[Novalug] OT: Electrical Wiring Q

Jon LaBadie novalugml@jgcomp.com
Tue Aug 30 00:34:16 EDT 2011


On Mon, Aug 29, 2011 at 11:39:38PM +0000, Jason Kohles wrote:
> There won't be any power in the neutral line when the light is off,
> so anything you add there won't be separately controllable.
> 

I didn't think separately controllable was a concern. 
But I wasn't thinking well.  My suggestion would result
in the two lights linked in series.  Certainly not
what would be wanted.

Sorry Greg.

> 
> ----- Original Message -----
> From: Jon LaBadie [mailto:novalugml@jgcomp.com]
> Sent: Monday, August 29, 2011 04:22 PM
> To: novalug@calypso.tux.org <novalug@calypso.tux.org>
> Subject: Re: [Novalug] OT: Electrical Wiring Q
> 
> On Mon, Aug 29, 2011 at 09:29:13AM -0400, greg pryzby wrote:
> > Looking for electrical wiring help.
> > 
> > I have 3 light switches (2 have 3-wires and 1 has 4-wires). I put a
> > new light in near the 4-wire switch.
> > 
> > I would like to tie the new light (2-wires + ground) into the wiring
> > at the 4-wire switch. I can't get it to work/cycle w/ the lights.
> > Meaning when the existing lights are on, the new light is out. When
> > the new light is on, the existing lights are out. Playing with the 3
> > switches I can get the new and existing lights all out, but nothing
> > gets them all on.
> > 
> > ANY constructive help (besides hire an electrician) are welcome. I
> > imagine the internet can save me the electrician fee and teach me
> > about wiring.
> 
> The diagrams I've seen have the neutral (white) lead passing through
> each switch box without ever going through a switch.  Basically one
> long neutral from the power source to the light without ever going
> through a switch.
> 
> The hot (black) leads go into and out of each switch.  Plus, an
> extra hot (diagramed as red) between each switch.  The last switch
> provides the hot lead to the light.
> 
> You should be able to insert another light by breaking the long,
> unswitched neutral lead and inserting your light at the break.
> 
> As someone pointed out, don't overload the switches ratings.
> 
> jl
> -- 
> Jon H. LaBadie                  novalugml@jgcomp.com
>  JG Computing
>  12027 Creekbend Drive		(703) 787-0884
>  Reston, VA  20194		(703) 787-0922 (fax)
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>>> End of included message <<<

-- 
Jon H. LaBadie                  novalugml@jgcomp.com
 JG Computing
 12027 Creekbend Drive		(703) 787-0884
 Reston, VA  20194		(703) 787-0922 (fax)



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