dryer circuit to 4w

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  #1  
Old 09-28-12, 02:58 PM
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dryer circuit to 4w

I've got a new house to me, with a dryer circuit running high in the basement of #8 SER Al. Can I run a #10 white copper with it to provide wire #4?
 
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Old 09-28-12, 03:34 PM
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I've got a new house to me, with a dryer circuit running high in the basement of #8 SER Al. Can I run a #10 white copper with it to provide wire #4?
What do you mean by "a white copper [wire]?" You can run an equipment grounding conductor - an EGC, or ground - on its own. Is that what you're planning to do?
 
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Old 09-28-12, 04:06 PM
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To put it another way a white wire is never a ground and must be in the same sheath or raceway as the other conductors to meet code and prevent over heating. The EGC if #6 or smaller may only be bare or green (or green/yellow). It can be run separate.
 
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Old 09-28-12, 05:35 PM
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Since SER is run, the outer wrap will stay the EGC; so, I'm hearing a separate white wire for a new neutral is not allowed, even run directly alongside?
 
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Old 09-28-12, 07:27 PM
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I'm hearing a separate white wire for a new neutral is not allowed, even run directly alongside?
Yes, that's correct. See Ray's earlier reply.
 
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Old 09-29-12, 07:47 AM
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The SER typically has 4 conductors.
 
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Old 09-29-12, 08:26 AM
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The SER typically has 4 conductors.
This is true, 3 insulated and 1 uninsulated, but SER cable is also available with 2 insulated and 1 uninsulated. I have never seen any, but the online Southwire catalog shows it. Southwire is apparently promoting it as a labor saving alternative to service entrance wiring using SEU cable.
 
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