About Brightness
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About Light Appearance
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Screw-In Base Light Bulbs
Use these bulbs in standard sockets, panels, and appliances. 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 or daylight 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.
CFL (compact fluorescent) bulbs are more energy efficient and last longer than halogen bulbs. It takes several seconds for them to reach full brightness. They contain small amounts of mercury (for disposal information, visit www.epa.gov/cfl).
Silicone-coated glass and plastic-coated glass bulbs are shatter-resistant; the coating retains glass shards if they do break.
Bulbs that cannot be sold to the listed regions do not meet energy efficiency and/or mercury regulations.
| Equiv. Incand. Bulb Wattage | Light Appearance | Brightness, lumens | Light Technology | Light Setting | Bulb Material | Color | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Cannot Be Sold To | Pkg. Qty. | Pkg. | |
Spiral Bulb—Medium (Standard Household) Base (1 1/16" Dia.) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
120V AC | |||||||||||||
| 40W | Warm (2,700K) | 550 | CFL | Not Dimmable | Glass | Frosted | 9W | 10,000 | 1.08 | Canada | 1 | 0000000 | 00000 |
| 40W | Cool (4,100K) | 550 | CFL | Not Dimmable | Glass | Frosted | 9W | 10,000 | 1.08 | Canada | 1 | 0000000 | 0000 |
| 75W | Warm (2,700K) | 1,225 | CFL | Not Dimmable | Glass | Frosted | 19W | 10,000 | 2.29 | Canada | 1 | 0000000 | 0000 |
| 75W | Warm (2,700K) | 1,200 | CFL | Not Dimmable | Plastic-Coated Glass | Frosted | 18W | 10,000 | 2.17 | Canada, VT | 1 | 0000000 | 00000 |
| 75W | Warm (2,700K) | 1,200 | CFL | Not Dimmable | Plastic-Coated Glass | Frosted | 18W | 10,000 | 2.17 | Canada, VT | 12 | 0000000 | 000000 |
| 75W | Cool (4,100K) | 1,225 | CFL | Not Dimmable | Glass | Frosted | 19W | 10,000 | 2.29 | Canada | 1 | 0000000 | 0000 |
| 100W | Daylight (6,500K) | 1,450 | CFL | Not Dimmable | Glass | Frosted | 23W | 10,000 | 2.77 | Canada | 1 | 0000000 | 0000 |
| 500W | Daylight (6,500K) | 6,400 | CFL | Not Dimmable | Glass | Frosted | 105W | 7,600 | 12.70 | Canada, MA, VT | 1 | 0000000 | 00000 |
| 500W | Daylight (6,500K) | 6,400 | CFL | Not Dimmable | Glass | Frosted | 105W | 7,600 | 12.70 | Canada, MA, VT | 6 | 00000000 | 000000 |
Twist-and-Lock Base Light Bulbs
These bulbs lock into GU24 light sockets with a twist. 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 cost is based on 3 hours of usage per day at $0.11 per kWh.
CFL (compact fluorescent) bulbs are energy efficient but take several seconds to reach full brightness. They contain small amounts of mercury (for disposal information, visit www.epa.gov/cfl).
Bulbs that cannot be sold to the listed regions do not meet energy efficiency and/or mercury regulations.
| Equiv. Incand. Bulb Wattage | Light Appearance | Brightness, lumens | Light Technology | Light Setting | Bulb Material | Color | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Pkg. Qty. | Cannot Be Sold To | Pkg. | |
Spiral Bulb—GU24 Base | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
120V AC | |||||||||||||||
| 60W | Warm (2,700K) | 900 | CFL | Not Dimmable | Glass | Frosted | 13W | 9,800 | 1.57 | 2 1/8" | 3 5/8" | 1 | Canada, VT | 0000000 | 00000 |