Re: Fluorescent light fixture question

From: H. R. Bob Hofmann (hrhofmann_at_att.net)
Date: 07/05/04


Date: 5 Jul 2004 08:12:41 -0700


"Li Gangyi" <li_gangyi@yahoo.co.uk> wrote in message news:<ccav1e$cme$1@reader01.singnet.com.sg>...
> if u're willing to shell out a few more bucks...maybe u can get some new
> electronic ballasts...they work over a wide range of voltages and give out a
> higher light output...costs around $20SGD which is around USD$9+ here in
> Singapore...
> "gothika" <Vampyres@nettaxi.com> wrote in message
> news:7orhe0d0mj5nd2aep85gqer9fd3udbpfrp@4ax.com...
> > On Sun, 04 Jul 2004 22:23:26 -0400, grooks@comcast.net wrote:
> >
> > >I have a 2 bulb, 48", Fluorescent light fixture.
> > >90% of the time when I turn the switch on, it does not start.
> > >There is a little flickering in the end of the bulb.
> > >I turn the switch to off and back immediately turn it back on and it
> > >lights.
> > >My first guess was the ballast. It is a type "P". so I put in a new
> > >ballast, rapid start, and two new bulbs. No change.
> > >
> > >Any ideas ? I'm al out.
> >
> > Could the contact points in the connectors be corroded?
> > Also might be a case of voltage to the fixture being down a few volts.

Are you sure you have the input wires wired correctly. If you reverse
the hot and neutral wires on the input, you can get the effect you are
describing when the ballast is marginal in its output.

H. R. (Bob) Hofmann


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