T4 LEDs | McMaster-Carr

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3,142 Products

Most Likely Products

Indicator Lights

Call attention to hazards and changes in status with flashing, strobe, and other lights

239 products

Light Bulbs

Standard household, miniature, compact, and tubular bulbs

972 products

Electronic Component Assortments

Include diodes, rectifiers, and transistors to convert current or amplify electronic signals

1 product

Ceiling and Wall Lights

Mount to ceilings or walls to light up large spaces

436 products

All Results

Communication

Indicator Lights

Call attention to hazards and changes in status with flashing, strobe, and other lights

239 products

Vehicle Lights

Illuminate your way, mark your vehicle's clearance, or send signals to people and drivers

10 products

Audible Alarms/Indicator Lights

Alert people with both light and sound

37 products

Barricade Lights

Mount to barricades so they're easier to see in low-light conditions

3 products

Safety Flares

Light up to alert oncoming traffic to road hazards

2 products

Display Screens

Display text, numbers, symbols, and other information from your electronics

19 products

Signs

Everything from accident prevention to traffic control to exit signs

28 products

Lighting

Ceiling and Wall Lights

Mount to ceilings or walls to light up large spaces

436 products

Tape Lights

Bend around corners or squeeze into tight spaces where bulky fixtures won't fit

47 products

Machine Lights

Shine light on machinery or into sights to view interior work processes

231 products

Fiber-Optic Flashlight Cable

Shine light into hard-to-reach spaces by attaching to your flashlight

1 product

Workstation Lights

Mount above your workspace to brighten your work and add light where ceiling lights can't reach

138 products

Flashlights

Direct a beam of light to where it’s needed or provide 360° of lighting

117 products

Portable Work Lights

Bring lighting to poorly lit or completely dark areas

162 products

Light Retrofit Kits

Upgrade to energy-efficient LED lights without completely replacing old fixtures

19 products

Enclosure Lights

Brighten enclosures and small spaces such as closets and drawers

36 products

Light Pipes

Concentrate and direct light from the bulb on a circuit board to a display

16 products

Emergency Backup Light Heads

Extend emergency lighting into stairwells, exits, and other remote areas

13 products

LED Drivers

Deliver the electrical current your LEDs need

45 products

Light Sockets

Install or replace sockets in fixtures for standard household, tubular, compact, or miniature bulbs

40 products

Floodlights

Illuminate large, outdoor spaces with a wide-angle light

55 products

Landscape Lights

A directed beam of light illuminates paths, signs, flags, and landscape elements

11 products

Headlamps

Keep your hands free by wearing a flashlight on your head

28 products

Web Conferencing Lights

Brighten your face during video calls

2 products

Light Lenses

Reduce glare from light bulbs and protect them from damage

26 products

Photography Lights

Illuminate subjects for photoshoots and employee headshots

1 product

Light Socket Adapters

Convert light fixtures to accept different bulbs

5 products

Light Hangers

Suspend lights from the ceiling

6 products

Flashlight Mounts

Attach flashlights to hard hats and other surfaces to keep your hands free for work

12 products

Security Lights

Deter intruders, improve nighttime visibility, and draw attention to dark areas

13 products

Door Drip Guard Lights

Light up your doorway while diverting rain and snow away from it

2 products

Dock Lights

Brighten dark loading docks and trailers while you're loading and unloading

22 products

Step Lights

Illuminate steps to reduce the risk of tripping and falling

6 products

Emergency Backup Lights

Illuminate the path toward exits during power outages

43 products

Neck Lights

Wear a flashlight around your neck to keep your hands free

2 products

Light Poles

Bring light to your parking lot or walkway in minutes, or replace damaged poles

16 products

Light Bulbs

Standard household, miniature, compact, and tubular bulbs

972 products

Light Panels

Illuminate signs and keyboards with a thin backlit panel

1 product

Light Dimmers

Adjust the brightness of lights, even in large workspaces

11 products

Electrical Power, Networking, and Controlling

Electronic Component Assortments

Include diodes, rectifiers, and transistors to convert current or amplify electronic signals

1 product

Measuring and Inspecting

Machine Vision Lights

Illuminate an object so your machine vision camera can capture detailed images for inspection

49 products

Ultraviolet Inspection Lights

Shine on equipment to detect traces left behind by leaks, rodents, and other contaminants

9 products

Magnifiers

Workstation, hand-held, headband, and eyeglass magnifiers

69 products

Microscope Illuminators

Shine a light on samples for a better view

3 products

Inspection Mirrors

Reach around corners and obstructions to inspect hard-to-see areas

16 products

Ultraviolet Inspection Light Bulbs

Illuminate fluorescent dyes, particles, and residues to spot defects

2 products

Stroboscopes

Shine a bright flashing light at moving belts and pulleys to measure speed and detect wear

10 products

Building and Machinery Hardware

T-Slotted Framing Lights

Strip, concealed, and workbench lighting for T-slotted framing

28 products

Safety Equipment

Bump Caps

Guard against minor head bumps and scrapes

1 product

Hats

Shield your head from sun, rain, cold, and sparks

2 products

Welding Helmets

Guard against scratches and weld spatter better than face shields

9 products

Fabricating and Machining

Lighters

Light flames and recharge for repeated long-term use

1 product

Multitools

A variety of tools and blades all in one

3 products

Facility and Grounds Maintenance

Grow Lights

Encourage growth in herbs, flowers, and other indoor plants; also known as agricultural lights

3 products

Grow Light Bulbs

Grow plants in areas with limited natural light

5 products

Heating, Ventilation, and Air Conditioning

Fans

Blow and direct air to keep spaces cool and ventilated

6 products

Exhaust Fans

Draw stagnant and humid air out of a room or area

3 products

Containers, Storage, and Furniture

Flashlight Holders

Stow flashlights in belt holsters and loops

13 products