slight flicker-track lighting

Old 10-27-04, 02:03 PM
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Unhappy slight flicker-track lighting

I recently installed some low-voltage track lights and I have an intermittent problem. There are 5 fixtures using roughly 250 watts on a 600 watt Lutron dimmer, on certain levels of dimming (just about anything but full brightness) a fixture occasionally flickers slightly. Its nothing I've seen before, different fixtures seem to do it at different times, so its not a manufacturing problem...seems like repositioning a fixture will sometimes stop the flicker, but another fixture might start up just when I think they're all fixed. What might cause this? The flicker is very quick, like the lamp is suddenly losing some voltage and getting it back immediately, and it happens -not regularly- but roughly every 2-5 seconds. Thanks.
Old 10-27-04, 02:14 PM
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I know many (most?) dimmers change the waveform of the AC current which often causes the filament to vibrate slightly. This could cause the appearance of a flicker.
Old 10-27-04, 02:29 PM
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You might try a different brand of bulbs.
Old 10-27-04, 03:13 PM
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Sounds to me like the transformer is not compatible with the dimmer. Find a suitably rated dimmer. Info may be stamped on the transformer's label or in the documentation that came with the track.

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