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Light Technology Light Technology |
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Candelabra | Intermediate |
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About Brightness
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About Light Appearance
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About Replacing Tubular Fluorescent Light Bulbs
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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.
Trade No. | 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 | 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.
Trade No. | 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 |
Bayonet Base Miniature Light Bulbs


Pins on either side of the base lock these bulbs into sockets. 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.
Incandescent bulbs are traditional light bulbs.
Bi-Pin Base Miniature Light Bulbs


These bulbs are small, but very bright, so they're often used in flashlights and optical instruments such as projectors and microscopes. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
Halogen bulbs are slightly more energy efficient than incandescent bulbs, but they generate more heat.
Screw-In Base Miniature Light Bulbs


These bulbs are sized to fit tight spaces such as signs, control panels, indicators, and flashlights. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
LED bulbs last longer and are more efficient than other technologies. They generate little heat and withstand vibration.
For technical drawings and 3-D models, click on a part number.
Trade No. | 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—Candelabra Base (1/2" Dia.) | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4C7, 6S6 | 120V AC | 1.2W | 1 | 0.01A | LED | Plastic | White | 100,000 | 0.83" | 2.13" | T6 | 1 | 000000 | 000000 |
4C7, 6S6 | 120V AC | 1.2W | 2 | 0.01A | LED | Plastic | Green | 100,000 | 0.83" | 2.13" | T6 | 1 | 0000000 | 00000 |
4C7, 6S6 | 120V AC | 1.2W | 2 | 0.01A | LED | Plastic | Red | 100,000 | 0.83" | 2.13" | T6 | 1 | 0000000 | 00000 |
Index Base Miniature Light Bulbs


Offset pins on the base lock these bulbs into sockets. 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 similar to a tail light and brake light.
Trade No. | 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. | |
Double-Contact Base (0.6" Dia.) | |||||||||||||||
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Tubular Bulb | |||||||||||||||
3496 | 12.8V 14V | 8.26W 25.2W | 38 540 | 0.59A 2.1A | Incand. | 2 Way | Glass | Clear | 5,000 600 | 3/4" | 1.89" | T6 | 1 | 00000000 | 00000 |
Screw-In Base Light Bulbs
![]() Tubular | ![]() Intermediate |
![]() Candelabra |
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 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.
LED bulbs last longer and are more efficient than other technologies. They generate little heat and withstand vibration. Plastic LED bulbs are shatterproof.
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.) | |||||||||||||
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120V | |||||||||||||
20W | Warm (3,000K) | 150 | LED | Not Dimmable | T6 | Plastic | Frosted | 1.5W | 100,000 | 0.18 | 1 | 0000000 | 000000 |
20W | Not Rated | 150 | Incand. | Dimmable | T6 1/2 | Glass | Frosted | 20W | 5,000 | 2.50 | 1 | 0000000 | 0000 |
22W | Warm (2,850K) | 165 | Incand. | Dimmable | T6 1/2 | Glass | Frosted | 22W | 2,500 | 2.65 | 1 | 0000000 | 0000 |
25W | Warm (2,600K) | 185 | Incand. | Dimmable | T6 1/2 | Glass | Clear | 25W | 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 |
Tubular Bulb—Candelabra Base (1/2" Dia.) | |||||||||||||
120V | |||||||||||||
15W | Warm (2,700K) | 110 | Incand. | Dimmable | T6 | Glass | Clear | 15W | 2,000 | 1.80 | 1 | 0000000 | 0000 |
145V | |||||||||||||
15W | Warm (2,700K) | 102 | Incand. | Dimmable | T6 | Glass | Clear | 15W | 1,500 | 1.90 | 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.) | |||||||||||||
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Tubular Bulb | |||||||||||||
120V | 20W | Warm (2,400K) | 125 | Incand. | T6 1/2 | Clear | 5,000 | 2.50 | 7/8" | 5.5" | 1 | 0000000 | 00000 |
120V | 20W | Warm (2,850K) | 90 | Incand. | T6 1/2 | Frosted | 9,800 | 2.50 | 7/8" | 5.63" | 1 | 0000000 | 0000 |
120V | 20W | Warm (2,850K) | 110 | Incand. | T6 1/2 | Frosted | 1,300 | 2.50 | 7/8" | 5.5" | 1 | 0000000 | 0000 |
120V | 22W | Warm (2,850K) | 145 | Incand. | T6 1/2 | Clear | 1,300 | 2.70 | 7/8" | 5.5" | 1 | 0000000 | 0000 |
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.
Voltage | 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. | Each | |
Single Contact—Medium Base (1 1/8" Dia.) | ||||||||||||||
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Pointed Bulb | ||||||||||||||
120V | 500W | Neutral (3,050K) | 11,000 | Base Down, Horizontal | BTL | Halogen | T6 | Clear | 500 | 60.22 | 3/4" | 5" | 0000000 | 000000 |
120V | 500W | Neutral (3,200K) | 13,000 | Base Down, Horizontal | BTM | Halogen | T6 | Clear | 100 | 60.22 | 3/4" | 5" | 0000000 | 00000 |
Circline Tubular Light Bulbs

Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Color rendering index (CRI) is a measurement on a scale of 0-100 of how accurately the light from a bulb represents an object's true colors; the higher the number, the more natural the colors appear. Any CRI value over 80 will show colors true to life. Bulbs with a warm light appearance have yellow tones. Bulbs with a neutral light appearance are often used in workspaces. Bulbs with a cool light appearance have white/blue tones and are good for inspecting. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh. They cannot be sold to Canada because they do not meet local efficiency standards and exceed local regulatory limits on mercury (for disposal information, visit www.epa.gov/cfl).
O'all Dia. | Equiv. Fluorescent Bulb Wattage | Light Appearance | Brightness, lumens | CRI | Light Setting | Bulb Material | Light Technology | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Trade No. | Pkg. Qty. | Cannot Be Sold To | Pkg. | |
T6 Bulb (Double Bulb) (3/4" Dia.) | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
9" | 58W | Neutral (3,500K) | 3,700 | 82 | Dimmable | Glass | Fluorescent | 58W | 10,000 | 6.99 | FC58T6 | 1 | Canada | 0000000 | 000000 |
9" | 58W | Neutral (3,500K) | 3,700 | 82 | Dimmable | Glass | Fluorescent | 58W | 10,000 | 6.99 | FC58T6 | 20 | Canada | 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.) | ||||||||||||||
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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 |
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—Candelabra Base (1/2" Dia.) | ||||||||||||||
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120V AC | ||||||||||||||
Red | 15W | Not Rated | LED | Plastic | 2.2W | 100,000 | 0.27 | 0.51" | 4.65" | T6 | Two Diffuser Panels | 1 | 0000000 | 000000 |
Green | 15W | Not Rated | LED | Plastic | 2.2W | 100,000 | 0.27 | 0.51" | 4.65" | T6 | Two Diffuser Panels | 1 | 0000000 | 00000 |
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 | 00000 |