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.
Incandescent bulbs are traditional light bulbs. Many have been phased out due to governmental energy requirements, but some are still available for special applications.
| Equiv. Incand. Bulb Wattage | Light Appearance | Brightness, lumens | Light Technology | Light Setting | Bulb Shape No. | Bulb Material | Color | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Pkg. Qty. | Pkg. | |
Tubular Bulb—Intermediate Base (11/16" Dia.) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
120V AC/120V DC | |||||||||||||
| 22W | Warm (2,850K) | 165 | Incand. | Dimmable | T6 1/2 | Glass | Frosted | 20W | 2,500 | 2.65 | 1 | 0000000 | 00000 |
| 25W | Warm (2,600K) | 185 | Incand. | Dimmable | T6 1/2 | Glass | Clear | 20W | 1,000 | 3.10 | 1 | 0000000 | 0000 |
| 40W | Warm (2,850K) | 365 | Incand. | Dimmable | T6 1/2 | Glass | Clear | 40W | 1,000 | 4.90 | 1 | 0000000 | 0000 |
Bayonet Base Light Bulbs
Pins on the base lock these bulbs into sockets to withstand vibration. They're often used in machines and elevators. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.
Voltage | Wattage | Light Appearance | Brightness, lumens | Light Technology | Bulb Shape No. | Color | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Pkg. Qty. | Pkg. | |
Double Contact—Small Base (0.59" Dia.) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Tubular Bulb | |||||||||||||
| 120V AC/120V DC | 20W | Warm (2,400K) | 125 | Incand. | T6 1/2 | Clear | 5,000 | 2.50 | 7/8" | 5.5" | 1 | 0000000 | 00000 |
| 120V AC/120V DC | 20W | Warm (2,850K) | 90 | Incand. | T6 1/2 | Frosted | 9,800 | 2.50 | 7/8" | 5.63" | 1 | 0000000 | 0000 |
| 120V AC/120V DC | 20W | Warm (2,850K) | 110 | Incand. | T6 1/2 | Frosted | 1,300 | 2.50 | 7/8" | 5.5" | 1 | 0000000 | 0000 |
| 120V AC/120V DC | 22W | Warm (2,850K) | 145 | Incand. | T6 1/2 | Clear | 1,300 | 2.70 | 7/8" | 5.5" | 1 | 0000000 | 0000 |
Wedge Base Miniature Light Bulbs
These bulbs are sized to fit tight spaces such as indicators and vehicle lights. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
Krypton bulbs are known for generating a bright light, such as a flash in a camera. They last longer than incandescent bulbs.
Incandescent bulbs are traditional light bulbs.
| Bulb Trade Number | Voltage | Wattage | Brightness, lumens | Current | Light Technology | Bulb Material | Color | Rated Life, hrs. | Bulb Dia. | O'all Lg. | Bulb Shape No. | Pkg. Qty. | Pkg. | |
Tubular Bulb—Wide Base (0.63" Dia.) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7440LL | 12V AC/12V DC | 21W | 440 | 1.75A | Incand. | Glass | Clear | Not Rated | 0.83" | 1.85" | T6 1/2 | 1 | 00000000 | 00000 |
Dual-Filament Wedge Base Miniature Light Bulbs
These bulbs are sized to fit tight spaces such as indicators and vehicle lights. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
Bulbs have two filaments, which operate at two brightness levels. The first filament illuminates a light and the second emits a brighter light when activated similar to a tail light and brake light.
| Bulb Trade Number | Voltage | Wattage | Brightness, lumens | Current | Light Technology | Light Setting | Bulb Material | Color | Rated Life, hrs. | Bulb Dia. | O'all Lg. | Bulb Shape No. | Pkg. Qty. | Pkg. | |
Tubular Bulb—Wide Base (0.63" Dia.) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7443NA | 12V AC | 21W 5W | 21 280 | 0.42A 1.75A | Incand. | 2 Way | Glass | Amber | 1,000 500 | 0.83" | 1.87" | T6 1/2 | 1 | 00000000 | 00000 |
Screw-In Base Exit Sign Light Bulbs
Replace incandescent bulbs in exit signs with longer-lasting, energy-efficient LEDs. These bulbs are compatible with exit signs that are viewable from one or both sides. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh.
| Color | Equiv. Incand. Bulb Wattage | Brightness | Light Technology | Bulb Material | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Bulb Shape No. | Includes | Pkg. Qty. | Pkg. | |
Tubular Bulb—Intermediate Base (11/16" Dia.) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
120V AC | ||||||||||||||
| Red | 20W | Not Rated | LED | Plastic | 2.2W | 100,000 | 0.27 | 0.51" | 4.85" | T6 1/2 | Two Diffuser Panels | 1 | 0000000 | 000000 |
Bayonet Base Exit Sign Light Bulbs
Replace incandescent bulbs in exit signs with longer-lasting, energy-efficient LEDs. These bulbs are compatible with exit signs that are viewable from one or both sides. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh.
| Color | Equiv. Incand. Bulb Wattage | Brightness | Light Technology | Bulb Material | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Bulb Shape No. | Includes | Pkg. Qty. | Pkg. | |
Tubular Bulb—Double Contact Small Base (0.59" Dia.) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
120V AC | ||||||||||||||
| Red | 20W | Not Rated | LED | Plastic | 2.2W | 100,000 | 0.27 | 0.51" | 4.85" | T6 1/2 | Two Diffuser Panels | 1 | 0000000 | 000000 |