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Turning lights on and off by unplugging the cable


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#1 Simon Bjork

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Posted 27 April 2009 - 06:26 AM

I see this all the time, but it feels like it's not good for the lights. What is your opinion, can I just turn on or off a lamp with unplugging the cable, or do I have to turn the on/off button? Is there a difference between HMI, Tungsten, Kino-Flos etc?
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#2 Adrian Sierkowski

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Posted 27 April 2009 - 07:41 AM

Not a good idea on any Ballasted light (Kino/HMI) and also not a good idea on tungsten either. You can do it, yes, but only when you cannot at all get to the switch. Lights have a switch for a reason, especially the big ones.
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#3 Hal Smith

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Posted 27 April 2009 - 09:15 AM

The arc created slowly eats away both the plug and the receptacle.

I've seen dimmer packs that have receptacles with intermittant contact because people had been hot plugging them for years. I've also replaced quite a few plugs over the years that were running hot and had gone bad because of both hot plugging and resulting poor contact made by all the pitting on the plug's mating surfaces.
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