4-Pin Base Light Bulbs | McMaster-Carr

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Equivalent Fluorescent Bulb Wattage

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8PL-C/T/COR/26H-3CCT/MF10/P/20/1

8PL-C/T/COR/26V-3CCT/MF10/P/20/1

11PL-C/T/COR/32H-3CCT/MF15/P/20/1

11PL-C/T/COR/32V-3CCT/MF15/P/20/1

16PL-C/T/COR/42HV-5CCT/FF18/4P/10/1

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80 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.

Four-Pin Wedge-Base Plug-In Compact Light Bulbs


LED (Horizontal Operating Position)	LED (Base Up and Base Down Operating Position)	LED (Horizontal, Base Up, and Base Down Operating Position)	CFL (Horizontal, Base Up, and Base Down Operating Position)

Change out the four-pin wedge base CFL bulbs in your fixture, or upgrade to LED. Often used in can lights, these bulbs are comparable to PL, Dulux, and Biax bulbs. Select a light appearance to match your existing lighting. If you’re not sure what temperature you need, choose a bulb with more than one light appearance. You can adjust the temperature with a switch.

LED—LED bulbs last longer and are more efficient than CFL bulbs. You can choose bulbs that work with or without a ballast—some bulbs can do both.

CFL—CFL bulbs contain small amounts of mercury. For disposal information, visit www.epa.gov/cfl.

Ballast-Bypass LED—Ballast-bypass bulbs work with sockets that are wired directly to the power source, which cuts down on maintenance. If your fixture has a ballast, you’ll need to remove it.

Ballast Compatible LED—Ballast-compatible bulbs are a quick replacement for CFL bulbs, since they work with most electronic ballasts. Check if your ballast is compatible by selecting a part number and clicking product detail.

Cannot Be Sold To—Bulbs cannot be sold to the listed areas because they do not meet local regulations for mercury content or energy efficiency.

	Brightness, lm	Color Rendering Index	Bulb Material	Overall Lg.	Wattage, W	Rated Life, hr.	Cannot Be Sold To	Pkg. Qty.		Pkg.
LED—Ballast Compatible (Type A)







	G24q-1, G24q-2, G24q-3, GX24q-1, GX24q-2, GX24q-3, GX24q-4 Base

	26	Horizontal	Warm (3,000 K)	900	82	Plastic	6 3/8"	8.5	40,000	—	1	1619N37	000000


	26	Horizontal	Warm (3,000 K)	900	82	Plastic	6 3/8"	8.5	40,000	—	10	1619N77	000000
	26	Horizontal	Neutral (3,500 K)	900	82	Plastic	6 3/8"	8.5	40,000	—	1	1619N38	00000
	26	Horizontal	Neutral (3,500 K)	900	82	Plastic	6 3/8"	8.5	40,000	—	10	1619N78	000000
	26	Horizontal	Neutral (4,000 K)	950	82	Plastic	6 3/8"	8.5	40,000	—	1	1619N39	00000
	26	Horizontal	Neutral (4,000 K)	950	82	Plastic	6 3/8"	8.5	40,000	—	10	1619N79	000000
	26	Base Down Base Up	Warm (2,700 K)	1,200	82	Plastic	4 7/8"	16.5	40,000	—	1	1619N41	00000
	26	Base Down Base Up	Warm (3,000 K)	1,200	82	Plastic	4 7/8"	16.5	40,000	—	1	1619N42	00000
	26	Base Down Base Up	Warm (3,000 K)	1,200	82	Plastic	4 7/8"	16.5	40,000	—	10	1619N82	000000
	26	Base Down Base Up	Neutral (3,500 K)	1,200	82	Plastic	4 7/8"	16.5	40,000	—	1	1619N43	00000
	26	Base Down Base Up	Neutral (3,500 K)	1,200	82	Plastic	4 7/8"	16.5	40,000	—	10	1619N83	000000


	26	Base Down Base Up	Neutral (4,000 K)	1,300	82	Plastic	4 7/8"	16.5	40,000	—	1	1619N44	00000
	26	Base Down Base Up	Neutral (4,000 K)	1,300	82	Plastic	4 7/8"	16.5	40,000	—	10	1619N84	000000
	32	Horizontal	Warm (3,000 K)	1,350	82	Plastic	6 1/2"	12	50,000	—	1	1647N53	00000
	32	Horizontal	Neutral (3,500 K)	1,400	82	Plastic	6 7/16"	12	50,000	—	1	1647N54	00000
	32	Horizontal	Neutral (4,000 K)	1,450	82	Plastic	6 1/2"	12	50,000	—	1	1647N55	00000
	32	Base Down Base Up	Warm (3,000 K)	1,400	82	Plastic	4 15/16"	12	50,000	—	1	1647N57	00000
	32	Base Down Base Up	Neutral (3,500 K)	1,450	82	Plastic	4 15/16"	12	50,000	—	1	1647N58	00000
	32	Base Down Base Up	Neutral (4,000 K)	1,500	82	Plastic	4 15/16"	12	50,000	—	1	1647N59	00000


	LED—Ballast-Bypass (Type B)







					G24q-1, G24q-2, G24q-3, GX24q-1, GX24q-2, GX24q-3, GX24q-4 Base

					26	Horizontal	Warm (3,000 K) Neutral (3,500 K) Neutral (4,000 K)	1,050	83	Plastic	5 5/16"	8	30,000	—	1	1619N95	00000


					26	Base Down Base Up	Warm (3,000 K) Neutral (3,500 K) Neutral (4,000 K)	1,050	83	Plastic	4 1/8"	8	30,000	—	1	1619N97	00000
					32	Horizontal	Warm (3,000 K) Neutral (3,500 K) Neutral (4,000 K)	1,500	83	Plastic	5 5/16"	11	30,000	—	1	1619N96	00000
					32	Base Down Base Up	Warm (3,000 K) Neutral (3,500 K) Neutral (4,000 K)	1,500	83	Plastic	4 1/8"	11	30,000	—	1	1619N98	00000


					LED—Ballast-Bypass, Ballast Compatible (Type A, Type B)







									G24q-1, G24q-2, G24q-3, GX24q-1, GX24q-2, GX24q-3, GX24q-4 Base

									42	Horizontal Base Down Base Up	Warm (2,700 K) Warm (3,000 K) Neutral (3,500 K) Neutral (4,000 K) Cool (5,000 K)	1,850	82	Plastic	6 1/8"	16	50,000	—	1	1619N99	00000


CFL







									G24q-1 Four-Pin Wedge

									13	Horizontal Base Down Base Up	Warm (2,700 K)	850	80	Glass	5 1/8"	13	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K211	0000


									13	Horizontal Base Down Base Up	Neutral (3,500 K)	850	80	Glass	5 1/8"	13	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K212	0000
									13	Horizontal Base Down Base Up	Neutral (4,100 K)	850	80	Glass	5 1/8"	13	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K213	0000




											G24q-2 Four-Pin Wedge

											18	Horizontal Base Down Base Up	Warm (2,700 K)	1,050	80	Glass	5 3/4"	18	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K214	0000


											18	Horizontal Base Down Base Up	Neutral (3,500 K)	1,050	80	Glass	5 3/4"	18	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K215	0000
											18	Horizontal Base Down Base Up	Neutral (4,100 K)	1,050	80	Glass	5 3/4"	18	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K216	0000




													G24q-3 Four-Pin Wedge

													26	Horizontal Base Down Base Up	Warm (2,700 K)	1,600	80	Glass	6 1/2"	26	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K217	0000


	26												Horizontal Base Down Base Up	Neutral (3,500 K)	1,500	80	Glass	6 1/2"	26	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K218	0000
	26	Horizontal Base Down Base Up											Neutral (4,100 K)	1,600	80	Glass	6 1/2"	26	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K219	0000




			GX24q-3 Four-Pin Wedge

			32	Horizontal Base Down Base Up									Warm (2,700 K)	2,030	80	Glass	5 5/8"	32	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K221	0000


			32	Horizontal Base Down Base Up									Neutral (3,500 K)	2,030	80	Glass	5 5/8"	32	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K222	0000
			32	Horizontal Base Down Base Up									Neutral (4,100 K)	2,030	80	Glass	5 5/8"	32	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K223	0000




													GX24q-4 Four-Pin Wedge

					42								Horizontal Base Down Base Up	Warm (3,000 K)	3,200	82	Glass	6 1/2"	42	16,000	California, Canada, Colorado, Hawaii, Maine, Minnesota, Oregon, Rhode Island	1	1528K45	0000


					42	Horizontal Base Down Base Up							Neutral (3,500 K)	3,000	80	Glass	6 3/8"	42	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K224	0000
					42	Horizontal Base Down Base Up							Neutral (4,100 K)	3,000	80	Glass	6 3/8"	42	10,000	California, Canada, Colorado, Hawaii, Illinois, Maine, Minnesota, Oregon, Rhode Island	1	1528K225	0000

Four-Pin-Base Plug-In Compact Light Bulbs

Swap out the four-pin base fluorescent bulbs in your fixture or upgrade them to LED. Often used in recessed ceiling lights and wall sconces, these bulbs are comparable to PL, Dulux, and Biax bulbs. Select a light appearance to match your existing lighting. If you’re not sure what temperature you need, choose a bulb with more than one light appearance. You can adjust the temperature with a switch. All bulbs can be used in horizontal or vertical operating positions.

LED—LED bulbs last longer and are more efficient than CFL bulbs. They work with most electronic ballasts, so you can use them in existing fixtures without rewiring the socket. Check if your ballast is compatible by selecting a part number and clicking product detail. To avoid future maintenance, you can also remove the ballast from your fixture and wire the socket directly to the power source.

CFL—CFL bulbs contain small amounts of mercury. For disposal information, visit www.epa.gov/cfl.

Cannot Be Sold To—Bulbs that cannot be sold to the listed areas do not meet local regulations for mercury content or energy efficiency.

	Equiv. Fluorescent Bulb Wattage, W	Light Appearance	Brightness, lm	Color Rendering Index	Bulb Material	Overall Lg.	Wattage, W	Rated Life, hr.	Cannot Be Sold To		Each
2G7 Base Number







				CFL

				9	Neutral (4,100 K)	580	82	Glass	5 11/16"	9	20,000	California, Canada, Colorado, Hawaii, Maine, Minnesota, Oregon, Rhode Island	1528K54	00000


				2GX7 Base Number







								CFL

								13	Warm (2,700 K)	800	82	Glass	6 3/16"	13	10,000	California, Canada, Colorado, Hawaii, Maine, Minnesota, Oregon, Rhode Island	1528K57	0000


								13	Neutral (4,100 K)	800	82	Glass	6 3/16"	13	10,000	California, Canada, Colorado, Hawaii, Maine, Minnesota, Oregon, Rhode Island	1528K56	0000


								2G11 Base Number







												LED—Ballast-Bypass, Ballast Compatible (Type A, Type B)

												18	Neutral (3,500 K)	900	82	Plastic-Coated Glass	8 15/16"	8	50,000	—	1528K112	00000


												18	Neutral (4,100 K)	1,000	82	Plastic-Coated Glass	8 15/16"	8	50,000	—	1528K113	00000
												24	Neutral (3,500 K)	1,200	82	Plastic-Coated Glass	12 5/8"	10	50,000	—	1528K114	00000
												24	Neutral (4,100 K)	1,300	82	Plastic-Coated Glass	12 5/8"	10	50,000	—	1528K115	00000
												36	Warm (3,000 K) Neutral (3,500 K) Neutral (4,000 K) Cool (5,000 K) Daylight (6,500 K)	2,000	82	Plastic-Coated Glass	16 5/16"	16	50,000	—	1528K133	00000
												40	Neutral (3,500 K)	2,150	82	Plastic-Coated Glass	22 3/8"	17	50,000	—	1528K116	00000
												40	Neutral (4,100 K)	2,300	82	Plastic-Coated Glass	22 3/8"	17	50,000	—	1528K117	00000
												55	Neutral (4,100 K)	3,400	82	Plastic-Coated Glass	21 1/8"	24	50,000	—	1528K118	00000




														CFL

														18	Warm (3,000 K)	1,250	82	Glass	8 7/8"	18	12,000	—	1528K119	0000


														18	Neutral (3,500 K)	1,250	82	Glass	8 7/8"	18	12,000	—	1528K122	0000
														18	Neutral (4,100 K)	1,250	82	Glass	8 7/8"	18	12,000	—	1528K123	0000
														24	Neutral (3,500 K)	1,800	82	Glass	12 7/8"	24	12,000	—	1528K124	0000
														24	Neutral (4,100 K)	1,800	82	Glass	12 7/8"	24	12,000	—	1528K125	0000
														36	Warm (3,000 K)	2,900	82	Glass	16 7/16"	36	15,000	California, Canada, Colorado, Hawaii, Maine, Minnesota, Oregon, Rhode Island, Vermont	1528K83	00000
														36	Neutral (3,500 K)	2,900	82	Glass	16 5/8"	36	12,000	—	1528K126	0000
														36	Neutral (4,100 K)	2,900	82	Glass	16 5/8"	36	12,000	—	1528K127	0000
40														Warm (3,000 K)	3,150	82	Glass	22 3/8"	40	20,000	—	1528K128	0000
40	Neutral (3,500 K)													3,150	82	Glass	22 3/8"	40	20,000	—	1528K129	0000
40	Neutral (4,100 K)													3,150	82	Glass	22 3/8"	40	20,000	—	1528K131	0000


55	Neutral (3,500 K)	4,800												82	Glass	21 1/8"	55	12,000	—	1528K132	00000
55	Neutral (4,100 K)	4,800	82											Glass	21 1/8"	55	12,000	California, Canada, Colorado, Hawaii, Maine, Minnesota, Oregon, Rhode Island	1528K42	00000

O-Shaped Tubular Light Bulbs


T5 Bulb Shape	T9 Bulb Shape

Swap new circular CFL bulbs into your fixture or upgrade to LED. These bulbs are often used in illuminated workstation magnifiers. Select a light appearance to match your existing lighting. Bulbs with more than one light appearance have a switch that allows you to match other lights in the room.

CFL—CFL bulbs contain small amounts of mercury. For disposal information, visit www.epa.gov/cfl.

Ballast-Bypass LED—Ballast bypass bulbs also work with sockets that are wired directly to the power source, which cuts down on maintenance.

										Small Pack			Large Pack
	Overall Dia.	Equivalent Fluorescent Bulb Wattage	Light Appearance	Brightness	Color Rendering Index	Bulb Material	Equiv. Fluorescent Bulb Trade No.	Wattage	Rated Life, hr.	Pkg. Qty.		Pkg.	Pkg. Qty.		Pkg.
T5 Bulb Shape (5/8" Dia.)







				CFL

				9"	22 W	Neutral (3,500 K)	1,800 lm	82	Glass	FC22T5	22 W	12,000	1	1614K39	00000	—	———	0


				9"	22 W	Neutral (4,100 K)	1,900 lm	82	Glass	FC22T5	22 W	12,000	1	1614K41	0000	—	———	0


				T9 Bulb Shape (1 1/8" Dia.)







								CFL

								8"	22 W	Warm (3,000 K)	1,150 lm	52	Glass	FC8T9	22 W	12,000	1	1614K31	0000	12	1614K32	000000


								8"	22 W	Neutral (4,100 K)	1,050 lm	62	Glass	FC8T9	22 W	12,000	1	1614K33	0000	12	1614K34	00000
								8"	22 W	Daylight (6,200 K)	910 lm	76	Glass	FC8T9	22 W	11,000	1	1614K35	0000	12	1614K36	00000
								12"	32 W	Neutral (4,100 K)	1,800 lm	62	Glass	FC12T9	32 W	12,000	1	1614K37	0000	—	———	0
								16"	40 W	Neutral (4,100 K)	2,500 lm	62	Glass	FC16T9	40 W	12,000	1	1614K38	00000	—	———	0




										LED—Ballast Compatible (Type A)

										8 3/8"	22 W	Neutral (4,100 K)	1,400 lm	80	Plastic	FC8T9	15 W	25,000	1	1614K42	00000	12	1614K43	000000


										8 3/8"	22 W	Daylight (6,500 K)	1,400 lm	80	Plastic	FC8T9	15 W	25,000	1	1614K44	00000	12	1614K45	000000




												LED—Ballast Bypass, Ballast Compatible (Type A, Type B)

												8"	22 W	Warm (3,000 K) Neutral (4,100 K) Cool (5,000 K)	1,200 lm	82	Plastic	FC8T9	11 W	36,000	1	1614K46	00000	6	1614K47	000000

Ultraviolet Disinfecting Light Bulbs

Twin Tube Four-Pin

Base

Disinfect air, water, and surfaces without chemical cleaners. These light bulbs use shortwave ultraviolet radiation, also called UV-C, to kill viruses and bacteria. They’re often used in surface cleaning lights, air purifiers, and water treatment systems.

Ultraviolet radiation can harm your skin and eyes. For safety, install these bulbs in fixtures with UV protection or wear UV-protective gear while using them.

Rated Life—The length of time these bulbs will effectively kill germs. Replace them after the listed period, even if they still light up.

	Bulb Trade No.	Bulb Base No.	Rated Life, hr.	Wavelength Type	Wavelength, nm		Each
Twin Tube Four-Pin Base







	T16 Bulb

	14 7/8"	36	Glass	G36T16	2G11	9,000	UV-C	254	9188K16	000000