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Hot light fixture spheres
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Meirman: M Will drilling holes at the top of an otherwise sealed sphere M encourage air circulation and make a light bulb run cooler? M I have a lot of light fixtures that use spherical glass globes to M cover the bulb. There is no air circulation from inside the M sphere to outside, and if I put in a high wattage bulb, it burns M out quickly, I think. M One is a "chandlier", at least it hangs from the ceiling with a M chain, with a glass globe 8 inches in diameter with a 4 inch M opening at the top. Because it is not closely attached to the M ceiling, I could drill holes in the metal part at the top, M without weakening it. But if all the holes are at the top, would M that make it run any cooler? M This fixture has a dimmer, and I'd like to use a 150 or 200 watt M bulb, running it at 70 watt brightness most of the time. Don't know the answer to your specific question -- it sounds semi-logical additional ventilation would cool the bulb better, but then the filament is running white-hot so the bulb, socket, etc., should be designed to operate at this hot temperature. My concern is your proposal to use a 150 or 200 watt bulb. Is the fixture designed for a bulb of this wattage? Many sockets have a lable indicating the maximum wattage. It might be a good idea to replace the socket with one designed for the higher wattage. ... Without electricity we would still be in the dark ages. --- MultiMail/Win32 v0.46 þ wcECHO 4.2 ÷ The Safe BBS þ Bettendorf, IA 563-359-1971 þ * RelayNet(tm): CamCat (#3041): Telnet: bbs.camcat.com www.camcat.com ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
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