About Brightness
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About Light Appearance
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Screw-In Base Spotlight Bulbs
These bulbs produce a narrower, more concentrated beam of light than floodlight bulbs. 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. Bulbs with a cool light appearance have white/blue tones and are good for inspecting. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.
R bulbs have wide beam angles that create broad beams of light. Their length makes them good for use in large can fixtures.
LED bulbs last longer and are more efficient than other technologies. They generate little heat, withstand vibration, and are shatterproof.
Equiv. Incand. Bulb Wattage | Light Appearance | Brightness, lumens | Beam Angle | Light Technology | Bulb Material | Color | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Pkg. Qty. | Pkg. | |
R14 Bulb—Intermediate Base (11/16" Dia.) | ||||||||||||||
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120V AC | ||||||||||||||
125W | Warm (2,700K) | 300 | 105° | LED | Glass | White | 40W | 2,500 | 0.40 | 1 3/4" | 2 3/8" | 1 | 0000000 | 00000 |
Lenses for Ceiling Lights
Lenses disperse light to reduce glare and protect bulbs from damage. Cut to size using a band saw or shears.
Egg crate and parabolic lenses have an open construction to allow more light through than solid lenses as well as more air circulation to cool bulbs. Acrylic lenses won't turn yellow over time. Aluminum lenses withstand higher temperatures than plastic lenses.
For technical drawings and 3-D models, click on a part number.
Cell | ||||||||||||
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For Light Technology | Material | Clarity | Color | Lg., ft. | Wd., ft. | Thick. | Lg. | Wd. | Dp. | Pkg. Qty. | Pkg. | |
Small Pack | ||||||||||||
Egg Crate | ||||||||||||
LED, Fluorescent | Acrylic Plastic | Opaque | White | 4 | 2 | 3/8" | 1/2" | 1/2" | 3/8" | 2 | 0000000 | 000000 |
LED, Fluorescent | Acrylic Plastic | Opaque | White | 4 | 2 | 1/2" | 1/2" | 1/2" | 1/2" | 2 | 0000000 | 000000 |
LED, Fluorescent | Aluminum | Opaque | White | 4 | 2 | 1/2" | 1/2" | 1/2" | 1/2" | 2 | 00000000 | 000000 |
Large Pack | ||||||||||||
Egg Crate | ||||||||||||
LED, Fluorescent | Acrylic Plastic | Opaque | White | 4 | 2 | 3/8" | 1/2" | 1/2" | 3/8" | 5 | 0000000 | 000000 |
LED, Fluorescent | Acrylic Plastic | Opaque | White | 4 | 2 | 1/2" | 1/2" | 1/2" | 1/2" | 5 | 0000000 | 000000 |
LED, Fluorescent | Aluminum | Opaque | White | 4 | 2 | 1/2" | 1/2" | 1/2" | 1/2" | 5 | 0000000 | 000000 |