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.
For technical drawings and 3-D models, click on a part number.
| 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 | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
19V AC/19V DC | |||||||||||||||
| 80W | Neutral (3,350K) | Not Rated | Not Rated | DDM | Halogen | Glass | Clear | 80W | 50 | 9.61 | 2" | 1 3/4" | 1 | 0000000 | 000000 |
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 100/80W | 12V AC/12V DC | 100W 80W | Warm (3,000K) | 1,500 2,400 | Halogen | 2 Way | Glass | Clear | 3 | 150 75 | 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 | 9004/100/80W | 12V AC/12V DC | 100W 80W | Neutral (3,250K) | 1,600 1,300 | Halogen | 2 Way | Glass | Clear | 100 200 | 11/16" | 3 3/4" | T4 5/8 | 00000000 | 00000 |
| C | 9007/100/80W | 12V AC/12V DC | 100W 80W | Neutral (3,200K) | 1,700 1,500 | Halogen | 2 Way | Glass | Clear | 100 150 | 11/16" | 3 3/4" | T4 5/8 | 00000000 | 00000 |
| D | 9006/80W | 12V AC/12V DC | 80W | Neutral (3,100K) | 1,900 | Halogen | Not Dimmable | Glass | Clear | 150 | 1/2" | 3 1/16" | T4 | 00000000 | 0000 |
Terminal Base Sealed-Beam Vehicle Headlamp Light Bulbs
The sealed assembly withstands the rigors of outdoor use. In addition to using these bulbs in vehicles, they can be used for spot, flood, and emergency lighting. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
| Bulb Trade Number | Voltage | Wattage | Light Appearance | Brightness, lumens | Light Technology | Light Setting | Bulb Material | Color | Rated Life, hrs. | Bulb Dia. | O'all Lg. | Each | |
Slip-On Terminal Base | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
PAR36 Bulb | |||||||||||||
| 4340 | 48V DC | 80W | Warm (3,000K) | 200 | Incand. | Not Dimmable | Glass | Clear | 400 | 4 1/2" | 2 3/4" | 00000000 | 000000 |
LED Light Bulbs for High-Intensity Discharge (HID) Lights
Replace high-intensity discharge (HID) lights with the longer-lasting, energy-efficient LEDs. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. LED lights are perceived as brighter at night than high-intensity discharge light technologies, so they require fewer lumens to provide the same brightness. Match your old light’s wattage to find the right LED bulb. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh.
Ballast bypass bulbs eliminate the need for a ballast, so the socket must be wired directly to the power source.
Equiv. Bulb Wattage | Bulb | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Metal Halide | High-Pressure Sodium | Mercury Vapor | Light Appearance | Brightness, lumens | Operating Position | Bulb Dia. | Ht. | Wd. | O'all Lg. | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Specifications Met | Each | |
Ballast Bypass | |||||||||||||||
Rectangular Bulb—EX39 Mogul Base | |||||||||||||||
| 250W | 250W | 250W | Neutral (4,000K) | 10,760 | Base Up, Base Down, Horizontal | __ | 8.4" | 4.3" | 8 13/32" | 80W | 50,000 | 9.64 | UL Listed, C-UL Listed | 00000000 | 0000000 |
Tubular Bulb—EX39 Mogul Base | |||||||||||||||
| 250W | __ | __ | Warm (3,000K) Neutral (4,000K) Cool (5,000K) | 11,200 12,200 12,400 | Base Up, Base Down, Horizontal | 5" | __ | __ | 10" | 80W | 50,000 | 9.64 | UL Listed, C-UL Listed | 00000000 | 000000 |