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4x F20T12 Rapid Start Fixture Here's a 4-lamp fixture with 2 2-lamp LPF RS ballasts. I think one of the ballasts is getting worn out since it doesn't always work right. Keywords: Indoor_Fixtures

4x F20T12 Rapid Start Fixture

Here's a 4-lamp fixture with 2 2-lamp LPF RS ballasts.

I think one of the ballasts is getting worn out since it doesn't always work right.

48STRIP1.jpg 48STRIP2.jpg 4XF20.jpg RL_1X2.jpg RL_1X1.jpg
File information
Filename:4XF20.jpg
Album name:xmaslightguy / Fluorescent Fixtures Under 48"
Keywords:Indoor_Fixtures
Wattage:4 * 20
Lamp Type:Linear Fluorescent
Filesize:93 KiB
Date added:May 30, 2011
Dimensions:1024 x 696 pixels
Displayed:117 times
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=6671
Favorites:Add to Favorites

Comment 1 to 9 of 9
Page: 1

A_lights   [Jul 11, 2011 at 02:58 AM]
yeah those LPF trigger start ballasts never are very reliable , older HPF are great but are bigger in size, maybe as big as a 2X40T12 ballast , so they wouldn't fit in there
streetlight98   [Nov 15, 2011 at 02:42 AM]
About how long will a RS ballast tolerate a dead lamp before it dies?
A_lights   [Nov 15, 2011 at 03:16 AM]
Forever really as it dosent let lamps rectify (lamp fails at one end and converts AC to DC )there is a capacitor across both lamps
slimline ballasts are the ones that can fail when a bad lamp rectifys
BTW I have a certain advance 2XF40 LPF ballast that powers 2 F17T8s great and dosent kill them or overheat the ballast
streetlight98   [Nov 15, 2011 at 03:19 AM]
What's wrong when a two lamp RS F40T12 ballast just blinks both lamps continuously and you have to turn it off then on again to make the lamps start?
A_lights   [Nov 15, 2011 at 03:31 AM]
Might be coroded sockets, try new ones or it could be the lamps, possibly a bad ground connection
If not that then the ballast is going bad
How old is it?
joe_347V   [Nov 15, 2011 at 03:36 AM]
Yep, check the lamps first, then the ground, sockets, and test for power. If those all check out fine you'll probably have to replace the ballast.
streetlight98   [Nov 15, 2011 at 03:51 AM]
The lamps are old 35w GE lamps etched with red ink. Those are origional to the fixture. That should give an idea to the date. I don't know about ground or sockets. i'll have to check those and the lamps when I go to my great-aunt's house again.
GEsoftwhite100watts   [Jan 20, 2013 at 02:23 AM]
What's wrong with the malfunctioning one?
xmaslightguy   [Jan 20, 2013 at 05:59 AM]
I'm not sure whats wrong with it, after it warms up it starts flickering (change out the lamps & it'll stop but sometimes will flicker once they warm up) Once the ballast is fully warm/hot it works fine. Maybe a bad capacitor?

I have a spare (and some 4x F20T12 electronic RS) so if at sometime I put this in use I'll just swap ballasts.

Comment 1 to 9 of 9
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