CFL Light Bulbs | McMaster-Carr

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Medium (Standard Household)

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10,000 hr. to 19,999 hr.

20,000 hr. to 29,999 hr.

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55 Products

About Replacing Tubular Fluorescent Light Bulbs

About Light Appearance

About Brightness

Spiral

Medium (Standard Household)

Use these bulbs in standard sockets, panels, and appliances. 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. Bulbs with a cool or daylight appearance have white/blue tones and are good for inspecting. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.

CFL (compact fluorescent) bulbs are more energy efficient and last longer than halogen bulbs. It takes several seconds for them to reach full brightness. They contain small amounts of mercury (for disposal information, visit www.epa.gov/cfl).

Silicone-coated glass and plastic-coated glass bulbs are shatter-resistant; the coating retains glass shards if they do break.

Bulbs that cannot be sold to the listed areas are restricted due to energy efficiency requirements, mercury regulations, and product registration requirements.

For technical drawings and 3-D models, click on a part number.

Spiral Bulb—Medium (Standard Household) Base (1 1/16" Dia.)
Equiv. Incand. Bulb Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Material	Color	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To	Pkg. Qty.		Pkg.
120V AC
75W	Warm (2,700K)	1,200	CFL	Not Dimmable	Plastic-Coated Glass	Frosted	18W	10,000	2.17	Canada, CA, CO, HI, OR, RI, VT	1	0000000	000000
75W	Warm (2,700K)	1,200	CFL	Not Dimmable	Plastic-Coated Glass	Frosted	18W	10,000	2.17	Canada, CA, CO, HI, OR, RI, VT	12	0000000	000000
500W	Daylight (6,500K)	6,400	CFL	Not Dimmable	Glass	Frosted	105W	7,600	12.70	Canada, CA, CO, HI, OR, RI, VT	1	0000000	00000
500W	Daylight (6,500K)	6,400	CFL	Not Dimmable	Glass	Frosted	105W	7,600	12.70	Canada, CA, CO, HI, OR, RI, VT	6	00000000	000000

Twist-and-Lock Base Light Bulbs

Spiral

These bulbs lock into GU24 light sockets with a twist. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh.

CFL (compact fluorescent) bulbs are energy efficient but take several seconds to reach full brightness. They contain small amounts of mercury (for disposal information, visit www.epa.gov/cfl). These bulbs cannot be sold to the listed areas due to energy efficiency and mercury regulations.

Spiral Bulb—GU24 Base
Equiv. Incand. Bulb Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Material	Color	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Bulb Dia.	O'all Lg.	Pkg. Qty.	Cannot Be Sold To		Pkg.
120V AC
60W	Warm (2,700K)	900	CFL	Not Dimmable	Glass	Frosted	13W	9,800	1.57	2 1/8"	3 5/8"	1	Canada, CA, CO, HI, OR, RI, VT	0000000	00000

Two-Pin Wedge Base Plug-In Compact Light Bulbs

Often used in task lights, these bulbs are comparable to PL, Dulux, and Biax bulbs. 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 often used in workspaces. Bulbs with a cool light appearance have white/blue tones and are good for inspecting. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh.

CFL (compact fluorescent) bulbs are energy efficient, but take several seconds to reach full brightness. They cannot be sold to the listed areas because they do not meet local efficiency standards and exceed local regulatory limits on mercury (for disposal information, visit www.epa.gov/cfl). Plastic-coated glass bulbs are shatter resistant; the coating retains glass shards if they break.

G23 Base

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To		Each
5W	Warm (2,700K)	250	CFL	Not Dimmable	Glass	4 3/16"	5W	10,000	0.60	Canada, CA, CO, OR, RI	0000000	00000
7W	Cool (4,100K)	400	CFL	Not Dimmable	Glass	5 5/16"	7W	10,000	0.84	Canada, CA, CO, OR, RI	0000000	0000
7W	Cool (4,100K)	400	CFL	Not Dimmable	Plastic-Coated Glass	5 5/16"	7W	10,000	0.84	Canada, CA, CO, OR, RI	000000	00000
9W	Warm (2,700K)	600	CFL	Not Dimmable	Glass	6 5/8"	9W	10,000	1.08	Canada, CA, CO, OR, RI	0000000	0000
9W	Neutral (3,500K)	580	CFL	Not Dimmable	Glass	6 1/2"	9W	10,000	1.08	Canada, CA, CO, OR, RI	0000000	00000
9W	Cool (4,100K)	600	CFL	Not Dimmable	Glass	6 5/8"	9W	10,000	1.08	Canada, CA, CO, OR, RI	0000000	0000

GX23 Base

Horizontal, Base
Up, Base Down
Operating Position

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To		Each
13W	Warm (2,700K)	825	CFL	Not Dimmable	Glass	7"	13W	10,000	1.57	Canada, CA, CO, OR, RI	0000000	00000
13W	Neutral (3,500K)	825	CFL	Not Dimmable	Glass	7"	13W	10,000	1.57	Canada, CA, CO, OR, RI	0000000	0000
13W	Cool (4,100K)	800	CFL	Not Dimmable	Plastic-Coated Glass	7 1/8"	13W	10,000	1.57	Canada, CA, CO, OR, RI	000000	00000
13W	Cool (4,100K)	825	CFL	Not Dimmable	Glass	7"	13W	10,000	1.57	Canada, CA, CO, OR, RI	0000000	0000
13W	Cool (5,000K)	800	CFL	Not Dimmable	Glass	7"	13W	10,000	1.57	Canada, CA, CO, OR, RI	00000000	0000

G23-2 Base

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To		Each
9W	Warm (2,700K)	525	CFL	Not Dimmable	Glass	4 5/16"	9W	10,000	1.08	CA, Canada, CO, OR, RI	0000000	000000

GX23-2 Base

Horizontal, Base
Up, Base Down
Operating Position

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To		Each
13W	Warm (2,700K)	860	CFL	Not Dimmable	Glass	4 5/8"	13W	10,000	1.57	Canada, CA, CO, OR, RI	0000000	000000
13W	Neutral (3,500K)	860	CFL	Not Dimmable	Glass	4 5/8"	13W	10,000	1.57	Canada, CA, CO, OR, RI	0000000	00000
13W	Cool (4,100K)	860	CFL	Not Dimmable	Glass	4 5/8"	13W	10,000	1.57	Canada, CA, CO, OR, RI	0000000	00000

G24d-2 Base

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To		Each
18W	Neutral (3,500K)	1,250	CFL	Not Dimmable	Glass	6"	18W	10,000	2.17	Canada, CA, CO, OR, RI	0000000	000000
18W	Cool (4,100K)	1,250	CFL	Not Dimmable	Glass	6"	18W	10,000	2.17	Canada, CA, CO, OR, RI	0000000	00000

G24d-3 Base

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To		Each
26W	Warm (2,700K)	1,800	CFL	Not Dimmable	Glass	6 13/16"	26W	10,000	3.13	Canada, CA, CO, OR, RI	0000000	000000
26W	Neutral (3,500K)	1,800	CFL	Not Dimmable	Glass	6 13/16"	26W	10,000	3.13	Canada, CA, CO, OR, RI	0000000	00000
26W	Cool (4,100K)	1,800	CFL	Not Dimmable	Glass	6 13/16"	26W	10,000	3.13	Canada, CA, CO, OR, RI	0000000	00000

GX32d-2 Base

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To		Each
22W	Warm (2,700K)	1,200	CFL	Not Dimmable	Glass	6"	22W	10,000	2.65	Canada, CA, CO, OR, RI	0000000	000000

GX32d-3 Base

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To		Each
28W	Warm (2,800K)	1,600	CFL	Not Dimmable	Glass	6 13/16"	28W	10,000	3.37	Canada, CA, CO, OR, RI	0000000	000000

Four-Pin Base Plug-In Compact Light Bulbs

2G7 Base

2GX7 Base

2G11 Base

Energy efficient and long lasting, these bulbs are often used in task lights. They’re comparable to PL, Dulux, and Biax bulbs. It takes these bulbs several seconds to reach full brightness. 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 often used in workspaces. Bulbs with a cool light appearance have white/blue tones and are good for inspecting. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh. These bulbs cannot be sold to the listed areas because they do not meet local efficiency standards and exceed local regulatory limits on mercury (for disposal information, visit www.epa.gov/cfl).

For technical drawings and 3-D models, click on a part number.

2G7 Base
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Operating Position	Light Setting	Light Technology	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To		Each
9W	Cool (4,100K)	580	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	5 11/16"	9W	20,000	1.08	Canada, CA, CO, OR, RI	0000000	000000
2GX7 Base
13W	Warm (2,700K)	800	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	6 3/16"	13W	10,000	1.57	Canada, CA, CO, OR, RI	0000000	00000
13W	Cool (4,100K)	800	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	6 3/16"	13W	10,000	1.57	Canada, CA, CO, OR, RI	0000000	00000
2G11 Base
18W	Warm (3,000K)	1,250	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	8 15/16"	18W	15,000	2.17	Canada, CA, CO, OR, RI	0000000	00000
18W	Neutral (3,500K)	1,250	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	8 15/16"	18W	15,000	2.17	Canada, CA, CO, OR, RI	0000000	00000
18W	Cool (4,100K)	1,250	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	8 15/16"	18W	15,000	2.17	Canada, CA, CO, OR, RI	0000000	00000
24W	Cool (4,100K)	1,800	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	12 11/16"	24W	15,000	2.89	Canada, CA, CO, OR, RI	0000000	00000
36W	Warm (3,000K)	2,900	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	16 7/16"	36W	15,000	4.34	Canada, CA, CO, OR, RI	0000000	00000
36W	Neutral (3,500K)	2,900	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	16 7/16"	36W	15,000	4.34	Canada, CA, CO, OR, RI	0000000	00000
36W	Cool (4,100K)	2,900	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	16 7/16"	36W	15,000	4.34	Canada, CA, CO, OR, RI	0000000	00000
40W	Warm (3,000K)	3,300	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	22 1/2"	40W	20,000	4.82	Canada, CA, CO, OR, RI	0000000	00000
40W	Cool (4,100K)	3,300	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	22 1/2"	40W	20,000	4.82	Canada, CA, CO, OR, RI	0000000	00000
50W	Neutral (3,500K)	4,000	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	22 1/2"	50W	20,000	6.02	Canada, CA, CO, OR, RI	0000000	00000
55W	Cool (4,100K)	4,800	Horizontal, Base Up, Base Down	Dimmable	CFL	Glass	21 1/8"	55W	12,000	6.62	Canada, CA, CO, OR, RI	0000000	00000

Four-Pin Wedge Base Plug-In Compact Light Bulbs

G24q-1 Base

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Setting	Light Technology	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To	Pkg. Qty.		Pkg.
13W	Warm (2,700K)	900	Dimmable	CFL	Glass	5 3/16"	13W	12,000	1.57	Canada, CA, CO, OR, RI	1	0000000	000000
13W	Neutral (3,500K)	900	Dimmable	CFL	Glass	5 3/16"	13W	12,000	1.57	Canada, CA, CO, OR, RI	1	0000000	00000
13W	Cool (4,100K)	900	Dimmable	CFL	Glass	5 3/16"	13W	12,000	1.57	Canada, CA, CO, OR, RI	1	0000000	00000

G24q-2 Base

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Setting	Light Technology	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To	Pkg. Qty.		Pkg.
18W	Warm (2,700K)	1,250	Dimmable	CFL	Glass	5 11/16"	18W	12,000	2.17	Canada, CA, CO, OR, RI	1	0000000	000000
18W	Neutral (3,500K)	1,250	Dimmable	CFL	Glass	5 11/16"	18W	12,000	2.17	Canada, CA, CO, OR, RI	1	0000000	00000
18W	Cool (4,100K)	1,250	Dimmable	CFL	Glass	5 11/16"	18W	12,000	2.17	Canada, CA, CO, OR, RI	1	0000000	00000

G24q-3 Base

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Setting	Light Technology	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To	Pkg. Qty.		Pkg.
26W	Warm (2,700K)	1,800	Dimmable	CFL	Glass	6 1/2"	26W	12,000	3.13	Canada, CA, CO, OR, RI	1	0000000	000000
26W	Neutral (3,500K)	1,800	Dimmable	CFL	Glass	6 1/2"	26W	12,000	3.13	Canada, CA, CO, OR, RI	1	0000000	00000
26W	Cool (4,100K)	1,800	Dimmable	CFL	Glass	6 1/2"	26W	12,000	3.13	Canada, CA, CO, OR, RI	1	0000000	00000

GX24q-3 Base

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Setting	Light Technology	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To	Pkg. Qty.		Pkg.
26W	Warm (3,000K)	1,800	Dimmable	CFL	Glass	5"	26W	16,000	3.13	Canada, CA, CO, OR, RI	1	0000000	000000
32W	Warm (3,000K)	2,400	Dimmable	CFL	Glass	5 5/8"	32W	16,000	3.85	Canada, CA, CO, OR, RI	1	0000000	00000
32W	Cool (4,100K)	2,400	Dimmable	CFL	Glass	5 5/8"	32W	16,000	3.85	Canada, CA, CO, OR, RI	1	0000000	00000

GX24q-4 Base

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Setting	Light Technology	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To	Pkg. Qty.		Pkg.
42W	Warm (3,000K)	3,200	Dimmable	CFL	Glass	6 1/2"	42W	16,000	5.06	Canada, CA, CO, OR, RI	1	0000000	000000
42W	Cool (4,100K)	3,200	Dimmable	CFL	Glass	6 1/2"	42W	16,000	5.06	Canada, CA, CO, OR, RI	1	0000000	00000

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About Replacing Tubular Fluorescent Light Bulbs

About Light Appearance

About Brightness

Screw-In Base Light Bulbs

Twist-and-Lock Base Light Bulbs

Two-Pin Wedge Base Plug-In Compact Light Bulbs

Four-Pin Base Plug-In Compact Light Bulbs

Four-Pin Wedge Base Plug-In Compact Light Bulbs