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Panel indicators, pilot lights and related equipment are used in a wide variety of applications and industries. In the industrial, commercial and home arenas, these devices are essential components of a wide array of machines and appliances. In many cases, panel indicators and pilot lights are used to indicate the operating status of a device or system. In other cases, they are employed as warning indicators to alert personnel of incipient problems or hazards.

Panel indicators and pilot lights are typically easy to install and maintain. Depending on the type of installation, a device may be connected to a power source, such as a 120 volt AC or 12 volt DC circuit, by soldering or screw terminals. The appropriate wiring diagram should always be consulted prior to installation.

The exact type of panel indicator or pilot light depends on the application and environment. There are several types available, each with unique characteristics and specific requirements. Some examples include neon indicators, incandescent indicators, rotating bezels, sealed panel meters, and LED indicators and pilot lights. Each type is suited for certain applications and environments, and can be matched accordingly.

Neon indicators are reliable, low cost devices that provide a number of useful functions. These devices are available in several varieties, such as round front, point source, and clip mounted versions. When connected to a power source, neon indicators provide an easily visible indication of equipment status.

Incandescent indicators employ a small, halogen bulb that is illuminated by an electric current when activated. These devices are typically relatively inexpensive and offer an effective display of equipment status when connected to a power source. Since they are relatively small and easily mountable, incandescent indicators are commonly used in commercial and home applications.

Rotating bezels are used in applications where a constant indication of status is required. These devices employ a rotating arm or bezel that is driven by an electric motor. In operation, the device continuously rotates, allowing an indication to be seen from any angle. This type of indicator is often employed in “on”/”off” or “alarm”/”disabled” type applications.

Sealed panel meters are employed in applications where precise measurements are required. These devices typically employ LED displays which allow for easy monitoring of parameters such as voltage, current, temperature, or other variable data. The displays typically can be viewed from any angle, and the data is typically available at a moment’s notice.

LED indicators and pilot lights provide dependable, long lasting performance in a variety of home, office, and industrial applications. LEDs produce a much brighter light than traditional incandescent bulbs, and provide a bright indicator of system status. The long life of LEDs results in a minimal maintenance requirement, making them well suited for applications that require constant monitoring.

Panel indicators, pilot lights and associated equipment provide an essential service to many applications and industries. The exact type of device should be selected based on the application and environment, and appropriate installations should be observed. Doing so can ensure a reliable, safe operation that can be trusted for many years.