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    3 Products
    About Brightness and Light Appearance
    industrial info icon

    Find the right lumen level to brighten your space. Then, compare the way warm, neutral, and cool lighting affect the appearance of everyday objects.

    Screw-In-Base Light Bulbs

    Image of Product. Front orientation. Light Bulbs. Screw-In-Base Light Bulbs, Tubular Bulb.

    Tubular

    Bulb

    Your go-to bulbs for everyday use in standard sockets.
    Use the light appearance to match older bulbs in your facility.
    Warm (2,700 K)—A 2,700K (warm) light appearance resembles incandescent bulbs.
    Cannot Be Sold To—Bulbs that cannot be sold to the listed areas are restricted due to energy efficiency requirements, mercury regulations, and product registration requirements.
    Bulb
    Light
    Pkg. of 1
    Pkg. of 10
    Equivalent Incandescent
    Bulb Wattage
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    Cannot Be
    Sold To
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    Pkg.
    Tubular Bulb—Intermediate Base (11/16" Dia.)
     
    120V AC
    15 WT7Glass7/8"ClearWarm (2,700 K)DimmableIncandescent100108 lm15 W1,000 hr.2 3/16"Massachusetts1611K12000009039N131000000
     

    Prefocus-Base Light Bulbs

    Image of Product. Front orientation. Light Bulbs. Prefocus-Base Light Bulbs.
    Small but powerful, these bulbs are commonly used in stage and security lighting. All have a neutral light appearance that is brighter than warm light. 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.
    Light
    Bulb
    Voltage
    Wattage,
    W
    Appearance
    Tech.
    Brightness,
    lm
    Operating Position
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    No.
    Shape
    No.
    Dia.
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    Lg.
    Each
    Single Contact—Medium Base (1 1/8" Dia.)
     
    Pointed Bulb
    120V AC/120V DC1,000Neutral (3,200 K)Halogen28,500Horizontal
    Base Down    		BTRT77/8"Clear250$120.455"2286K55000000
     
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