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About Brightness and Light Appearance
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Find the right lumen level to brighten your space. Then, compare the way warm, neutral, and cool lighting affect the appearance of everyday objects.
Recessed Single-Contact Base Light Bulbs
These slender bulbs are used in lamps and task lights. 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 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.
| Wattage | Light Appearance | Brightness, lumens | Operating Position | Bulb Trade Number | Light Technology | Bulb Shape No. | Color | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Pkg. Qty. | Pkg. | |
Tubular Bulb—1/4" Base Dia. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
120V AC | ||||||||||||||
| 500W | Warm (2,900K) | 9,500 | Horizontal | 500T3Q/CL | Halogen | T3 | Clear | 1,500 | 60.23 | 3/8" | 4 11/16" | 1 | 1513K9 | 00000 |
120V AC/120V DC | ||||||||||||||
| 250W | Warm (2,900K) | 4,500 | Horizontal, Base Down, Base Up | 250T3Q/CL | Halogen | T3 | Clear | 1,500 | 30.11 | 3/8" | 3 1/8" | 1 | 1513K37 | 0000 |
| 300W | Warm (2,900K) | 5,300 | Horizontal | 300T3Q/CL, EHM | Halogen | T3 | Clear | 1,500 | 36.14 | 3/8" | 4 11/16" | 1 | 1513K5 | 0000 |
| 1,000W | Neutral (3,200K) | 27,000 | Horizontal | 1000T4Q/CL, FCM | Halogen | T4 | Clear | 300 | 120.45 | 1/2" | 4 3/4" | 1 | 2286K11 | 00000 |
240V AC/240V DC | ||||||||||||||
| 1,500W | Warm (2,900K) | 30,000 | Horizontal | 1500T3Q/P/CL | Halogen | T3 | Clear | 1,500 | 180.70 | 3/8" | 10 1/16" | 1 | 1513K4 | 0000 |