Indicator Lights | McMaster-Carr

Filter by

System of Measurement

Voltage

Light Color

Panel Cutout Diameter

Bulb Type

Mount Type

Electrical Connection

Environment

Enclosure Rating

Lens Diameter

Color

Power Source

Mounting Location

Number of Lights

Bulb Voltage

Number of Wire Leads

Light Technology

Bulb Base Type

Bezel Material

Material

REACH Compliance

RoHS Compliance

DFARS Compliance

How can we improve?

1,187 Products

Communication

Indicator Lights

Indicator Lights

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

Audible Alarms/Indicator Lights

Audible Alarms/Indicator Lights

Alert people with both light and sound

Traffic Lights

Signal and direct traffic

Vehicle Lights

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

Aircraft Signal Lights

Aircraft Signal Lights

Mount to the top of towers to warn low-flying aircraft

Barricade Lights

Barricade Lights

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

Text Telephone Adapters

Text Telephone Adapters

Make it easier for people who are hard of hearing or speech-impaired to use phones

Lighting

Light Bulbs

Standard household, miniature, compact, tubular, ultraviolet, infrared, and blacklight bulbs

Light Pipes

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

Light Transmitters

Light Transmitters

Light up small and hard-to-reach areas such as the inside of models, prototypes, and circuit boards

Electrical

Electronic Component Kits

Electronic Component Kits

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

Safety Equipment

Propane Detectors

Propane Detectors

Alarms and lights alert you to the presence of propane instantly or after a set exposure time

Multi-Gas Detectors

Multi-Gas Detectors

Monitor air for carbon monoxide and combustible gases including methane, hydrogen, and propane

Oxygen Detectors

Oxygen Detectors

Too much or too little oxygen triggers alarms and warning lights

Hydrogen Detectors

Hydrogen Detectors

Alarms and lights alert you to the presence of hydrogen

Methane Detectors

Methane Detectors

Alarms and lights alert you to the presence of methane instantly or after a set exposure time

Carbon Monoxide Detectors

Carbon Monoxide Detectors

Alarms, lights, or color changes alert you to the presence of carbon monoxide

Hydrogen Sulfide Detectors

Hydrogen Sulfide Detectors

Alarms and lights alert you to high levels of hydrogen sulfide

Sound Level Monitors

Sound Level Monitors

Continuously measure ambient sound levels to confirm they fall within your programmed thresholds

Smoke Detectors

Smoke Detectors

Warn people when there's smoke in your facility

Fire Alarms

Alert people to fires with loud warnings

Barricades

Panel, rail, cone-mount, barrel, and water-fill barricades

Measuring and Inspecting

Inspection Indicators

Inspection Indicators

Mount to your equipment for a signal when it's time for maintenance or inspection

Alignment Lasers

Alignment Lasers

Project a line or dot as a reference point to ensure equipment is properly positioned

Force Gauges

Test objects to see how much tension and compression force they can bear

Fluid Handling

Water Detector Sensors

Water Detector Sensors

Place near tanks, sump pumps, and pipe lines to alert you to water leaks

Building and Machinery Hardware

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)