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Why do tungsten halogen tubes operate hotter than high pressure sodium tubes at the same wattage? I looked at Philips's spec sheets & the HPS has a lower max permissible temperature than
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801-1018 - LAMP - COATED, HALOGEN, 120V 100W, SOFT WHITE
Bulbrite Pack of (5) Dimmable DJD Double Envelope Halogen Mini Light Bulbs with Twist and Lock Bi-Pin (GU10) Base - On Sale - Bed Bath & Beyond - 34838795
Q35CL-DC Halogen Lamp | AAMSCO Lighting
Tuff Coated Halogen Lamp Medium Base 150W 120V 2900K Double Envelope Tungsten Dimmable - Amazon.com
150BT15HAL-W Halogen Lamp | AAMSCO Lighting
Halogen lamp - Wikipedia
Q150CL/EDT Item #614151
Tuff Coated Halogen Lamp Medium Base 150W 120V 2900K Double Envelope Tungsten Dimmable - Amazon.com
Double Envelope
Jtt JTT-120V-150W-E26-OPAL Miniature and Specialty Bulbs Double Envelope Tumgsten Halogen Lamp 120V
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