Craig DiLouie

Lighting Columnist

Craig DiLouie is a journalist and educator specializing in the lighting industry. Learn more at ZINGinc.com and LightNOWblog.com.​

Articles by Craig DiLouie

January 2017
In its latest LED energy savings forecast, the U.S. Department of Energy (DOE) predicts LED lighting will represent 30 percent of the installed lighting base within five years and 59 percent by 2025.
 The biannual report, “Energy Savings Forecast of Solid-State Lighting in General Illumination Applications,” estimates penetration in 2015 at 6 percent, doubling from 3 percent in 2013.
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January 2017
Major lighting trends—including LED, intelligent lighting controls, the industrial Internet of Things (IIoT), power over ethernet (PoE), energy codes, and light and health—are creating new opportunities and challenges for electrical contractors. READ MORE
  • Replacing the driver

December 2016
The majority of LED lighting products use an electronic driver that functions similarly to a fluorescent ballast. The driver converts incoming alternating current (AC) to direct current (DC) and drives this current to the LEDs.
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December 2016
Flicker in light sources is an old problem made new again in the LED age. Its effects range from annoying to debilitating, and solving it can be challenging. Even defining flicker is difficult. Whether a problem is likely to occur depends on the light source, lighting conditions, how sensitive occupants are to it and the tasks being performed.
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November 2016
LED streetlights have the potential to reduce energy consumption by about 50 percent compared to traditional high-pressure sodium lights. According to a U.S. Department of Energy (DOE) survey of governments and utilities, 62 percent of respondents reported using LED sources in their streetlighting. READ MORE
October 2016
In May 2016, the DesignLights Consortium (DLC) released Networked Lighting Controls System Specification V1.01. By the end of June, the DLC published a Qualified Products List (QPL) for networked controls. This may have a profound impact on demand for networked controls in existing buildings. Electrical contractors now have increased incentive to get to know these systems.
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September 2016
The U.S. Environmental Protection Agency’s (EPA) Energy Star program recognizes and promotes products that satisfy a high performance standard while saving energy. Created in 1992, the voluntary labeling program now covers a broad range of products, including lamps and residential luminaires.
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September 2016
Commercial building energy codes impose design standards for nonresidential buildings’ energy efficiency. Many states have implemented an energy code to regulate building design.
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August 2016
As performance increases and costs decline, light-emitting diode (LED) lighting is poised to become the predominant light source in the United States. Meanwhile, adoption of integrated advanced lighting controls continues to grow.
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