About Light Appearance
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About Brightness
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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. | |
Pear Bulb—Medium (Standard Household) Base (1 1/16" Dia.) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
120V AC | |||||||||||||
| 300W | Warm (2,700K) | 3,900 | Incand. | Dimmable | PS25 | Glass | Clear | 300W | 2,000 | 36.14 | 1 | 00000000 | 00000 |
Light Bulb Guards
The open design of these guards allows heat to dissipate from screw-in light bulbs. Guards open to fit around bulbs and socket collars.
Bulb shape numbers starting with A and PS are standard-household or pear-shaped bulbs; PAR and R bulbs are floodlight bulbs.
For Bulb | For Bulb Base | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Shape No. | Max Dia. | For Socket Collar Dia. | Ht. | OD | Type | Size | Dia. | Material | Each | ||
| 1 | A23, PS25 | 3 1/8" | 1 1/2" | 7 3/4" | 4 3/4" | Screw In | Medium (Standard Household) | 1 1/16" | Steel | 0000000 | 000000 |
Suction-Cup Light Bulb Changers
These changers create a vacuum seal against a light bulb. They're often used to change bulbs in recessed lights where there's no room to reach around the bulbs. They include three bulb changers to cover a wide range of bulb shapes. Bulb shape numbers starting with A, G, P, and PS are standard-household, globe-, or pear-shaped light bulbs. PAR, and R bulbs are found in spotlights or floodlights, or recessed can lights.
Connect a twist-lock handle (sold separately) to extend your reach.
For technical drawings and 3-D models, click on a part number.