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Re: Flourescent lights in series

If I remember correctly, all the $9 shop lights I have(2 X 4ft 40watt bulbs) 
one end is in a series, one wire comes out of the ballast through both 
endcaps and back into the ballast.  The other end, each cap has a seperate 
set of wires.  I could be wrong, but I'm fairly sure.  I have to replace 
them about every other year, but @ $10 each from Lowes or Home Depot, who 
cares.  Although I don't know if you have that option, Tyrone.


Drummond


>From: "Tyrone Genade" <Tgenade at akad_sun.ac.za>
>Reply-To: killietalk at aka_org
>To: killietalk at aka_org
>Subject: Re: Flourescent lights in series
>Date: Mon, 11 Jun 2001 19:20:47 +0200
>
>On 11 Jun 2001, at 7:07, Wright Huntley wrote:
>
> > BizEcology at aol_com wrote:
> > >
> > > If I remember my old electrical shop correctly, if a group of devices 
>are in
> > > series, the voltage will drop at each device.  Also, if one fails, the 
>entire
> > > series will fail.  I believe the lights should have been wired in 
>parallel.
>
>I wanted || but the electrician I spoke to said that it was far to
>complex and that series would work. I wired the outfit in series as
>per instruction from various sources (no less the instructions on the
>actual ballast). How would you do it in series?
>
> > Correct, but fluorescents are more complicated than that. They are a gas
> > discharge device that need a means for getting the gas to ionize 
>(heater, hi
> > voltage, etc.) and the voltage (starting and running) is highly 
>dependent on
> > tube diameter as well as length. It would be a real coincidence if all 
>those
> > conditions were met by a single ballast, and the ballast was able to
> > restrict current to a proper range.
>
>Ah ha....
>
> > Use 20W X2 ballasts and save the 40W ballast for its proper (usually 4')
> > tube.
>
>I'll be more inclined to try a 50W first as refitting for 2 20W is going
>to be too much trouble (which is why I went this way in the first
>place). In esscense this should of worked. I have 2 18W tubes off
>one 40W ballast etc... as per spesification. Some where something
>is wrong...
>
>Bye
>
>Tyrone Genade
>Southern African Killifish Society Coastal & Offshore Coordinator
>AKA 08248
>tyronegenade at yahoo_com
>http://www.geocities.com/tyronegenade
>
>*************************************************************
>P450 Lab, Biochemistry Department
>University of Stellenbosch, 7602, South Africa
>Ph: +27-021-808-5876, fax: +27-021-808-5863
>**********************************************************
>
>"No, the LORD has told us what is good. What He requires
>of us is this: to do what is just, to show constant love,
>and to live in humble fellowship with our GOD."
>                                                 Micah 6:8
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