Parallel Feeders - NEC 310.4(B)

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ohmhead

Senior Member
Location
ORLANDO FLA
Sorry, but I agree with the others.


Well thats the NEC code never have seen a feeder change in size or type that we install .

When you purchase large MC 250 and up ive never seen the correct size ground in that MC maybe it was our supplier but most grounds in large MC are not per grd table in the code book .

There close but vary by a few cir mils sizes just the ground in that MC .

Ill check tables its been a while since weve used MC feeders it may have changed today .
 

LarryFine

Master Electrician Electric Contractor Richmond VA
Location
Henrico County, VA
Occupation
Electrical Contractor
When you purchase large MC 250 and up ive never seen the correct size ground in that MC maybe it was our supplier but most grounds in large MC are not per grd table in the code book .
From the Southwire site:

"Available with oversized grounding conductor when used for parallel feeds on special orders."
 

ohmhead

Senior Member
Location
ORLANDO FLA
Good point ill let purchasing know that would be great for a voltage drop issue . Guess our shop is not up to date or we dont like special orders lots of cost there or is that free .
 
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