have a follow-up question. What is the difference between #1 SER and #1/0 SER? (what does the /0 at the end mean)
Old 01-10-05, 12:37 PM
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1/0 is heavier wire than 1.
Old 01-10-05, 05:28 PM
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American Wire Gage

When the American wire gage was devised the number one was assigned to the largest wire they could imagine using. They were wrong of course and as larger sizes became necessary they added size 0; usually said ought; then 1/0, 2/0, 3/0, and 4/0 before they gave up and used another system to describe larger wire sizes.
Tom H

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