Clear All
Wattage Wattage |
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Base Type Base Type |
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![]() | Recessed Single Contact |
Bulb Shape Number Bulb Shape Number |
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Overall Length Overall Length |
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Trade Number Trade Number | Show |
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Trade Number Trade Number | Hide |
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Bulb Shape Bulb Shape |
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![]() | Tubular |
Light Technology Light Technology |
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Voltage Voltage |
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Bulb Diameter Bulb Diameter |
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Base Number Base Number |
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Base Diameter Base Diameter |
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Bulb Material Bulb Material |
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Color Temperature Color Temperature |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Beam Spread Beam Spread |
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![]() | Sphere |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Estimated Yearly Energy Cost Estimated Yearly Energy Cost |
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Light Setting Light Setting |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Operating Position Operating Position |
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Rated Life Rated Life |
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About Brightness
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About Light Appearance
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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 | Trade No. | 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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120V | ||||||||||||||
500W | Not Rated | 9,500 | Horizontal | 500T3Q/CL, FCL | Halogen | T3 | Clear | 2,000 | 60.30 | 3/8" | 4 5/8" | 1 | 000000 | 00000 |