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    gary971's Avatar
    gary971 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Mar 2, 2009, 03:22 PM
    Electrical and lighting
    I have a building with 32 floursent lights installed it is being served by two 20 amp circuits with 16 lights on each circuit, but only have one neutral, the lights are four foot ,two lamps each lamps are 32 watt t8 lamps, my problem I am having is I have an exiseve amount of ballast and lamps burning out, do you think I need a neutral for each circuit?

    This is a three phase panel
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #2

    Mar 2, 2009, 03:27 PM
    How old are the fixtures?
    A certain batch of electronic ballasts from a few years ago were notorious for failures.

    A shared neutral circuit is fine for lighting, and is very common in commercial applications.
    patcolamp's Avatar
    patcolamp Posts: 16, Reputation: 1
    New Member
    		  
    #3

    Mar 3, 2009, 05:36 AM
    Stan is right about the ballasts.

    Sylvania Quick Tronic ballasts are notorious for failure. However, they are good about replacement. If it is a Sylvania ballast contact them and they will replace it for you with a good validation date.

    I hope this helps you out.

    JP
    Patco lamp
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