24W Light Bulbs | McMaster-Carr

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18 Products

About Light Appearance

About Brightness

About Replacing Tubular Fluorescent Light Bulbs

T5 and T5/HO

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. 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 areas listed exceed local regulatory limits on mercury and/or do not meet local efficiency standards.

T5/HO Bulb (5/8" 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.
22"	24W	Cool (4,100K)	1,950	85	Dimmable	Plastic-Coated Glass	Fluorescent	__	24W	24,000	2.89	F24T5/HO	Canada, CA, CO, HI, ME, MN, OR, RI	2	1539K82	000000
22"	24W	Cool (4,100K)	1,950	85	Dimmable	Plastic-Coated Glass	Fluorescent	__	24W	24,000	2.89	F24T5/HO	Canada, CA, CO, HI, ME, MN, OR, RI	40	1539K64	00000000
22"	24W	Cool (4,100K)	2,000	85	Dimmable	Glass	Fluorescent	__	24W	20,000	2.89	F24T5/HO, FP24/HO	CA, CO, HI, ME, MN, OR, RI	2	1562K55	00000
22"	24W	Cool (4,100K)	2,000	85	Dimmable	Glass	Fluorescent	__	24W	20,000	2.89	F24T5/HO, FP24/HO	Canada, CA, CO, HI, ME, MN, OR, RI	40	1562K77	000000
46"	54W	Neutral (3,500K)	3,400	82	Not Dimmable	Glass	LED	Ballast Bypass	24W	50,000	2.89	__	__	1	1608N12	00000
46"	54W	Neutral (3,500K)	3,400	82	Not Dimmable	Glass	LED	Ballast Bypass	24W	50,000	2.89	__	__	6	1665N22	000000
46"	54W	Neutral (3,500K)	3,400	82	Dimmable	Glass	LED	Socket Ready	24W	50,000	2.89	__	__	1	1608N53	00000
46"	54W	Neutral (3,500K)	3,400	82	Dimmable	Glass	LED	Socket Ready	24W	50,000	2.89	__	__	6	1665N53	00000
46"	54W	Cool (4,100K)	3,500	82	Dimmable	Glass	LED	Ballast Bypass	24W	50,000	2.89	__	__	1	1608N51	00000
46"	54W	Cool (4,100K)	3,500	82	Dimmable	Glass	LED	Ballast Bypass	24W	50,000	2.89	__	__	6	1665N51	00000
46"	54W	Cool (4,100K)	3,500	82	Dimmable	Glass	LED	Socket Ready	24W	50,000	3.01	__	__	1	1608N301	00000
46"	54W	Cool (5,000K)	3,500	82	Dimmable	Glass	LED	Ballast Bypass	24W	50,000	2.89	__	__	1	1608N14	00000
46"	54W	Cool (5,000K)	3,500	82	Dimmable	Glass	LED	Socket Ready	24W	50,000	2.89	__	__	1	1608N52	00000
46"	54W	Cool (5,000K)	3,500	82	Dimmable	Glass	LED	Socket Ready	24W	50,000	2.89	__	__	6	1665N52	00000

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.
60"	75W	Cool (4,000K)	3,100	83	Not Dimmable	Plastic-Coated Glass	LED	Ballast Bypass	24W	50,000	2.89	10	1504K932	0000000

LED Light Bulbs for High-Intensity Discharge (HID) Lights

Tubular Bulb with E26 or EX39 Base

Mogul

Medium (Standard Household)

Replace high-intensity discharge (HID) lights with the longer-lasting, energy-efficient LEDs. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. LED lights are perceived as brighter at night than high-intensity discharge light technologies, so they require fewer lumens to provide the same brightness. Match your old light’s wattage to find the right LED bulb. A bulb’s estimated yearly cost is based on 3 hours of usage per day at $0.11 per kWh.

Ballast bypass bulbs eliminate the need for a ballast, so the socket must be wired directly to the power source.

Equiv. Bulb Wattage
Metal Halide	High-Pressure Sodium	Mercury Vapor	Light Appearance	Brightness, lumens	Operating Position	Bulb Dia.	O'all Lg.	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Specifications Met		Each
Ballast Bypass
Tubular Bulb—E26 Medium (Standard Household) Base
150W	150W	150W	Warm (3,000K) Neutral (4,000K) Cool (5,000K)	3,170 3,333 3,360	Base Up, Base Down, Horizontal	3"	6 5/8"	24W	50,000	2.89	UL Listed, C-UL Listed	1638N412	000000
Tubular Bulb—EX39 Mogul Base
70W/100W/150W	70W/100W/150W	70W/100W/150W	Warm (3,000K) Neutral (4,000K) Cool (5,000K)	3,170 3,333 3,360	Base Up, Base Down, Horizontal	3"	7"	12W, 18W, 24W	50,000	2.89	UL Listed, C-UL Listed	1638N23	00000

Four-Pin Base Plug-In Compact Light Bulbs

2G11 Base

Energy efficient and long lasting, these bulbs are often used in task lights. They’re comparable to PL, Dulux, and Biax bulbs. It takes these bulbs several seconds to reach full brightness. 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. These bulbs cannot be sold to the listed areas because they do not meet local efficiency standards and exceed local regulatory limits on mercury (for disposal information, visit www.epa.gov/cfl).