T12 Overhead Lights | McMaster-Carr

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48 Products

About Replacing Tubular Fluorescent Light Bulbs

About Brightness

About Light Appearance

T12

Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Color rendering index (CRI) is a measurement on a scale of 0-100 of how accurately the light from a bulb represents an object's true colors; the higher the number, the more natural the colors appear. Any CRI value over 80 will show colors true to life. Bulbs with a warm light appearance have yellow tones. Bulbs with a neutral light appearance are often used in workspaces. Bulbs with a cool or daylight 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.

Fluorescent bulbs are energy efficient, but they contain small amounts of mercury (for disposal information, visit www.epa.gov/cfl). Plastic-coated glass bulbs are shatter resistant; the coating retains glass shards if they break.

Bulbs that cannot be sold to the regions listed exceed local regulatory limits on mercury and/or do not meet local efficiency standards.

T12 Bulb (1 1/2" Dia.)
O'all Lg.	Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	CRI	Light Setting	Bulb Material	Light Technology	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Bulb Trade Number	Cannot Be Sold To	Pkg. Qty.		Pkg.
15"	14W	Cool (4,100K)	650	70	Dimmable	Glass	Fluorescent	14W	9,000	1.69	F14T12	Canada	6	000000	000000
18"	15W	Cool (4,100K)	800	62	Dimmable	Glass	Fluorescent	15W	9,000	1.81	F15T12	Canada	6	000000	000000
18"	15W	Cool (4,100K)	800	62	Dimmable	Glass	Fluorescent	15W	9,000	1.81	F15T12	Canada	30	000000	000000
24"	20W	Cool (4,100K)	1,200	59	Dimmable	Glass	Fluorescent	20W	9,000	2.41	F20T12	Canada	6	0000000	00000
24"	20W	Cool (4,100K)	1,200	59	Dimmable	Glass	Fluorescent	20W	9,000	2.41	F20T12	Canada	30	000000	000000
24"	20W	Cool (4,100K)	1,200	62	Dimmable	Plastic-Coated Glass	Fluorescent	20W	11,000	2.41	F20T12	Canada	15	0000000	000000
24"	20W	Cool (4,100K)	1,200	62	Dimmable	Plastic-Coated Glass	Fluorescent	20W	11,000	2.41	F20T12	Canada	30	0000000	000000
36"	30W	Cool (4,100K)	2,250	59	Dimmable	Glass	Fluorescent	30W	18,000	3.61	F30T12	Canada	6	0000000	00000
36"	30W	Cool (4,100K)	2,250	59	Dimmable	Glass	Fluorescent	30W	18,000	3.61	F30T12	Canada	30	0000000	000000
48"	40W	Daylight (6,500K)	2,325	90	Dimmable	Glass	Fluorescent	40W	20,000	4.82	F40T12	Canada, CO, DC, HI, MA, NJ, NV, VT, NY, OR, WA	6	0000000	00000
48"	40W	Daylight (6,500K)	2,325	90	Dimmable	Glass	Fluorescent	40W	20,000	4.82	F40T12	Canada, CO, DC, HI, MA, NJ, NV, VT, NY, OR, WA	30	0000000	000000
48"	40W	Neutral (3,500K)	2,550	88	Dimmable	Glass	Fluorescent	40W	20,000	4.82	F40T12	Canada, CO, DC, HI, MA, NJ, NV, VT, NY, OR, WA	6	0000000	00000
48"	40W	Neutral (3,500K)	2,550	88	Dimmable	Glass	Fluorescent	40W	20,000	4.82	F40T12	Canada, CO, DC, HI, MA, NJ, NV, VT, NY, OR, WA	30	0000000	000000
48"	40W	Cool (4,100K)	2,600	89	Dimmable	Glass	Fluorescent	40W	20,000	4.82	F40T12	Canada, CO, DC, HI, MA, NJ, NV, VT, NY, OR, WA	6	0000000	00000
48"	40W	Cool (4,100K)	2,600	89	Dimmable	Glass	Fluorescent	40W	20,000	4.82	F40T12	Canada, CO, DC, HI, MA, NJ, NV, VT, NY, OR, WA	30	0000000	000000
48"	40W	Cool (4,100K)	2,600	89	Dimmable	Plastic-Coated Glass	Fluorescent	40W	24,000	4.82	F40T12	Canada, DC, NJ, NV, VT, NY	6	0000000	000000
48"	40W	Cool (4,100K)	2,600	89	Dimmable	Plastic-Coated Glass	Fluorescent	40W	24,000	4.82	F40T12	Canada, DC, NJ, NV, VT, NY	30	0000000	000000
48"	40W	Cool (5,000K)	2,500	90	Dimmable	Glass	Fluorescent	40W	20,000	4.82	F40T12	Canada, CO, DC, HI, MA, NJ, NV, VT, NY, OR, WA	6	0000000	00000
48"	40W	Cool (5,000K)	2,500	90	Dimmable	Glass	Fluorescent	40W	20,000	4.82	F40T12	Canada, CO, DC, HI, MA, NJ, NV, VT, NY, OR, WA	30	0000000	000000

Single-Pin Base Tubular Light Bulbs

T12

Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Color rendering index (CRI) is a measurement on a scale of 0-100 of how accurately the light from a bulb represents an object's true colors; the higher the number, the more natural the colors appear. Any CRI value over 80 will show colors true to life. 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.

Bulbs that cannot be sold to the listed regions do not meet local energy efficiency and/or mercury regulations.

T12 Bulb (1 1/2" Dia.)
O'all Lg.	Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	CRI	Light Setting	Bulb Material	Light Technology	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Bulb Trade Number	Cannot Be Sold To	Pkg. Qty.		Pkg.
48"	39W	Cool (4,100K)	2,950	62	Dimmable	Glass	Fluorescent	39W	9,000	4.70	F48T12	Canada, VT	6	0000000	000000
48"	39W	Cool (4,100K)	2,950	62	Dimmable	Glass	Fluorescent	39W	9,000	4.70	F48T12	Canada, VT	15	0000000	000000
72"	56W	Cool (4,100K)	4,450	59	Dimmable	Glass	Fluorescent	56W	12,000	6.75	F72T12	Canada	6	0000000	00000
72"	56W	Cool (4,100K)	4,450	59	Dimmable	Glass	Fluorescent	56W	12,000	6.75	F72T12	Canada	15	0000000	000000
96"	75W	Cool (4,100K)	4,400	87	Dimmable	Glass	Fluorescent	75W	12,000	9.03	F96T12	Canada, CO, DC, HI, MA, NJ, NV, NY, OR, VT, WA	6	0000000	000000
96"	75W	Cool (4,100K)	4,400	87	Dimmable	Glass	Fluorescent	75W	12,000	9.03	F96T12	Canada, CO, DC, HI, MA, NJ, NV, NY, OR, VT, WA	15	0000000	000000
96"	75W	Cool (4,100K)	5,000	89	Dimmable	Glass	Fluorescent	75W	12,000	9.03	F96T12	Canada, CO, DC, HI, MA, NJ, NV, NY, OR, VT, WA	6	0000000	000000
96"	75W	Cool (4,100K)	5,000	89	Dimmable	Glass	Fluorescent	75W	12,000	9.03	F96T12	Canada, CO, DC, HI, MA, NJ, NV, NY, OR, VT, WA	15	0000000	000000
96"	75W	Cool (4,100K)	5,000	89	Dimmable	Plastic-Coated Glass	Fluorescent	75W	14,000	9.03	F96T12	Canada, DC, NJ, NV, NY	6	0000000	000000
96"	75W	Cool (4,100K)	5,000	89	Dimmable	Plastic-Coated Glass	Fluorescent	75W	14,000	9.03	F96T12	Canada, DC, NJ, NV, NY	15	0000000	000000
96"	75W	Cool (5,000K)	5,000	90	Dimmable	Glass	Fluorescent	75W	12,000	9.03	F96T12	Canada, CO, DC, HI, MA, NJ, NV, NY, OR, VT, WA	6	0000000	000000
96"	75W	Cool (5,000K)	5,000	90	Dimmable	Glass	Fluorescent	75W	12,000	9.03	F96T12	Canada, CO, DC, HI, MA, NJ, NV, NY, OR, VT, WA	15	0000000	000000

Recessed Double-Contact Base Tubular Light Bulbs

T12/HO

Bulbs that cannot be sold to the listed regions do not meet local efficiency and/or mercury regulations.

T12/HO Bulb (1 1/2" Dia.)
O'all Lg.	Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	CRI	Light Setting	Bulb Material	Light Technology	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Bulb Trade Number	Cannot Be Sold To	Pkg. Qty.		Pkg.
24"	35W	Cool (4,200K)	1,650	60	Dimmable	Glass	Fluorescent	35W	9,000	4.22	F24T12/HO	Canada	6	0000000	0000000
24"	35W	Cool (4,200K)	1,650	60	Dimmable	Glass	Fluorescent	35W	9,000	4.22	F24T12/HO	Canada	30	0000000	000000
48"	60W	Cool (4,100K)	4,050	59	Dimmable	Glass	Fluorescent	60W	12,000	7.23	F48T12/HO	Canada, VT	6	0000000	000000
48"	60W	Cool (4,100K)	4,050	59	Dimmable	Glass	Fluorescent	60W	12,000	7.23	F48T12/HO	Canada, VT	15	0000000	000000
72"	85W	Cool (4,100K)	6,350	59	Dimmable	Glass	Fluorescent	85W	12,000	10.24	F72T12/HO	Canada	6	0000000	000000
72"	85W	Cool (4,100K)	6,350	59	Dimmable	Glass	Fluorescent	85W	12,000	10.24	F72T12/HO	Canada	15	0000000	000000
96"	110W	Daylight (6,500K)	7,800	73	Dimmable	Glass	Fluorescent	110W	12,000	13.25	F96T12/HO-O	Canada	6	0000000	00000
96"	110W	Daylight (6,500K)	7,800	73	Dimmable	Glass	Fluorescent	110W	12,000	13.25	F96T12/HO-O	Canada	15	0000000	000000
96"	110W	Cool (4,100K)	8,800	59	Dimmable	Glass	Fluorescent	110W	12,000	13.25	F96T12/HO-O	Canada	6	0000000	000000
96"	110W	Cool (4,100K)	8,800	59	Dimmable	Glass	Fluorescent	110W	12,000	13.25	F96T12/HO-O	Canada	15	0000000	000000
96"	110W	Cool (4,100K)	8,800	62	Dimmable	Plastic-Coated Glass	Fluorescent	110W	14,000	13.25	F96T12/HO-O	Canada, DC, NJ, NV, NY	6	0000000	000000
96"	110W	Cool (4,100K)	8,800	62	Dimmable	Plastic-Coated Glass	Fluorescent	110W	14,000	13.25	F96T12/HO-O	Canada, DC, NJ, NV, NY	15	0000000	000000

U-Shaped Tubular Light Bulbs

T12

Fluorescent bulbs are energy efficient, but they contain small amounts of mercury (for disposal information, visit www.epa.gov/cfl).

Bulbs that cannot be sold to the regions listed do not meet local regulatory limits on mercury content and/or local energy efficiency requirements.

T12 Bulb (1 1/2" Dia.)
O'all Lg.	Base Ctr.-to-Ctr.	Equiv. Fluorescent Bulb Wattage	Light Appearance	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Bulb Trade Number	Brightness, lumens	CRI	Bulb Material	Light Technology	Cannot Be Sold To	Pkg. Qty.		Pkg.
22 1/2"	6"	40W	Neutral (3,500K)	40W	18,000	4.82	FB40	2,300	90	Glass	Fluorescent	Canada, CO, DC, HI, MA, NJ, NV, NY, OR, VT, WA	1	0000000	000000
22 1/2"	6"	40W	Cool (4,100K)	40W	18,000	4.82	FB40	2,300	90	Glass	Fluorescent	Canada, CO, DC, HI, MA, NJ, NV, NY, OR, VT, WA	1	0000000	00000
22 1/2"	6"	40W	Daylight (6,500K)	40W	18,000	4.82	FB40	2,250	90	Glass	Fluorescent	Canada, CO, DC, HI, MA, NJ, NV, NY, OR, VT, WA	1	0000000	00000

Bi-Pin Base Miniature Light Bulbs

These bulbs are small, but very bright, so they're often used in flashlights and optical instruments such as projectors and microscopes. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.

Halogen bulbs are slightly more energy efficient than incandescent bulbs, but they generate more heat.

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

	Bulb Trade Number	Voltage	Wattage	Brightness, lumens	Current	Light Technology	Bulb Material	Color	Rated Life, hrs.	Bulb Dia.	O'all Lg.	Bulb Shape No.	Pkg. Qty.		Pkg.
A	EVC	24V AC/24V DC	250W	9,000	10.41A	Halogen	Glass	Clear	300	0.551"	2 1/8"	T12	1	0000000	00000

Blacklight Blue Light Bulbs

T12

Detect UV-reflective materials that are invisible to the naked eye with these bulbs. They contain a blue filter that absorbs the visible light they produce while allowing long wave ultraviolet (UV-A) light to pass through. They appear black when turned off. These bulbs are not for use in bug zappers. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh.

Bulbs cannot be sold to the listed areas because they exceed local regulatory limits on mercury.

T12 Bulb (1 1/2" Dia.)
O'all Lg.	Wattage	Brightness	Bulb Material	Color	Rated Life, hrs.	Est. Yearly Energy Cost, $	Bulb Trade Number	Wavelength Type	Cannot Be Sold To		Each
48"	40W	Not Rated	Glass	Blue	20,000	4.82	F40T12	UV-A	Canada	0000000	000000

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