Tips For Selecting Panel Indicator Lights

It is difficult to imagine any type of modern equipment, device or even a system that doesn’t use visual indicators to notify operators or users of changes in the system. These panel indicator lights come in all different shapes, sizes and options to satisfy not only specific voltage requirements for the system but also to provide the lighting required.

Mount Requirements

In general, most standard panels will use standard mounting options for the panel indicator lights. It will be important to know if a 0.156, 0.250 or 0.50-inch mount is required. These are typically going to include the snap-in panel lights.

Easy to install, these lights will come with the cathode, pin and lead wire options provided by the manufacturer. Top manufacturers can work with an Original Equipment Manufacturer (OEM) to provide custom wire lengths as well.

Lighting Systems

There are different options in lights used in the panel indicators. While older systems used a variety of bulbs, most of the new systems use energy-efficient LED lights.

Not only are these bulbs small and compact, but they are also bright. This ensures that the panel light is easy to see and, with just a glance, the indicator light can be recognized as signaling the system is on or off, engaged, the warning or any other indication required.


Many panel indicator lights are the more traditional domed shape. They can be clear, red, green, yellow, orange or even colors such as blue or purple. With some lights, the lamp will be colored, and the lens will be clear, while for others it may be reversed with the lens colored and the lamp as the clear light source.

For more intense colors, it is possible to use both a colored lamp and a colored lens. These lights can be used across a wide range of application from electronic equipment to aircraft and automobiles.

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