About Light Appearance
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About Brightness
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Recessed Single-Contact Base Light Bulbs
These slender bulbs are used in lamps and task lights. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Bulbs with a warm light appearance have yellow tones. Bulbs with a neutral light appearance are commonly used in workspaces. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh. These halogen bulbs are slightly more energy efficient than incandescent bulbs, but they generate more heat.
Wattage | Light Appearance | Brightness, lumens | Operating Position | Bulb Trade Number | Light Technology | Bulb Shape No. | Color | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Pkg. Qty. | Pkg. | |
Tubular Bulb—1/4" Base Dia. | ||||||||||||||
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240V AC/240V DC | ||||||||||||||
1,500W | Warm (2,900K) | 30,000 | Horizontal | 1500T3Q/P/CL | Halogen | T3 | Clear | 1,500 | 180.70 | 3/8" | 10 1/16" | 1 | 000000 | 000000 |
277V AC | ||||||||||||||
1,500W | Warm (2,900K) | 34,000 | Horizontal | 1500T3Q/CL | Halogen | T3 | Clear | 2,000 | 180.70 | 3/8" | 10" | 1 | 0000000 | 0000 |
Metal Halide Light Bulbs
Illuminate large warehouses, factories, and arenas with the bright, white light of these metal halide bulbs. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Color rendering index (CRI) is a measurement on a scale of 0-100 of how accurately the light from a bulb represents an object's true colors; the higher the number, the more natural the colors appear. Any CRI value over 80 will show colors true to life. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh. They cannot be sold to Canada because they exceed local regulatory limits on mercury.
Wattage | Light Appearance | Brightness, lumens | Bulb Shape No. | Operating Position | CRI | For Ballast ANSI No. | Start Type | Bulb Material | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Cannot Be Sold To | Each | |
For Enclosed Fixtures | |||||||||||||||
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Blown Tubular Bulb—E39 Mogul Base (1 5/8" Dia.) | |||||||||||||||
1,500W | Neutral (4,000K) | 170,000 | BT56 | Base Up | 70 | M48 | Probe | Glass | 3,000 | 180.68 | 7" | 15 3/8" | Canada | 0000000 | 0000000 |