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Holophane 175 watt metal halide fixture firing up

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Uploaded on Apr 21, 2009

This is a hazardous locations fixture made by Holophane. It makes the coolest noises. It can run both probe start metal halide and mercury vapor lamps. It also has a quartz halogen lightbulb that turns on whenever the metal halide lamp isn't working, such as during a hot restrike or when it is burned out and needs to be replaced, and probably when the metal halide lamps is simply just unscrewed. Since the glass is currently kindof stuck I haven't been able to test that, but I do have a couple of hot restrike videos on the way. One start at full brightness, which is good since it didn't get there in this video, and the other one shows the hot restrike at the very end. You can see the quartz halogen in action. Anyways, stand by for those videos and enjoy this cool metal halide startup video.

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