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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.
Bayonet-Base Floodlight Bulbs
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Pins on the base lock these bulbs into sockets to withstand vibration. Often used in recessed can fixtures and track lighting, they produce a focused beam of light. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.
Light | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Voltage | Equiv. Incandescent Bulb Wattage, W | Appearance | Tech. | Brightness | Beam Angle | Bulb Trade No. | Bulb Material | Color | Wattage, W | Rated Life, hr. | Est. Yearly Energy Cost | Bulb Dia. | Overall Lg. | Each | |||
Single Contact—Small Bayonet Base (0.59" Dia.) | |||||||||||||||||
R12 Bulb Shape | |||||||||||||||||
| 13V AC/13V DC | 20 | Not Rated | Incandescent | Not Rated | Not Rated | 1383 | Glass | Frosted | 19.5 | 300 | $2.50 | 1 1/2" | 2 5/8" | 9527T09 | 00000 | ||
| 28V AC/28V DC | 20 | Not Rated | Incandescent | Not Rated | Not Rated | 1385 | Glass | Frosted | 20 | 300 | $2.50 | 1 1/2" | 2 5/8" | 9527T091 | 0000 | ||
