[Amps] 220VOLT LINE...HAMS CAN BE DANGEROUS

[Gudguyham at aol.com]

In a message dated 12/9/03 12:18:34 PM Eastern Standard Time, 
tongaloa at alltel.net writes:


> I have never seen residential wiring using shared neutral. Yes it sure is a 
> common practice, I have seen this more often than not in many house panels. 
> Not up on current
> code but wonder if this is allowed for residence. Yes it is code.
> Here at the shop I have shared neutral on the lighting circuits. They are
> all wired so neutral is adequate for one bank of lights when the other 
> is off.
> Both banks on, almost no current in neutral. Is this done in houses??? This 
> is ONLY the case if  each current carrying conductor that is overcurrent 
> protected is on separate phases in the panel.  If both conductors are on the same 
> phase, the neutral current is doubled and a fire hazard exsits. 3 wire 
> 120/120 volt circuits are very common in houses and its OK with the NEC code.  73 
> Louie
> 
> -bob
>