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Home Lighting


Incandescent Light Bulbs
A Guide to Light Bulb Bases

Standard - A (medium base unless listed otherwise)

15 watt - appliance bulb: Clear, Frosted, opaque: Blue, Red

25 watt - Clear, Frosted, Rough Service

25 watt - opaque: Blue, Green, Orange, Pink, Red, Yellow

25 watt - transparent: Amber, Blue, Green, Red, Yellow

25 watt - FOR ENERGY SAVINGS, SUBSTITUTE 7 watt Compact Fluorescent

30/70/100 watt - 3-way

40 watt - Clear, Frosted

40 watt - opaque: Blue, Pink, Red, Yellow

50/100/150 watt - 3-way

50/200/250 watt - 3-way (long neck)

60 watt - appliance bulb: Clear, Frosted

60 watt - ceiling fan bulb: Clear, Frosted

60 watt - Clear, Frosted, Full Spectrum, Long Life, Vibration Resistant

60 watt - FOR ENERGY SAVINGS, SUBSTITUTE 15 watt Compact Fluorescent

60 watt - opaque: Green, Pink, Red, Yellow Bug Light,

60 watt - opaque: Light Blue, Green, Red, Yellow

75 watt - Clear, Frosted, Rough Service

75 watt - FOR ENERGY SAVINGS, SUBSTITUTE 20 watt Compact Fluorescent

100 watt - Frosted, Full Spectrum, Long Life,

100 watt - Neodymium (full spectrum), Yellow Bug Light

100 watt - FOR ENERGY SAVINGS, SUBSTITUTE 26 watt Compact Fluorescent

100/200/300 watt - 3-way (mogul base)

150 watt - Long Life

150 watt - Frosted (mogul base)

150 watt - Frosted, Full Spectrum,

200 watt - Frosted

300 watt - Frosted


Floods / Spots - R, BR, ER, K (medium base unless listed otherwise)

example: R-20 = R shape and 20 x 1/8" or 2-1/2" maximum bulb diameter

25 watt - Flood (intermediate base) - R-14

30 watt - Flood (long life), Spot (long life), Spot (rough service) - R-20

40 watt - Flood, Spot - R-14

40 watt - Flood, Spot - R-16

40 watt - Director Lamp - K-19

50 watt - Flood, Flood (full spectrum), Spot, Spot (full spectrum) - R-20

50 watt - Flood - BR-30

50 watt - Flood - ER-30

50 watt - Flood, Spot, Spot (full spectrum) - R-20

60 watt - Director Lamp - K-19

65 watt - Flood, Spot - BR-30

75 watt - Flood, Spot - BR-40

75 watt - Flood - ER-30

75 watt -Flood, Spot - R-20

75 watt - Director Lamp - K-19

100 watt - Flood - BR-25

100 watt - Flood, Spot - BR-30

100 watt - Flood - R-20

100 watt - Flood, Flood (full spectrum) - R-30

100 watt - Director Lamp - K-19

120 watt - Flood - BR-40

120 watt - Flood - ER-40

150 watt - Flood - BR-38

150 watt - Flood, Plant Light - BR-40

200 watt - Flood- BR-40

250 watt - Heat Lamp - BR-40

250 watt - Heat Lamp - R-40

 

Bent Tip / Flame Tip - BA, CA (candelabra base unless listed otherwise)

3 watt - Flicker Flame, Flicker Flame (medium base)

7 watt - Clear Flame Twist, Frosted Flame Twist

10 watt - Clear

15 watt - Frosted

25 watt - Clear, Clear (medium base), Frosted, Frosted (medium base), 12 Volt, Petite

40 watt - Clear, Clear (medium base), Frosted

60 watt - Clear, Clear (medium base), Frosted, Satin

Torpedo - B (candelabra base unless listed otherwise)

15 watt - Clear

25 watt - Clear, Clear (medium base), White, White (medium base), Amber

40 watt - Clear, Clear (medium base), White, White (medium base)

60 watt - Clear, Clear (medium base), White, White (medium base)

Holiday / Night Light - C7 (candelabra base)

4 watt - Clear, White

7 watt - Clear, White, Orange, Red

10 watt - Clear

Flame - F (candelabra base unless listed otherwise)

F shape; example: F-10 = F shape and 10 x 1/8" or 1-1/4" maximum bulb diameter

15 watt - Clear, Amber - F-10

25 watt - Clear, White, Amber - F-15

25 watt - Clear (medium base), Amber (medium base) - F-15

40 watt - White (medium base) - F-15

Decorative (other)

25 watt - Prism Shape (candelabra base)

Globe - G (medium base except where noted otherwise)

example: G-40 = G shape and 40 x 1/8" or 5" maximum bulb diameter

15 watt - Clear (candelabra base), White (candelabra base) - G-16 1/2

25 watt - Clear (candelabra base), White (candelabra base) - G-16 1/2

25 watt - White - G-18 1/2

25 watt - Clear, White - G-19 1/2

25 watt - Clear, White - G-25

25 watt - Clear, White - G-40

40 watt - Clear (candelabra base), White (candelabra base) - G-16 1/2

40 watt - Clear (long life), Clear (candelabra base), White (long life), White (candelabra base) - G-25

40 watt - Full Spectrum, Neodymium, Pink - G-25

40 watt - Clear, White - G-40

60 watt - Clear (candelabra base), White (candelabra base) - G-16 1/2

60 watt - White - G-18 1/2

60 watt - White - G-25

60 watt - White - G-30

60 watt - Clear, White - G-40

100 watt - White - G-25

100 watt - Clear - G-40

150 watt - White - G-40

Tubular - T

T shape; example: T-10 = T shape and 10 x 1/8" or 1-1/4" maximum bulb diameter

15 watt - Clear (candelabra base) - T-6

15 watt - Clear (medium base) - T-10

25 watt - Clear (intermediate base) - T-6 1/2

25 watt - Clear (medium base) - T-10

40 watt - Clear (intermediate base) - T-6 1/2

40 watt - Clear (medium base) - T-10

60 watt - Frosted (medium base) - T-10

Appliance / Other - S, T (candelabra base unless listed otherwise)

S shape; example: S-11 = S shape and 11 x 1/8" or 1-3/8" maximum bulb diameter

10 watt - Frosted (intermediate base) - S-11

11 watt - opaque (medium base): Blue, Green, Red, Yellow - S-14

11 watt - transparent (medium base): Amber - S-14

15 watt - Clear, Clear (intermediate base) - T-7

15 watt - Clear, Clear (intermediate base), Frosted - S-11

40 watt - Clear (intermediate base) - S-11

 

 


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