Why Do Light Bulbs Fail Early?
Aug 1, 1998, Edited by Robert J. Lawrie
I read the answers to the questions about fast burnout of light bulbs in the Oct. 1997 issue. Although all of the answers are helpful, I believe I have...
Don't Let The Lights Go Out On Your Dimming System
Jul 1, 1998, By Gary D. Wigglesworth, Magnetek
Your new fluorescent dimming system doesn't work the way you expected. You discover your ballasts are incompatible with your control system. No wonder you've been losing lamps left and right! Does this describe your situation?...
Inverter system eliminates downtime and helps HID lights meet the Code
Jun 1, 1998, Edited by Ellen Parson, Managing Editor
Ten seconds can seem like a lifetime when you're in the dark. For Subhash Nangia, the 10 seconds allowed by the National Electrical Code for egress lighting...
Saving Energy With Proper Fluorescent Lighting
Jan 1, 1998, Joseph R. Knisley
Regulatory pressures and the global move toward reduction in unnecessary energy use continue to push energy conservation in virtually every sector of...
Enhancing residential lighting design with energy-saving features
Dec 1, 1996, Knisley, Joseph R.
The electrical industry has done a credible job of developing energy-saving lighting products that have found wide use in the commercial, institutional,...
Avoiding pitfalls in lighting retrofits
Dec 1, 1996, Knisley, Joseph R.
Field data on lighting system power consumption and load profile will become more important as utility rebates are withdrawn; also, retrofit projects...
Pushing the envelope on lighting technology - the upside and the downside
Jul 1, 1996, Knisley, Joseph R.
The Energy Policy Act of 1992 (EPACT) continues to influence the lighting industry, as manufacturers respond with a slew of energy-efficient lamps, while...
Security lighting primer
Apr 1, 1996, Knisley, Joseph R.
Proper lamp selection per any required color rendering and adherence to practical guidelines combine to create functional lighting installations.The purpose...
What to know about ambient HID lighting design.
Apr 1, 1996,
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...
Maintaining discharge lamps.
Apr 1, 1996, Knisley, Joseph R.
Understanding the characteristics of fluorescent and HID lamps makes it easier to recognize problems and simplifies corrective maintenance.Lighting maintenance...
Wiring fluorescent ballasts with Class 2 controls.
Mar 1, 1996, Hartwell, Frederic P.
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...
Wiring wet-niche fixtures at the 1996 OLympics Aquatic Center.
Mar 1, 1996, Knisley, Joseph R.
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...
Lights at hatchway doors.
Jan 1, 1996, Hartwell, Frederic P.
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...
Making effective lighting retrofits
Nov 1, 1995, Kaplan, Hyman
The correct intensity of light must be provided for the task being illuminated, without producing glare, when striving for operating cost reductions.The...
Lighting controls: a new technology?
Jul 1, 1995, Gallina, Carla
Besides new lighting control products entering the marketplace, marketing efforts by these product manufacturers are on the rise.After we squeeze every...
Effective lighting for automatic transaction units.
Apr 1, 1995, Kaplan, Hyman
Many factors must be considered, from effectiveness, safety, and environmental to review by panning authorities, when designing lighting systems for automatic...
Using lighting software program.
Apr 1, 1995, Knisley, Joseph R.
Are lighting application software programs useful for people who are not involved in lighting design full time?Lighting application software programs...
Applying (HID) lamps to emergency lighting
Apr 1, 1995, Pharaoh-Murphy, Karen; Territo, Reynold
Improvements in lamp design and the development of new accessory components for HID sources must be understood to be applied properly in emergency lighting...
Applying arena lighting system guidelines.
Mar 1, 1995, Meyers, Randy J.
Many lighting guidelines for large arenas can be applied to similar but smaller facilities.While many of us are excited by the sights and sounds of sporting,...
