58 articles LED

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)…

Efficacy Improvement of Commercial Grade LED Recessed Downlights Slows But Benefits Remain

recessed downlights in commercial building with escalator

The rate of growth in LED lighting technology can easily be overwhelming. Almost as soon as the “ink” cries on the specification sheets for a line of LED fixtures, the next generation is only a matter of months away. It may take only six months for manufacturers to offer fixtures with a 10% improved efficacy…

Subfreezing Temperatures? No Problem for LED Lighting

LED lighting excels in cold temperature environments. At Pegasus Airfield near McMurdo Station Antarctica, the runway is illuminated with LED lights. Temperatures range from a high of 12°F down to 0°F and lower. Large commercial cold storage facilities are often illuminated with LED lighting. Finally, one of the fastest growing sectors of LED lighting over…

LED Outdoor Area Light Fixtures Meet or Exceed Performance Metrics of HID Alternatives

LED Area Light Fixtures

A significant contributor to electrical energy use in the U.S. is outdoor area lighting. Street and roadway lights, walkway and park lighting, surface parking pole mounted fixtures and building mounted wall packs are all designed to illuminate space at night to provide safe passage and security for vehicles and pedestrians. Some of the earliest dedicated…

2017 Test Results: LED High / Low Bay Fixtures Match or Exceed HID / Fluorescent Photometrics

LED High / Low Bay Fixtures

Warehouses, big box retail and industrial facilities generally utilize high and low bay fixtures for general ambient illumination. The light sources for these fixtures traditionally have been high wattage metal halide and high output linear fluorescent lamps. While these light sources can have a high rated life – up to 40,000 hours, they also require…