parallel neutrals

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domnic

Senior Member
Occupation
Electrical Contractor
I been a master license electrical contractor for 35 years residential, commercial, industrial, i have never seen parallel neutrals cause a problem . I never heard of a problem by any other electrician or contractor . can any body give a real life example of a problem they had with this. ( not something they red somewhere )
 

FionaZuppa

Senior Member
Location
AZ
Occupation
Part Time Electrician (semi retired, old) - EE retired.
"Problems" in what context? And how many in parallel (2, or a n+1 setup)?
 

roger

Moderator
Staff member
Location
Fl
Occupation
Retired Electrician
I think he's asking about situations where a GES is bonded to the neutral in multiple locations.

Roger
 

McLintock

Senior Member
Location
USA
Occupation
Electrician
If the ground and neutral or bonded at many points, you could have a problem with AFCI and GFCI breakers/devices.

Why run a GEC at all if your going to bond at every panel?


“ shoot low boys their riding shetland ponies”
 
Location
NE (9.06 miles @5.9 Degrees from Winged Horses)
Occupation
EC - retired
If the ground and neutral or bonded at many points, you could have a problem with AFCI and GFCI breakers/devices.

Why run a GEC at all if your going to bond at every panel?


“ shoot low boys their riding shetland ponies”
Not necessarily. The problem occurs when the bonding occurs on the load side of the breaker or device.

We are still not sure what his situation is or what brings up the question.
 

Dray

New User
Location
Hagerstown Maryland 21742
Occupation
Electrician
I have never heard of it causing a problem as long is you don't run in same conduit because of the derating chart where 4-6 current carrying conductors are derated to 80 percent
 
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