About Brightness
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About Light Appearance
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Bi-Pin Base Floodlight Bulbs
Often used in recessed can fixtures and track lighting, these bulbs produce a focused beam of light. 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.
Halogen bulbs are slightly more energy efficient than incandescent bulbs, but they generate more heat.
| Equiv. Incand. Bulb Wattage | Light Appearance | Brightness, lumens | Beam Angle | Bulb Trade Number | Light Technology | Bulb Material | Color | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Pkg. Qty. | Pkg. | |
MR16 Bulb | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
15V AC/15V DC | |||||||||||||||
| 90W | Neutral (3,150K) | Not Rated | Not Rated | EPX | Halogen | Glass | Clear | 90W | 500 | 10.84 | 2" | 1 3/4" | 1 | 0000000 | 000000 |
20V AC/20V DC | |||||||||||||||
| 150W | Neutral (3,150K) | Not Rated | Not Rated | DDL | Halogen | Glass | Clear | 150W | 500 | 18.07 | 2" | 1 3/4" | 1 | 0000000 | 00000 |
Contact-Lug Base Vehicle Headlamp Light Bulbs
Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
2-way bulbs operate at two brightness levels, as in high- and low-beam headlights.
| Bulb Trade Number | Voltage | Wattage | Light Appearance | Brightness, lumens | Light Technology | Light Setting | Bulb Material | Color | No. of Contact Lugs | Rated Life, hrs. | Bulb Dia. | O'all Lg. | Bulb Shape No. | Each | ||
| E | H4 60/55W | 12V AC/12V DC | 55W 60W | Neutral (3,150K) | 1,040 1,730 | Halogen | 2 Way | Glass | Clear | 3 | 150 300 | 11/16" | 3 5/8" | T4 5/8 | 0000000 | 00000 |
Socket Base Vehicle Headlamp Light Bulbs
Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
2-way bulbs operate at two brightness levels, as in high- and low-beam headlights.
| Bulb Trade Number | Voltage | Wattage | Light Appearance | Brightness, lumens | Light Technology | Light Setting | Bulb Material | Color | Rated Life, hrs. | Bulb Dia. | O'all Lg. | Bulb Shape No. | Each | ||
| C | 9007 | 12V AC/12V DC | 65W 55W | Neutral (3,150K) | 1,350 1,000 | Halogen | 2 Way | Glass | Clear | 150 320 | 11/16" | 3 3/4" | T4 5/8 | 0000000 | 00000 |
| D | 9005/100W | 12V AC/12V DC | 100W | Neutral (3,150K) | 2,500 | Halogen | Not Dimmable | Glass | Clear | 100 | 1/2" | 3 1/16" | T4 | 00000000 | 0000 |