Tombstone Sockets | McMaster-Carr

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11 Products

Sockets for Tubular Light Bulbs

Replace worn sockets in light fixtures. These sockets work with tubular fluorescent bulbs, and some also work with LED bulbs.

Sockets for rapid and preheat ballasts are also known as non-shunted.

Sockets for instant-start ballasts are also known as shunted.

For T5 Bulbs—Fluorescent and LED

For Bi-Pin T5 Bulbs

	For Max.								For Wire
For Ballast Start Type	Bulb Wattage	Voltage	Mount Type	Ht.	Wd.	Dp.	Material	Color	Gauge	Construction	Specifications Met		Pair
For Bi-Pin Base
Rapid	120W	600V AC	Slide On	1 1/8"	3/4"	1/2"	Plastic	White	18	Solid, Stranded	CSA Certified, UL Listed	0000000	000000

For T8 and T12 Bulbs—Fluorescent

For Bi-Pin T8 and T12 Bulbs

For Single-Pin T8 and T12 Bulbs

	For Max.								For Wire
For Ballast Start Type	Bulb Wattage	Voltage	Mount Type	Ht.	Wd.	Dp.	Material	Color	Gauge	Construction	Specifications Met		Pair
For Bi-Pin Base
Instant	660W	600V AC	Slide On	1 3/4"	1 1/4"	3/4"	Plastic	White	18	Solid, Stranded	CSA Certified, UL Listed	0000000	000000
For Single Pin Base
Instant	660W	600V AC	Slide On	1 7/8"	1 3/8"	1 7/8"	Plastic	White	18	Solid, Stranded	CSA Certified, UL Listed	0000000	00000

For T8 and T12 Bulbs—Fluorescent and LED

For Bi-Pin T8 and T12 Bulbs

For Recessed Double-Contact T8 and T12 Bulbs

	For Max.								For Wire
For Ballast Start Type	Bulb Wattage	Voltage	Mount Type	Ht.	Wd.	Dp.	Material	Color	Gauge	Construction	Specifications Met		Pair
For Bi-Pin Base
Rapid, Preheat	660W	600V AC	Slide On	1 3/4"	1 1/4"	3/4"	Plastic	White	18	Solid, Stranded	CSA Certified, UL Listed	0000000	000000
Rapid, Preheat	660W	600V AC	Slide On	2 1/8"	1 1/4"	3/4"	Plastic	White	18	Solid, Stranded	CSA Certified, UL Listed	0000000	0000
For Recessed Double-Contact Base
Rapid, Preheat	660W	600V AC	Slide On	2 3/8"	1 1/2"	2"	Plastic	White	18	Solid, Stranded	CSA Certified, UL Listed	0000000	00000

Tight-Hold Sockets for Tubular Light Bulbs

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

Sockets for rapid and preheat ballasts are also known as non-shunted.

Sockets for instant-start ballasts are also known as shunted.

	For Max.								For Wire
For Ballast Start Type	Bulb Wattage	Voltage	Mount Type	Ht.	Wd.	Dp.	Material	Color	Gauge	Construction	Specifications Met		Pair
For T8 Bulbs—Fluorescent
For Bi-Pin Base
Rapid, Programmed	600W	600V AC	Slide On	1 3/8"	1 1/8"	3/4"	Plastic	White	18	Solid, Stranded	CSA Certified, UL Listed	0000000	000000
For T8 Bulbs—Fluorescent and LED
For Bi-Pin Base
Instant	660W	600V AC	Slide On	1 3/8"	1 1/8"	3/4"	Plastic	White	18	Solid, Stranded	CSA Certified, UL Listed	0000000	00000
For T8 and T12 Bulbs—Fluorescent and LED
For Bi-Pin Base
Rapid, Preheat	660W	600V AC	Slide On	1 3/8"	1"	3/8"	Plastic	White	18	Solid, Stranded	CSA Certified, UL Listed	0000000	0000

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	Voltage	Material	Color	Mounting Hardware Included	Specifications Met		Each
For Single-End Powered T8 Bulbs—LED
For Bi-Pin Base
4	4 1/4", 5"	2	60W	277V AC	Powder-Coated Steel	White	Yes	UL Listed, C-UL Listed	00000000	000000
8	4 1/4", 5"	4	60W	277V AC	Powder-Coated Steel	White	Yes	UL Listed, C-UL Listed	00000000	00000