2G11 Base Light Bulbs | McMaster-Carr

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Bulb Base Number

2G11

Bulb Base Type

Four-Pin

Bulb Shape

Twin Tube

Manufacturer Equivalent Model Number

Overall Length

Manufacturer Equivalent

Color Temperature

Operating Position

Light Appearance

Wattage

Equivalent Fluorescent Bulb Wattage

Bulb Trade Number

Light Technology

Rated Life

10,000 hr. to 19,999 hr.

20,000 hr. to 29,999 hr.

Estimated Yearly Energy Cost

Ballast Type

Bulb Shape Number

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Brightness

Minimum Temperature

Rated Life @ 3 Hours per Day

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Maximum Temperature

12 Products

About Brightness and Light Appearance

Find the right lumen level to brighten your space. Then, compare the way warm, neutral, and cool lighting affect the appearance of everyday objects.

About Replacing Tubular Fluorescent Light Bulbs

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).

2G11 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
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, HI, ME, MN, OR, RI, VT	1528K81	000000
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, HI, ME, MN, OR, RI, VT	1528K26	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, HI, ME, MN, OR, RI, VT	1528K98	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, HI, ME, MN, OR, RI, VT	1528K99	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, HI, ME, MN, OR, RI, VT	1528K83	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, HI, ME, MN, OR, RI, VT	1528K24	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, HI, ME, MN, OR, RI, VT	1528K79	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, HI, ME, MN, OR, RI, VT	1528K88	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, HI, ME, MN, OR, RI, VT	1528K78	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, HI, ME, MN, OR, RI, VT	1528K41	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, HI, ME, MN, OR, RI	1528K42	00000

Ultraviolet Light Bulbs

Twin-Tube Bulb

Disinfect air, water, and surfaces with shortwave ultraviolet radiation. Ultraviolet radiation is harmful to skin and eyes; only install bulbs in fixtures that provide adequate protection. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh.

T16 Twin-Tube Bulb
O'all Lg.	Wattage	Brightness	Current	Bulb Material	Color	Rated Life, hrs.	Est. Yearly Energy Cost, $	Bulb Trade Number	Wavelength Type		Each
14 7/8"	36W	Not Rated	0.43A	Glass	Clear	9,000	5.24	G36T16	UV-C	9188K16	000000

About Replacing Tubular Fluorescent Light Bulbs

Four-Pin Base Plug-In Compact Light Bulbs

Ultraviolet Light Bulbs