D50−Electrical

Category Archives: D50−Electrical

Getting it Right the First Time: Addressing heat and light problems with glazing

Photo courtesy Sage Electrochromics. Photo © Jeffrey Totaro Photography

Customers often call design teams regarding problems concerning too much light and/or too much heat coming into a building and making the space practically unusable. Frequently, it is not that the existing glass had poor performance, but rather the issue is the original design concept did not combine the glazing with other design elements to adequately address the sun management challenge the exterior environment presents.

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Richardsville Elementary – NET ZERO

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September 2010 marked the grand opening for Richardsville Elementary, the First Net-Zero Insulated Concrete Form School in the U.S. Warren County School district, the school board responsible for Richardsville, has been building energy efficient schools that are being recognized for their innovation across the United States.

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Testing for Safety Measures: Installing raceways and cables in direct sunlight

Photo © BigStockPhoto/Zibedik

Underwriters Laboratories (UL) recently completed tests intended to provide technical data on the safety aspects of installing raceways and cables exposed to direct sunlight on or above rooftops. The investigation included experiments on17 different sizes of electrical wiring systems installed on varying heights on a roof in Las Vegas. The testing provided insight on how solar heating affected all wiring systems when installed on or above the rooftop. This has implications when designing electrical systems for industrial, commercial and other flat-roofed buildings.

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LED Luminaires Provide Lesson in Energy Savings

Photos courtesy Kenall Lighting

For schools, energy is one of the few expenses that can be decreased without negatively affecting classroom instruction. Through improved operations and maintenance strategies, and incorporating efficient equipment into retrofits, school districts can generate significant cost savings while improving the physical environment for both students and teachers. This article specifically looks at the potential for light-emitting diodes (LEDs).

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