32W Light Bulbs | McMaster-Carr

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About Brightness

About Light Appearance

About Replacing Tubular Fluorescent Light Bulbs

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.

LED bulbs last longer and are more efficient than fluorescent bulbs. They generate little heat and withstand vibration. Plastic bulbs are shatterproof. Socket-ready bulbs work with most instant-start electronic ballasts, but not all. For a full list of compatible ballasts select a part number and view product detail. Ballast bypass bulbs eliminate the need for a ballast so the socket must be wired directly to the power source.

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.

T8 Bulb (1" Dia.)
O'all Lg.	Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	CRI	Light Setting	Bulb Material	Light Technology	LED Installation Type	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Bulb Trade Number	Cannot Be Sold To	Pkg. Qty.		Pkg.
48"	32W	Warm (3,000K)	1,500	80	Not Dimmable	Plastic	LED	Socket Ready	9.5W	70,000	1.14	__	__	1	0000000	000000
48"	32W	Warm (3,000K)	1,500	80	Not Dimmable	Plastic	LED	Socket Ready	9.5W	70,000	1.14	__	__	10	0000000	000000
48"	32W	Warm (3,000K)	1,700	82	Not Dimmable	Glass	LED	Ballast Bypass	14W	50,000	1.69	__	__	6	0000000	00000
48"	32W	Warm (3,000K)	1,800	80	Not Dimmable	Plastic-Coated Glass	LED	Ballast Bypass	13.5W	50,000	1.63	__	__	25	000000	000000
48"	32W	Warm (3,000K)	2,000	82	Dimmable	Plastic	LED	Socket Ready	13W	70,000	1.69	__	__	1	0000000	00000
48"	32W	Warm (3,000K)	2,000	82	Dimmable	Plastic	LED	Socket Ready	13W	70,000	1.69	__	__	10	0000000	000000
48"	32W	Warm (3,000K)	2,635	90	Dimmable	Glass	Fluorescent	__	32W	30,000	3.85	F32T8, FO32	CO, VT, Canada	6	0000000	00000
48"	32W	Warm (3,000K)	2,635	90	Dimmable	Glass	Fluorescent	__	32W	30,000	3.85	F32T8, FO32	CO, VT, Canada	30	0000000	000000
48"	32W	Neutral (3,500K)	1,800	80	Not Dimmable	Plastic-Coated Glass	LED	Ballast Bypass	13.5W	50,000	1.63	__	__	25	0000000	000000
48"	32W	Neutral (3,500K)	2,000	82	Dimmable	Plastic	LED	Socket Ready	13W	70,000	1.69	__	__	1	0000000	00000
48"	32W	Neutral (3,500K)	2,000	82	Dimmable	Plastic	LED	Socket Ready	13W	70,000	1.69	__	__	10	0000000	000000
48"	32W	Neutral (3,500K)	2,100	82	Not Dimmable	Glass	LED	Ballast Bypass	17W	50,000	2.05	__	__	6	0000000	00000
48"	32W	Neutral (3,500K)	2,500	90	Dimmable	Glass	Fluorescent	__	32W	30,000	3.85	F32T8, FO32	CO, VT, Canada	6	0000000	00000
48"	32W	Neutral (3,500K)	2,500	90	Dimmable	Glass	Fluorescent	__	32W	30,000	3.85	F32T8, FO32	CO, VT, Canada	30	0000000	000000
48"	32W	Neutral (4,000K)	1,800	82	Not Dimmable	Glass	LED	Ballast Bypass	14W	50,000	1.69	__	__	6	0000000	00000
48"	32W	Neutral (4,000K)	2,100	82	Dimmable	Plastic	LED	Socket Ready	13W	70,000	1.56	__	__	1	0000000	00000
48"	32W	Neutral (4,000K)	2,100	82	Dimmable	Plastic	LED	Socket Ready	13W	70,000	1.56	__	__	10	0000000	000000
48"	32W	Cool (4,100K)	1,900	80	Not Dimmable	Plastic-Coated Glass	LED	Ballast Bypass	13.5W	50,000	1.63	__	__	25	0000000	000000
48"	32W	Cool (4,100K)	2,470	90	Dimmable	Glass	Fluorescent	__	32W	30,000	3.85	F32T8, FO32	CO, VT, Canada	6	0000000	00000
48"	32W	Cool (4,100K)	2,470	90	Dimmable	Glass	Fluorescent	__	32W	30,000	3.85	F32T8, FO32	CO, VT, Canada	30	0000000	000000
48"	32W	Cool (4,100K)	2,600	90	Dimmable	Plastic-Coated Glass	Fluorescent	__	32W	36,000	3.85	F32T8, FO32	Canada	6	0000000	000000
48"	32W	Cool (4,100K)	2,600	90	Dimmable	Plastic-Coated Glass	Fluorescent	__	32W	36,000	3.85	F32T8, FO32	Canada	30	0000000	000000
48"	32W	Cool (5,000K)	1,600	80	Dimmable	Plastic	LED	Socket Ready	8.9W	70,000	1.14	__	__	1	00000000	00000
48"	32W	Cool (5,000K)	1,600	80	Dimmable	Plastic	LED	Socket Ready	8.9W	70,000	1.14	__	__	10	00000000	000000
48"	32W	Cool (5,000K)	1,800	82	Not Dimmable	Glass	LED	Ballast Bypass	14W	50,000	1.69	__	__	6	0000000	00000
48"	32W	Cool (5,000K)	2,000	80	Not Dimmable	Plastic-Coated Glass	LED	Ballast Bypass	13.5W	50,000	1.63	__	__	25	0000000	000000
48"	32W	Cool (5,000K)	2,100	82	Dimmable	Plastic	LED	Socket Ready	13W	70,000	1.57	__	__	1	0000000	00000
48"	32W	Cool (5,000K)	2,100	82	Dimmable	Plastic	LED	Socket Ready	13W	70,000	1.57	__	__	10	0000000	000000
48"	32W	Cool (5,000K)	2,500	80	Not Dimmable	Plastic	LED	Socket Ready	15.5W	70,000	1.87	__	__	1	0000000	00000
48"	32W	Cool (5,000K)	2,500	80	Not Dimmable	Plastic	LED	Socket Ready	15.5W	70,000	1.87	__	__	25	00000000	000000

Recessed Double-Contact Base Tubular Light Bulbs

T8 and T8/HO

LED bulbs last longer and are more efficient than fluorescent bulbs. They generate little heat and withstand vibration. To install, bypass the ballast by wiring the socket directly to the power source. Plastic-coated glass bulbs are shatter resistant; the coating retains glass shards if they break.

T8 Bulb (1" Dia.)
O'all Lg.	Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	CRI	Light Setting	Bulb Material	Light Technology	LED Installation Type	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Pkg. Qty.		Pkg.
48"	32W	Cool (4,000K)	2,300	83	Not Dimmable	Plastic-Coated Glass	LED	Ballast Bypass	18W	50,000	2.17	10	0000000	0000000

Circline Tubular Light Bulbs

T9 Bulb (1 1/8" Dia.)
O'all Dia.	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	Pkg. Qty.	Cannot Be Sold To		Pkg.
12"	32W	Daylight (6,200K)	1,570	73	Dimmable	Glass	Fluorescent	32W	12,000	3.85	FC12T9/D	1	Canada	0000000	000000
12"	32W	Cool (4,100K)	1,800	59	Dimmable	Glass	Fluorescent	32W	12,000	3.85	FC12T9	1	Canada	0000000	00000

U-Shaped Tubular Light Bulbs

LED bulbs last longer and are more efficient than fluorescent bulbs. They generate little heat, withstand vibration, and are shatterproof. LED bulbs are socket ready. They plug directly into a fixture and work with most instant-start electronic ballasts, but not all. For a full list of compatible ballasts select a part number and view product detail.

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.

T8 Bulb (1" Dia.)
O'all Lg.	Base Ctr.-to-Ctr.	Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	CRI	Bulb Material	Light Technology	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Bulb Trade Number	Cannot Be Sold To	Pkg. Qty.		Pkg.
22 1/2"	6"	32W	Warm (3,000K)	2,000	80	Plastic	LED	13W	70,000	1.57	__	__	1	0000000	000000
22 1/2"	6"	32W	Warm (3,000K)	2,000	80	Plastic	LED	13W	70,000	1.57	__	__	10	0000000	000000
22 1/2"	6"	32W	Warm (3,000K)	2,750	75	Glass	Fluorescent	32W	20,000	3.85	FB32T8, FBO32	Canada	1	0000000	00000
22 1/2"	6"	32W	Neutral (3,500K)	2,000	80	Plastic	LED	13W	70,000	1.57	__	__	1	0000000	00000
22 1/2"	6"	32W	Neutral (3,500K)	2,000	80	Plastic	LED	13W	70,000	1.57	__	__	10	0000000	000000
22 1/2"	6"	32W	Neutral (3,500K)	2,900	85	Glass	Fluorescent	32W	24,000	3.85	FBO32	Canada	1	0000000	00000
22 1/2"	6"	32W	Neutral (4,000K)	2,100	80	Plastic	LED	13W	70,000	1.57	__	__	1	0000000	00000
22 1/2"	6"	32W	Neutral (4,000K)	2,100	80	Plastic	LED	13W	70,000	1.57	__	__	10	0000000	000000
22 1/2"	6"	32W	Cool (4,100K)	2,750	75	Glass	Fluorescent	32W	20,000	3.85	FB32T8, FBO32	Canada	1	0000000	00000
22 1/2"	6"	32W	Cool (5,000K)	2,100	80	Plastic	LED	13W	70,000	1.57	__	__	1	0000000	00000

Four-Pin Wedge Base Plug-In Compact Light Bulbs

Often used in task lights, these bulbs are comparable to PL, Dulux, and Biax bulbs. 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.

LED bulbs last longer and are more efficient than CFL bulbs. They generate little heat, withstand vibration, and are shatterproof. LED bulbs are socket ready. They plug directly into a fixture and work with most electronic ballasts, but not all. Their bases are designed to fit multiple sockets.

CFL (compact fluorescent) bulbs are energy efficient, but take several seconds to reach full brightness. They cannot be sold to Canada because they do not meet local efficiency standards and exceed local regulatory limits on mercury (for disposal information, visit www.epa.gov/cfl).

G24/GX24 Base

Horizontal Operating Position

Base Up Operating Position

Horizontal Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Setting	Light Technology	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Pkg. Qty.		Pkg.
32W	Warm (2,700K)	1,300	Dimmable	LED	Plastic	6 7/16"	12W	50,000	1.45	1	0000000	000000
32W	Warm (3,000K)	1,350	Dimmable	LED	Plastic	6 7/16"	12W	50,000	1.45	1	0000000	00000
32W	Neutral (3,500K)	1,400	Dimmable	LED	Plastic	6 7/16"	12W	50,000	1.45	1	0000000	00000
32W	Neutral (4,000K)	1,450	Dimmable	LED	Plastic	6 7/16"	12W	50,000	1.45	1	0000000	00000
Base Up Operating Position
32W	Warm (2,700K)	1,350	Dimmable	LED	Plastic	4 15/16"	12W	50,000	1.45	1	0000000	00000
32W	Warm (3,000K)	1,400	Dimmable	LED	Plastic	4 15/16"	12W	50,000	1.45	1	0000000	00000
32W	Neutral (3,500K)	1,450	Dimmable	LED	Plastic	4 15/16"	12W	50,000	1.45	1	0000000	00000
32W	Neutral (4,000K)	1,500	Dimmable	LED	Plastic	4 15/16"	12W	50,000	1.45	1	0000000	00000

GX24q-3 Base

Horizontal, Base Up, Base Down Operating Position
Equiv. Fluorescent Bulb Wattage	Light Appearance	Brightness, lumens	Light Setting	Light Technology	Bulb Material	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Pkg. Qty.	Cannot Be Sold To		Pkg.
32W	Warm (3,000K)	2,400	Dimmable	CFL	Glass	5 5/8"	32W	16,000	3.85	1	Canada	0000000	000000
32W	Cool (4,100K)	2,400	Dimmable	CFL	Glass	5 5/8"	32W	16,000	3.85	1	Canada	0000000	00000

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