The electrical industry has done a credible job of developing energy-saving lighting products that have found wide use in the commercial, institutional, and industrial markets. However, except for compact fluorescent (CFL) lamps, it has not made...
The Energy Policy Act of 1992 (EPACT) continues to influence the lighting industry, as manufacturers respond with a slew of energy-efficient lamps, while also playing up the concern for environmentally friendly designs.For example, there now is a...
Are there easy-to-use reference materials that can be used to design ambient HID lighting?You can design and specify an HID lighting system by using charts and tables, and making a few calculations. A Room Cavity Ratio table and a Footcandle...
Proper lamp selection per any required color rendering and adherence to practical guidelines combine to create functional lighting installations.The purpose of security lighting is to protect persons and property usually between dusk and dawn...
Understanding the characteristics of fluorescent and HID lamps makes it easier to recognize problems and simplifies corrective maintenance.Lighting maintenance involves a series of required tasks to sustain the full economic value of a lighting...
The ballast compartment of a fluorescent fixture must meet the same rules as any other field-wired enclosure with respect to system separation.We have received a series of questions from a broad spectrum of the industry, including installers...
Here's how a joint-venture of electrical contractors met NEC Article 680 requirements in their installation of 52 wet-niche fixtures in this world-class aquatic facility.The installation of 52 underwater wet-niche lighting fixtures (24 in the...
Hatchway or bulkhead doors must be lit even where the local building code doesn't consider them to be an official entrance or path of egress.The drawing shows a hatchway door to a dwelling basement, with the regular back door on the same side of...
The correct intensity of light must be provided for the task being illuminated, without producing glare, when striving for operating cost reductions.The increasing cost of electrical energy and the growing interest in conservation are resulting in...
Besides new lighting control products entering the marketplace, marketing efforts by these product manufacturers are on the rise.After we squeeze every watt out of lamps, ballasts, luminaries, and light levels, where else can energy savings be...
