500W Light Bulbs | McMaster-Carr

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Wattage

Less than 100 W

100 W to 249 W

500 W to 999 W

Equivalent Incandescent Bulb Wattage

500 W

Bulb Base Type

Prefocus

Recessed Single Contact

Bulb Shape

Voltage

Bulb Shape Number

Screw-In Base Size

Medium (Standard Household)

Overall Length

Light Technology

Color Temperature

Bulb Base Number

Brightness

10,000 lm to 19,999 lm

Light Appearance

Bulb Diameter

Bulb Trade Number

Beam Spread

Maximum Temperature

Rated Life @ 3 Hours per Day

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

DFARS Specialty Metals

Exempt

Estimated Yearly Energy Cost

Export Control Classification Number (ECCN)

EAR99

Rated Life

Less than 10,000 hr.

30,000 hr. to 39,999 hr.

REACH

RoHS

Minimum Temperature

7 Products

About Brightness and Light Appearance

Find the right lumen level to brighten your space. Then, compare the way warm, neutral, and cool lighting affect the appearance of everyday objects.

Screw-In Base Light Bulbs

Spiral

Pointed

Medium (Standard Household)

Miniature Candelabra

Use these bulbs in standard sockets, panels, and appliances. 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 commonly used in workspaces. Bulbs with a cool or daylight appearance have white/blue tones and are good for inspecting. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.

CFL (compact fluorescent) bulbs are more energy efficient and last longer than halogen bulbs. It takes several seconds for them to reach full brightness. They contain small amounts of mercury (for disposal information, visit www.epa.gov/cfl).

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

Bulbs that cannot be sold to the listed areas are restricted due to energy efficiency requirements, mercury regulations, and product registration requirements.

Spiral Bulb—Medium (Standard Household) Base (1 1/16" Dia.)
Equiv. Incand. Bulb Wattage	Light Appearance	Brightness, lumens	Light Technology	Light Setting	Bulb Shape No.	Bulb Material	Color	Wattage	Rated Life, hrs.	Est. Yearly Energy Cost, $	Cannot Be Sold To	Pkg. Qty.		Pkg.
120V AC
500W	Daylight (6,500K)	6,400	CFL	Not Dimmable	__	Glass	Frosted	105W	7,600	12.70	Canada, CA, CO, HI, MN, OR, RI, VT	1	1949K36	000000
500W	Daylight (6,500K)	6,400	CFL	Not Dimmable	__	Glass	Frosted	105W	7,600	12.70	Canada, CA, CO, HI, MN, OR, RI, VT	6	1949K881	000000
														Each
Pointed Bulb—Miniature Candelabra Base (7/16" Dia.)
120V AC/120V DC
500W	Warm (2,950K)	10,450	Halogen	Dimmable	T4	Glass	Clear	500W	2,000	60.30	__	__	1513K26	00000

Prefocus Base Light Bulbs

Small but powerful, these bulbs are commonly used in stage and security lighting. All have a neutral light appearance that is brighter than warm light. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh. These halogen bulbs are slightly more energy efficient than incandescent bulbs, but they generate more heat.

Single Contact—Medium Base (1 1/8" Dia.)
Voltage	Wattage	Light Appearance	Brightness, lumens	Operating Position	Bulb Trade Number	Light Technology	Bulb Shape No.	Color	Rated Life, hrs.	Est. Yearly Energy Cost, $	Bulb Dia.	O'all Lg.		Each
Pointed Bulb
120V AC/120V DC	500W	Neutral (3,050K)	11,000	Base Down, Horizontal	BTL	Halogen	T6	Clear	500	60.22	3/4"	5"	2286K51	000000
120V AC/120V DC	500W	Neutral (3,200K)	13,000	Base Down, Horizontal	BTM	Halogen	T6	Clear	100	60.22	3/4"	5"	2286K52	00000

Ultra-Bright Screw-In Base Panel Light Bulbs

3 Panels

Get the most light out of a single socket. With multiple LED panels, these bulbs are as bright as light fixtures but don’t require wiring. Just screw them into an existing socket. Each panel tilts up or down, so you can aim light where you need it.

										Overall
No. of Panels	Equiv. Incand. Bulb Wattage	Brightness, lumens	Light Appearance	CRI	Light Technology	Light Setting	Bulb Material	Wattage	Rated Life, hrs.	Dia.	Ht.		Each
Panel Bulb—Medium (Standard Household) Base (1 1/16" Dia.)
120V AC
3	500W	10,000	Cool (5,000K)	80	LED	Not Dimmable	Plastic	90W	30,000	12"	3 3/16"	8768N13	000000

Recessed Single-Contact Base Tubular Light Bulbs

Replace the slender bulbs in lamps and task lights.

T3 Bulb (1/4" Base Dia.)
Equiv. Halogen Bulb Wattage	Operating Position	Light Appearance	Brightness, lumens	Light Technology	CRI	Bulb Trade No.	Bulb Dia.	O'all Lg.	Color	Wattage	Rated Life, hrs.	Pkg. Qty.		Pkg.
120V AC
500W	Horizontal	Warm (2,900K)	9,500	Halogen	100	500T3Q/CL	3/8"	4 11/16"	Clear	500W	1,500	1	1513K9	00000