[PW] ?How is a 277 Volt Lighting System Wired in Series to Turn On a Large Group of Fluorescent Light Fixtures Wired in Series?

Peter Zilahy Ingerman, PhD pzi at ingerman.org
Thu Oct 1 12:19:19 PDT 2015


If your patron  hasn't already electrocuted him/her self, I'd suggest 
STRONGLY that a professional be hired!

Peter

On 2015-09-30 15:29, Sam Shipley wrote:
> I have a rather lengthy technical electronics question to submit for a patron.  Please see below:
>
>       "How is a 277 volt lighting system wired in series to turn on a large group of fluorescent light fixtures wired in series?  One switch turns on around 50 fixtures at once.   I want to understand this from the breaker to the last fixture.
>       When changing out the ballast in a fixture, there are some wires that are not needed, that the electrician has removed and capped.  This process is similar to a 120 volt system, but has more wires in the 277 volt system that (I think) remain hot.
>        I have tried to find the information by searching the internet, using the keywords Fulham Ballast Co. Inc.   I also search the "How Things Work" web site."
>
>
> Thanks for any help you can provide.
>
> Sam Shipley
> Reference Librarian
> Dodge City Public Library
> Dodge City, Kansas
> sams at dcpl.info<mailto:sams at dcpl.info>
> (620) 225-0248, x201
>
>
>
>
>
> _______________________________________________
> Project Wombat - Project-Wombat
> list at project-wombat.org
> http://www.project-wombat.org/
>
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2015.0.6140 / Virus Database: 4431/10732 - Release Date: 09/30/15
>
>



More information about the Project-Wombat-Open mailing list