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#128814 - 01/07/04 07:11 PM neutral  
phosgene  Offline
Junior Member
Joined: Dec 2003
Posts: 6
"what are the dangers when current flows over a ground wire" "Why should a
Neutral wire be insulated" ????

Why shouldn't ground be use as neutral?

Thanks


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#128815 - 01/08/04 01:42 AM Re: neutral  
chi spark  Offline
Member
Joined: Jan 2004
Posts: 105
Chicago IL USA
is this ? for real?


#128816 - 01/08/04 07:58 AM Re: neutral  
sparky  Offline
Member
Joined: Oct 2000
Posts: 5,311
well phosgene...
i may as well throw in the proverbial monkey wrench here that seems to follow your Q, (hey, it's for science fer chisssakes) [Linked Image]

the poco would agree with you, where N & G exist as one uninsulated conductor

they'd have little reservation placing meters on steel track housing incorporating a common mettalic h2o supply, ph service, cable, or other mutual interconnections.

heck, within our own trades scope, we could run an unisulated N&G combo overhead areial triplex to an outbuilding 5' away via 250.32 couldn't we?, as long as that outbuilding had such bonded to an GEC.

i've always viewed those pad mounted x-formers close to buildings and within reach of meters with similar concern

section #1 of art 250 delve's into theoretical aspects here, with potential reparations...

C-H posted a great noodle pdf here btw

as to the grander scheme, those countries that do not include the evil noodle have circumvented this problem completely, foriegn devils!, always getting a leg up on us eh? [Linked Image]

~S~




[This message has been edited by sparky (edited 01-08-2004).]



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