Lamp Sockets | McMaster-Carr

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For Socket Base Size

Medium (Standard Household)

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For Bulb Base Diameter

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Maximum Wattage per Bulb

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For Bulb Base Size

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68 Products

Sockets for Screw-In Light Bulbs


No Switch	Knob Switch

Hardwire these sockets to a power source.

		For Screw-In Base		Pipe
	Switch Type	Size	Dia.	Thread Type	Size	Gender	Color	Wire Connection	No. of Wire Leads	Certification		Each
For LED, CFL, Halogen, and Incandescent Lights







				Plastic

				No Switch	Medium (Standard Household)	1 1/16"	NPSM	1/8	Female	Black	Wire Leads	2	UL Listed	14695K96	00000




						Brass

						No Switch	Medium (Standard Household)	1 1/16"	NPSM	1/8	Female	—	Screw Terminal	—	UL Listed	14695K51	00000


						Knob	Medium (Standard Household)	1 1/16"	NPSM	1/8	Female	—	Screw Terminal	—	UL Listed	14695K82	0000

Light Bulb Sockets


Style A	Style B	Style C	Style D

Install sockets for medium (standard household) screw-in base light bulbs.

Styles A-C—Styles A-C mount to outlet boxes.

					Overall							Housing				Mounting Holes
	Style	Switch Type	Mount Type	Wire Connection	Dia.	Lg.	Wd.	Voltage, V AC	Screw-In Base Size	Max. Wattage per Bulb, W	Collar Dia.	Material	Color	For Outlet Box Ht.	Mounting Hardware Included	No. of	Dia.	Certification		Each
For LED, CFL, Halogen, and Incandescent Lights



		A	No Switch	Fastener	Screw Terminal	4 1/2"	—	—	120, 208, 240	Medium (Standard Household)	660	1 9/16"	Porcelain	White	3 1/4", 4"	Yes	2	7/32"	UL Listed, CSA Certified	16895K12	00000


		B	Pull Chain	Fastener	Screw Terminal	4 1/2"	—	—	120, 208, 240	Medium (Standard Household)	250	1 11/16"	Porcelain	White	3 1/4", 4"	Yes	2	7/32"	UL Listed, CSA Certified	16895K8	00000
		C	Pull Chain	Fastener	Screw Terminal	4 1/2"	—	—	120	Medium (Standard Household)	250	1 5/8"	Porcelain	White	3 1/4", 4"	Yes	2	7/32"	UL Listed, CSA Certified	16895K9	00000
		D	No Switch	Fastener	Screw Terminal	—	2"	2"	120, 208, 240, 277, 480	Medium (Standard Household)	660	1 1/2"	Porcelain	White	—	No	2	3/16"	UL Listed	14695K18	0000

Temporary Light Bulb Sockets

Also known as pigtail holders. Temporarily wire these sockets to provide light during construction. They have a rubber lip that molds around bulbs to form a water-resistant seal.

								Housing
	Mount Type	Wire Connection	Overall Dia.	Voltage, V AC	Screw-In Base Size	Max. Wattage per Bulb, W	Collar Dia.	Material	Color	Certification		Each
For LED, CFL, Halogen, and Incandescent Lights



		Suspension	Wire Leads	1 1/2"	120, 208, 240, 277, 480	Medium (Standard Household)	300	1 5/8"	Ceramic	Yellow	UL Listed	8289K31	000000

Sockets for Tubular Light Bulbs


For Bi-Pin Tubular Bulbs	For Bi-Pin U-Shaped Bulbs	For Recessed Double-Contact Tubular Bulbs	For Single-Pin Tubular Bulbs

Replace worn sockets to extend the life of your light fixture. These sockets work with LED and fluorescent tubular bulbs.

For Rapid-Start Ballasts and For Preheat-Start Ballasts—Sockets for rapid and preheat-start ballasts are also known as non-shunted.

For Instant-Start Ballasts—Sockets for instant-start ballasts are also known as shunted.

		For Max.								For Wire
	For Ballast Start Type	Bulb Wattage, W	Voltage, V AC	Mount Type	Ht.	Wd.	Dp.	Material	Color	Ga.	Construction	Certification		Pair
For T8 and T12 Bulb Shape—Fluorescent and LED Lights







				For Bi-Pin Tubular Bulbs

				Rapid, Preheat	660	600	Slide On	1 3/4"	1 1/4"	3/4"	Plastic	White	18	Solid, Stranded	UL Listed, CSA Certified	1462K75	000000


				Rapid, Preheat	660	600	Slide On	2 1/8"	1 1/4"	3/4"	Plastic	White	18	Solid, Stranded	UL Listed, CSA Certified	1462K77	0000
				Instant	660	600	Slide On	1 3/4"	1 1/4"	3/4"	Plastic	White	18	Solid, Stranded	UL Listed, CSA Certified	1462K76	0000




						For Bi-Pin U-Shaped Bulbs

						Rapid	660	600	Slide On	1 1/2"	1 1/4"	3/4"	Plastic	White	18	Solid	UL Listed, C-UL Listed	1462K214	0000


						Instant	660	600	Slide On	1 1/2"	1 1/4"	3/4"	Plastic	White	18	Solid	UL Listed, C-UL Listed	1462K215	0000




								For Recessed Double-Contact Tubular Bulbs

								Rapid, Preheat	660	600	Slide On	2 3/8"	1 1/2"	2"	Plastic	White	18	Solid, Stranded	UL Listed, CSA Certified	1462K27	00000




										For Single-Pin Tubular Bulbs

										Rapid	660	600	Slide On	1 3/4"	1 1/4"	1 1/4"	Plastic	White	18	Solid	UL Listed, C-UL Listed	1462K213	00000


										Instant	660	600	Slide On	1 7/8"	1 3/8"	1 7/8"	Plastic	White	18	Solid, Stranded	UL Listed, CSA Certified	1462K16	0000

Plug-In Sockets with Cord for Screw-In Light Bulbs

Create temporary light wherever you need it. Just screw in a bulb and plug the socket into any two-blade outlet. The 15 ft. cord gives you ample distance from your outlet. These sockets are compatible with medium (standard household) screw-in base light bulbs.

Mount them in a 1 _1/4" dia. hole with the included nut, or suspend with cable ties (not included).

	For Screw-In Base
	Size	Dia.	Wattage, W	Mount Type	Material	Color	Certification	Cord Lg., ft.		Each
For LED, Halogen, and Incandescent Lights







				For Screw-In Bulb Bases

				Medium (Standard Household)	1 1/16"	660	Plug In	Plastic	White	UL Listed, C-UL Listed	15	7870N101	000000

Tight-Hold Sockets for Tubular Light Bulbs

Lock bulbs in place to prevent vibration from shaking them loose. These sockets replace worn sockets in light fixtures. They work with tubular fluorescent and LED bulbs.

For Rapid-Start Ballasts and For Preheat-Start Ballasts—Sockets for rapid or preheat-start ballasts are also known as non-shunted.

For Instant-Start Ballasts—Sockets for instant-start ballasts are also known as shunted.

		For Max.									For Wire
	For Ballast Start Type	Bulb Wattage, W	Voltage, V AC	Mount Type	Ht.	Wd.	Dp.	Material	Color	Wire Connection	Ga.	Construction	Certification		Pair
For T5 Tubular Bulbs—Fluorescent and LED Lights







				For Bi-Pin Bulb Bases

				Rapid	120	600	Slide On, Snap In	1 1/8"	3/4"	1/2"	Plastic	White	Spring-Clamp Terminal	18	Solid, Stranded	UL Listed, CSA Certified	1462K68	00000


				Instant	120	600	Slide On, Snap In	1 1/8"	3/4"	5/8"	Plastic	White	Spring-Clamp Terminal	18	Solid	UL Listed	1462K311	00000
				Instant	120	600	Slide On, Snap In	1 1/2"	3/4"	5/8"	Plastic	White	Spring-Clamp Terminal	18	Solid	UL Listed	1462K312	00000


				For T8 Tubular Bulbs—Fluorescent and LED Lights







								For Bi-Pin Bulb Bases

								Rapid, Programmed	600	600	Slide On, Snap In	1 3/8"	1 1/8"	3/4"	Plastic	White	Spring-Clamp Terminal	18	Solid, Stranded	UL Listed, CSA Certified	1462K79	0000


								Instant	660	600	Slide On, Snap In	1 3/8"	1 1/8"	3/4"	Plastic	White	Spring-Clamp Terminal	18	Solid, Stranded	UL Listed, CSA Certified	1462K74	00000


								For T8 and T12 Tubular Bulbs—Fluorescent and LED Lights







												For Bi-Pin Bulb Bases

												Rapid, Preheat	660	600	Slide On, Snap In	1 3/8"	1"	3/8"	Plastic	White	Spring-Clamp Terminal	18	Solid, Stranded	UL Listed, CSA Certified	1462K72	0000


												Instant	660	600	Slide On, Snap In	1 1/2"	1 1/4"	3/4"	Plastic	White	Spring-Clamp Terminal	18	Solid	UL Listed, C-UL Listed	1462K313	0000
												Instant	660	600	Slide On, Snap In	1 7/8"	7/8"	7/8"	Plastic	White	Spring-Clamp Terminal	18	Solid	UL Listed, C-UL Listed	1462K314	0000

Sockets for Miniature Light Bulbs


Style A	Style B	Style C

Install miniature light bulbs into control panels, machines, and other devices using bulb holders. Pair a socket with a lens cap to create a miniature lamp.

For Midget Flanged Base (0.28" Dia.)

Style A

Lens Caps—The lens cap diffuses light and protects the bulb.

Sockets									Lens Caps
Style	For Bulb Shape No.	For Max. Bulb Dia.	For Cutout Dia.	For Max. Panel Thk.	Ht.	Material		Each	Lens Dia.	Ht.	Material	Choose a Lens Color		Each
A	T1 3/4	1/4"	1/2"	0.25"	0.84"	Metal	8275K11	000000	0.5"	0.7"	Plastic	Clear , Green , Red	8275K18	000000

For Miniature Bayonet Base (0.36" Dia.)


Style B	Style C

Lens Caps—The lens cap diffuses light and protects the bulb.

Sockets									Lens Caps
Style	For Bulb Shape No.	For Max. Bulb Dia.	For Cutout Dia.	For Max. Panel Thk.	Ht.	Material		Each	Lens Dia.	Ht.	Material	Choose a Lens Color		Each
B	T3 1/4	0.35"	11/16"	0.25"	1.88"	Metal	8275K21	000000	0.63"	0.63"	Plastic	Green , Red , Yellow	8275K22	000000
C	T4 1/2	0.58"	7/8"	0.313"	1.67"	Plastic	8275K42	0000	1.14"	0.52"	Plastic	Clear , Green , Red	8275K52	0000

Plug-In Sockets for Screw-In Light Bulbs

Turn an overhead outlet or an extension cord into a temporary light. These sockets have a two-blade plug for a quick connection.

	For Screw-In Base
	Size	Dia.	Switch Type	Mount Type	Material	Color	Certification		Each
For LED, CFL, Halogen, and Incandescent Lights







				For Screw-In Bulb Bases

				Medium (Standard Household)	1 1/16"	No Switch	Plug In	Plastic	Brown	UL Listed	14695K97	00000

Sockets for Bayonet Base Light Bulbs

Socket

Shown with

Bulb

Bracket Mount

Pipe

Mount

Add lighting to machinery that’s prone to vibration—these sockets lock bayonet-base bulbs in place to resist bumps and movements. They make replacing bulbs easy because you don’t have to thread the bulbs in like screw-in sockets.

Bracket Mount—Bracket-mount sockets require No. 6 screws (not included) for installation.

Pipe Mount—Pipe-mount sockets are installed by drilling a _3/8" hole in your panel and securing the pipe nipple with a panel nut (sold separately).

	Sockets																				Steel Hex Panel Nuts
	For Bulb Base			For Max.		Pipe						For Wire			Mounting Holes
	Contact Type	Size	Dia.	Bulb Wattage, W	Voltage, V AC	Size	Thread Type	Ht.	Material	Wire Connection	Wire Lead Lg.	Ga.	Construction	Mounting Fasteners Included	No. of	Dia.	Ctr.-to-Ctr.	Certification		Each	Pkg. Qty.		Pkg.
Bracket Mount



		Single	Small	0.59"	500	125	—	—	1"	Iron	Wire Leads	9"	18	Stranded	No	2	5/32"	1 1/4"	UL Recognized Component	8217N13	00000	—	———	0


		Double	Small	0.59"	500	125	—	—	1"	Iron	Wire Leads	9"	18	Stranded	No	2	5/32"	1 1/4"	UL Recognized Component	8217N14	0000	—	———	0


		Pipe Mount



				Single	Small	0.59"	500	125	1/8	NPSM	1 3/8"	Iron	Wire Leads	9"	18	Stranded	—	—	—	—	UL Recognized Component	8217N11	0000	1	91862A101	00000


				Double	Small	0.59"	500	125	1/8	NPSM	1 3/8"	Iron	Wire Leads	12"	18	Stranded	—	—	—	—	UL Recognized Component	8217N12	0000	1	91862A101	0000

Light Socket Extenders

Use these extenders when bulbs are too short to fit into deep or recessed fixtures.

	For Bulb Base			For Socket Base
	Type	Size	Dia.	Type	Size	Dia.	Extension Lg.	Material	Certification		Each
For Incandescent, Halogen, CFL, and LED Lights



		Screw In	Medium (Standard Household)	1 1/16"	Screw In	Medium (Standard Household)	1 1/16"	1 1/4"	Porcelain	UL Listed	14695K94	000000

Sockets for Plug-In Compact Light Bulbs


Style A	Style B	Style C

Style D	Style E	Style F

Replace worn sockets in light fixtures. These sockets work with plug-in compact fluorescent and LED bulbs.

Fastener Mount—Fastener-mount sockets provide more holding power than snap-on sockets so they withstand vibration better.

Snap On—Push snap-on sockets onto fixture panels that are 0.023” to 0.039” thick.

			For Max.									For Wire		Mounting Holes
	Style	For Bulb Base No.	Bulb Wattage, W	Voltage, V AC	Mount Type	Ht.	Wd.	Dp.	Material	Color	Wire Connection	Ga.	Construction	No. of	Dia.	Certification		Each
For Twin Tube Bulbs—CFL and LED Lights







				For Four-Pin Bulb Bases

				A	2G11	75	600	Fastener	1"	1 7/8"	1 3/8"	Plastic	White	Spring-Clamp Terminal	18	Solid	2	5/32"	UL Listed, CSA Certified	8310K63	000000




						For Two-Pin Wedge Bulb Bases

						B	G23	75	600	Snap On	1 3/8"	1 1/2"	1 3/8"	Plastic	White	Spring-Clamp Terminal	18	Solid, Stranded	—	—	UL Listed, CSA Certified	8310K12	0000


						B	GX23	75	600	Snap On	1 3/8"	1 1/2"	1 3/8"	Plastic	White	Spring-Clamp Terminal	18	Solid, Stranded	—	—	UL Listed, CSA Certified	8310K22	0000
						C	G23/G23-2	75	600	Fastener	1 1/4"	1 3/8"	1 1/4"	Plastic	White	Spring-Clamp Terminal	18	Solid, Stranded	4	5/32"	UL Listed, CSA Certified	8310K13	0000
						C	GX23/GX23-2	75	600	Fastener	1 1/4"	1 3/8"	1 1/4"	Plastic	White	Spring-Clamp Terminal	18	Solid, Stranded	4	5/32"	UL Listed, CSA Certified	8310K23	0000
						D	G23/G23-2	75	600	Snap On	1 1/8"	1 1/2"	1 3/8"	Plastic	White	Spring-Clamp Terminal	18	Solid, Stranded	—	—	UL Listed, CSA Certified	8310K11	0000
						D	GX23/GX23-2	75	600	Snap On	1 1/8"	1 1/2"	1 3/8"	Plastic	White	Spring-Clamp Terminal	18	Solid, Stranded	—	—	UL Listed, CSA Certified	8310K21	0000


						For Quad Tube Bulbs—CFL and LED Lights







										For Two-Pin Wedge Bulb Bases

										E	G24d-3	75	600	Fastener	1 3/8"	1 1/2"	1 1/2"	Plastic	White	Spring-Clamp Terminal	18	Solid, Stranded	4	5/32"	UL Listed, CSA Certified	8310K34	00000


										For Quad Tube and Triple U-Shaped Bulbs—CFL and LED Lights







														For Four-Pin Wedge Bulb Bases

														F	G24q-3/GX24q-3	75	600	Fastener	1 3/8"	1 1/2"	1 1/2"	Plastic	White	Spring-Clamp Terminal	18	Solid, Stranded	4	5/32"	UL Listed, CSA Certified	8310K57	00000


														For Triple U-Shaped Bulbs—CFL and LED Lights







																		For Four-Pin Wedge Bulb Bases

																		F	GX24q-4	75	600	Fastener	1 3/8"	1 1/2"	1 1/2"	Plastic	White	Spring-Clamp Terminal	18	Solid, Stranded	4	5/32"	UL Listed, CSA Certified	8310K58	00000

Medium Screw-In Socket Adapters for Candelabra Screw-In Sockets

Convert a fixture that uses candelabra-base bulbs to accept medium-base bulbs with these adapters.

	For Bulb Base			For Socket Base
	Type	Size	Dia.	Type	Size	Dia.		Each
For Incandescent, Halogen, CFL, and LED Lights



		Screw In	Medium (Standard Household)	1 1/16"	Screw In	Candelabra	1/2"	2378N11	00000

Sealed Sockets for Miniature Light Bulbs

A sealing gasket keeps out oil and other contaminants. Pair a socket with a lens cap to create a miniature lamp in control panels, machines, and other devices.

For Miniature Bayonet Base (0.36" Dia.)

Image of Product. Front orientation. Light Sockets. Sealed Sockets for Miniature Light Bulbs.

Sockets									Lens Caps
For Bulb Shape No.	For Max. Bulb Dia.	For Cutout Dia.	For Max. Panel Thk.	Ht.	Material	Features		Each	Lens Dia.	Ht.	Material	Choose a Lens Color		Each
T3 1/4	0.35"	11/16"	0.25"	1.55"	Metal	Sealing Gasket	8275K31	000000	0.83"	0.86"	Plastic	Clear , Red , White , Yellow	8275K32	000000

Bi-Pin Socket Adapters for Bayonet Base Sockets


Shown with Bulb Installed

Install bi-pin base bulbs in fixtures designed for bayonet base bulbs.

	For Bulb Base		For Socket Base			For Single-Contact Socket Base		For Double-Contact Socket Base
	Type	No.	Type	Size	Dia.		Each		Each
For Halogen and LED Lights



		Bi-Pin	G4	Bayonet	Small	0.59"	7724N102	00000	7724N101	00000

Light Socket Splitters


Shown with Bulbs Installed

Double your light output by installing two bulbs in place of one.

	For Bulb Base			For Socket Base			For Max.
	Type	Size	Dia.	Type	Size	Dia.	Bulb Wattage, W	Voltage, V AC	Material	Color	Certification		Each
For Incandescent, Halogen, CFL, and LED Lights



		Screw In	Medium (Standard Household)	1 1/16"	Screw In	Medium (Standard Household)	1 1/16"	660	250	Plastic	White	UL Listed	7963N121	00000

Retrofit Socket Kits for Tubular Light Bulbs

Revive your fluorescent strip lights. These sockets replace aging ones and eliminate the need for ballasts. Instead, they power the bulb from one end. Use them with ballast bypass LED bulbs. They’re an economical alternative to replacing the ballast and outfitting your light with socket-ready LED bulbs.

Remove the old sockets and ballast, connect the spring-clamp terminals to your power supply, and bend the bracket tabs to fit the width of your fixture housing.

	For Fixture			For Max.
	Lg., ft.	Wd.	For No. of Bulbs	Bulb Wattage, W	Voltage, V AC	Material	Color	Mounting Hardware Included	Certification		Each
For Single-End T8 Tubular Bulbs—LED Lights







				For Bi-Pin Bulb Bases

				4	4 1/4", 5"	2	60	277	Steel	White	Yes	UL Listed, C-UL Listed	8083N111	000000


				8	4 1/4", 5"	4	60	277	Steel	White	Yes	UL Listed, C-UL Listed	8083N112	00000