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Donald Morley - 25 Jul 2005 04:02 GMT

I plan to put X-10 WS467 Wall Switches on my outside yard Flood lights.
The switches are rated for 500w incandescent. I just realized that the
flood lights are 100w halogen outdoor flood lights. Will these switches
work with these bulbs?

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George Pontis - 25 Jul 2005 05:32 GMT

> I plan to put X-10 WS467 Wall Switches on my outside yard Flood lights.
> The switches are rated for 500w incandescent. I just realized that the
> flood lights are 100w halogen outdoor flood lights. Will these switches
> work with these bulbs?

Yes, perfectly. The 500W number is the maximum allowable load. If you ran at that
level the switch would get warm and maybe not live very long. There is also a
minimum for reliable operation which is not given, AFAIK, but 100W is sure to be a
nice easy load that any switch can control reliably.

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Donald Morley - 26 Jul 2005 01:53 GMT

Thanks, for the help. Will the dimmer feature of the switch work the same
with the halogen flood light, as it would on an incandescent?

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George Pontis - 26 Jul 2005 06:24 GMT

> Thanks, for the help. Will the dimmer feature of the switch work the same
> with the halogen flood light, as it would on an incandescent?

Yes, the halogen lamp is just a special type of incandescent with higher
efficiency. The dimmer can't distinguish the two.

There is a theoretical limitation to the lifetime of a halogen lamp when dimmed,
but in practice I haven't found it noticeable. It is done all the time.

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Homeowner Forum / Home Automation / July 2005

Yard Lighting