Light Bulbs
LIGHT BULB COATINGS REVEALED
Most light bulbs are available with a variety of coatings, or, no coating at all. Clear bulbs are useful when a stark, intense luminance is desired. If clear incandescent and halogen bulbs are fully exposed, the human eye will see the illuminated tungsten filament directly. This is used to good effect in Edison-style historic reproduction and vintage bulbs.
Clear bulbs can create hard shadows that in most cases are not desirable. One solution is "inside frost," the most common bulb coating. It is applied to most bulb types and sizes to provide soft appearing illumination. Frost produces moderate diffusion of the light with almost no reduction in light output.
Some bulbs come with a white coating. Finely powdered white silica coats the inside of the bulb. The result is more diffuse light than inside frost, minimizing shadows with very little absorption of light.
So called "daylight" incandescent bulbs are coated with neodymium that gives a bluish appearance to the light. These bulbs are not true full-spectrum bulbs; rather, they give the appearance of daylight by filtering out the warmer wavelengths light.
Other specialty coatings, such as for shatter-resistance, are also available. If you have any special coating needs please call us.
CONFUSED BY LIGHT BULB DESCRIPTIONS?
Light bulb descriptions can seem arcane, but they tell a lot about the bulb before you ever read the fine print. Let's look at two examples. Many bulb descriptions include a letter followed by a number. A few examples: A19, BR30, PAR20, ED28, T8. The letters are a code for bulb shape (Bulged Reflector, etc) and the number is the diameter of the bulb, at the widest point, in 1/8 inch increments. To calculate the diameter in inches, simply divide the number by 8. Now look at a typical fluorescent bulb description: F32T8/841. Translation: F is fluorescent, 32 is watts, T is shape (tubular), 8 is diameter (1 inch) and 841 gives you both CRI and color temperature information. The first number tells you the color temperature range; in this case in the 80s. The second two numbers indicate color temperature, so 41 means 4100K.
150T10/H/F Bulb - 150W 130V T10 Inside Frosted Halogen Medium Base Lamp
150T3Q/CL Bulb - 150W 130V Halogen J-Type (Short) Double Ended
This Hikari J 130V 150W 78MM 1125, J-1013 bulb uses 150 watts and 130 volts. It has a R7S base, and an average rated life of 2000 hours. It has a T3 lamp shape, and is a halogen bulb.
150T3Q/CL BULB. J-Type 78mm short. Cross reference: SATCO S3135.
159 Bulb | 0.143 Amp, 6.3 Volt, 0.9 Watts, T3.25, Wedge Base
This incandescent bulb with ANSI code 159 uses 0.143 amps, 6.3 volts, and 0.9 watts. It has a T3.25 lamp shape, and wedge base. The 159 bulb has an average rated life of 20000 hours.
1594 Bulb | 5 Amp, 6 Volt, 30 Watts, S8, BA15D Base
This incandescent bulb with ANSI code 1594 uses 5 amps, 6 volts, and 30 watts. It has a S8 lamp shape, and BA15D base. The 1594 bulb has an average rated life of 250 hours.
15A/B Bulb - 15W A15 Blue Incandescent
This Damar 15A15/B 73B bulb uses 15 watts and 120 volts. It has a E26 medium base, and an average rated life of 2500 hours. It has a A15 lamp shape, and is an incandescent bulb.
15A/B BULB
15A15WL Bulb - 15W 120V A15 Incandescent Soft White (2 Pack)
This Philips 15A/WL 120V 16860-5 bulb uses 15 watts and 120 volts. It has a E26 medium base, and an average rated life of 3000 hours. It has a A15 lamp shape, and is an incandescent bulb.
15A15WL BULB.
15CAC Bulb 15W 120V CA8 Incandescent Candelabra Base Clear
This Satco 15CA8 S3273 bulb uses 15 watts and 120 volts. It has a E12 candelabra base, and an average rated life of 1500 hours. It has a CA8 lamp shape, and is an incandescent bulb.
15CAC BULB.
15FC Bulb 15W 120V F10 2PK. Incandescent Clear Candelabra Base
This GE 15FC CD2 48395 bulb uses 15 watts and 120 volts. It has a E12 candelabra base, and an average rated life of 1500 hours. It has a F10 lamp shape, and is an incandescent bulb.
15FC. GE 47928
15FC Bulb 15W 130V F10 Incandescent Clear Candelabra Base
This Bulbrite 15F10CL 420115 bulb uses 15 watts and 130 volts. It has a E12 candelabra base, and an average rated life of 2500 hours. It has a F10 lamp shape, and is an incandescent bulb.
15FC BULB.
15FC/AU 2PK Bulb | 15W 120V F10 Auradescent Candelabra Base - 2-Pack
This GE 15FC/AU CD2 48394 bulb uses 15 watts and 120 volts. It has a E12 candelabra base, and an average rated life of 1500 hours. It has a F10 lamp shape, and is an incandescent bulb.
15FC/AU bulb. Price shown is for 2-pack.
15S11/102CF Bulb 15W 120V S11 Frosted Incandescent Medium Base
This Eiko 15S11/102IF 4411 bulb uses 15 watts and 120 volts. It has a E26 medium base, and an average rated life of 2500 hours. It has a S11 lamp shape, and is an incandescent bulb.
Applications: ophthalmic. Cross reference: Osram Sylvania (17079).
15S11/13 Bulb 15W 120V S11 Clear Incandescent Candelabra Base
This Eiko 15S11-13 41516 bulb uses 15 watts and 120 volts. It has a E12 candelabra base, and an average rated life of 750 hours. It has a S11 lamp shape, and is an incandescent bulb.
Cross reference: GE (13210).
15S11/87W - 15W 120V Incandescent - S11 - Intermediate Base - Frosted
This Eiko 41304 41304 bulb uses 15 watts and 120 volts. It has a E17 intermediate base, and an average rated life of 600 hours. It has a S11 lamp shape, and is an incandescent bulb.
15S11/87W BULB.
15S11N Bulb 15W 120V S11 Clear Incandescent Intermediate Base
This Topbulb 15S11N bulb uses 15 watts and 120 volts. It has a E17 intermediate base, and an average rated life of 1500 hours. It has a S11 lamp shape, and is an incandescent bulb.
15S11N BULB.
15T10 Bulb 15W 120V T10 Clear Incandescent Medium Base
This Topbulb 15T10 bulb uses 15 watts and 120 volts. It has a E26 medium base, and an average rated life of 1000 hours. It has a T10 lamp shape, and is an incandescent bulb.
15T10 BULB.
15T6 Bulb 15W 130V T6 Clear Incandescent Candelabra Base
Cross reference: 15T6C-130, Osram Sylvania (18037 120V), GE (13390 120V).
15T6/145V - 15W 145V T6 Incandescent Clear, Candelabra Base
This Standard 15T6/CL/7.5M/E12/145V/STD 50668 bulb uses 15 watts and 145 volts. It has a E12 candelabra base, and an average rated life of 7500 hours. It has a T6 lamp shape, and is an incandescent bulb.
15T6/145V. Cross reference: Osram Sylvania
15T7DC Bulb 15W 130V T7 Clear Incandescent Double Contact Bayonet Base
This Eiko 15T7DC-130V 43008 bulb uses 15 watts and 130 volts. It has a BA15D base, and an average rated life of 1500 hours. It has a T7 lamp shape, and is an incandescent bulb.
15T7DC BULB.
15T7N Bulb 15W 130V T7 Clear Incandescent Intermediate Base
This Eiko 15T7N-130V 43004 bulb uses 15 watts and 130 volts. It has a E17 intermediate base, and an average rated life of 1500 hours. It has a T7 lamp shape, and is an incandescent bulb.
15T7N BULB. Application notes: ophthalmic. Cross reference: Marco 4008,
15W 120V G16.5 Incandescent - Globe - Clear - Candelabra Base
This Topbulb 15G161/2 bulb uses 15 watts and 120 volts. It has a E12 candelabra base, and an average rated life of 1500 hours. It has a G16.5 lamp shape, and is an incandescent bulb.
15G161/2 BULB.
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