6 articles Controls

How to Make Sure Photocontrols Are Compatible With LED Lighting

Photocontrol devices use photocells to determine ON/OFF status of outdoor lighting based on the ambient light level. While generally understood as responding to visible light, some photosensors also respond to infrared (IR) and ultraviolet (UV) radiation. Normally used for roadway, area, parking, flood and security lighting, photocontrols automatically control the ON/OFF cycle to optimize the…

LED Dimming: How to Ensure Smooth and Effective Light Output Control

Many LED lamps and fixtures on the market today include a dimming capability. While certainly a beneficial feature, often a necessary one, dimming LED lamps can be an adventure unless some basic steps are taken to ensure compatibility between the LED lamp and dimming control. In the world of tungsten filament lighting (incandescent / halogen)…

Time Switches Offer Effective Lighting Control For Time of Day Driven Applications

office building at night with lights on

Time switches, or timers, for lighting control allow for time of day ON and OFF scheduling for individual lights or lighting systems. Generally, time switches work best with outdoor lighting where the time of day, along with sunset and sunrise, determine when lighting is on or off. Indoor applications for timers might include basic residential…

How Do Motion Sensors Work?

office building at night with some lights on and some off

Someone once wisecracked that the most energy efficient lighting was when the lights were turned OFF. A variation of this clever turn of phrase has become one of the most useful tools to increase building energy efficiency. By automatically controlling the ON/OFF status of lights based on the presence of humans in a space, a tremendous amount of energy and money…