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NEMA Lighting Systems Division White Papers

Click on any of the Bold Title Links below to be directed to nema.org and begin your download:

PDF Download NEMA LSD 54-2010  - The Strengths and Potentials of Metal Halide Lighting Systems

Reviews the beneficial characteristics of metal halide high-intensity discharge lighting, including high energy efficiency and viability in outdoor and other lighting applications. 

PDF Download NEMA LSD 1—Tungsten Halogen (TH) Lamps (Bulbs): Ultraviolet, Rupture and High Temperature Risks

Addresses the benefits and the safe operation of TH lamps.

 

PDF Download NEMA LSD 2—Wiring Requirements for T8 Lamps with Instant-Start Ballasts

Addresses field problems related to the retrofit of T8 lamps and instant-start ballasts into existing luminaires. These incidents indicate that installers are not always familiar with the wiring and other requirements issued by lamp, ballast and lampholder manufacturers.

 

PDF Download NEMA LSD 2A—Application Note: Wiring Requirements for T8 Fluorescent Lamps with Instant-Start Ballasts

Reminds original equipment manufacturers and installers about some principal requirements that contribute to the safe operation and optimum performance of T8 lamps when used with instant-start ballasts. Improper wiring can cause field problems related to installation and retrofit of T8 lamps with instant-start ballasts.

 

PDF Download NEMA LSD 2B—Application Note: Wiring Requirements for 2G11 Based T5 Fluorescent Twin Lamps With Instant-Start Ballasts

Addresses field problems related to installation of 2G11 based T5 fluorescent twin lamps with instant-start ballasts.

 

PDF Download NEMA LSD 3—Interaction of Infrared Controls and Electronic Compact Fluorescent Lamps

Defines possible interactions between compact fluorescent lamps and remote controls typically used in home entertainment devices, such as TVs and VCRs.

 

PDF Download NEMA LSD 4—Glossary of Terms Pertaining to Remote Illumination Systems

Defines the more common terms associated with remote illumination systems: systems intended to generate and/or conduct light from its source, an illuminator, through a light guide assembly to one or more remote locations, luminaires, for the purpose of illumination.

 

PDF Download NEMA LSD 5—34 W Fluorescent Lamps and High-Frequency Electronic Ballasts

Discusses the operation of tin-coated energy-saving fluorescent lamps on high-frequency ballasts. Explains the technical basis for potential starting difficulties that can occur as the result of interactions between the inside tin-coated energy-saving lamps and some high-frequency ballasts.

 

PDF Download NEMA LSD 6—Interaction of Infrared Controls and Fluorescent Lamp/Ballast Systems in Education Facilities

Covers possible interactions between lamp/ballast systems and equipment in educational institutions communicating within the infrared spectral region.

 

PDF Download NEMA LSD 7—Ultraviolet Radiation (UV) from Fluorescent Lamps

Discusses various scientific studies on possible effects of exposure to light sources reported in the popular press. This interest has been stimulated by the fact that: 1) most light sources emit some small amount of UV energy, and 2) extended exposure to the high UV levels in sunlight can causes adverse effects in the skin.

 

PDF Download NEMA LSD 8—Compact Fluorescent Lamps in Residences—Power Quality Implications

Addresses the growing proliferation of high-reliability, low-cost electronic products that can represent non-linear loads from a power systems point of view. These products include entertainment information technology devices; food preparation and cooking products with electronic ballasts; compact screw-in fluorescent lamps; and other power-conversion devices that operate a variety of lamps.

 

PDF Download NEMA LSD 9—Compatibility of Add-on Tube Guards with T8 Fluorescent Lamps Operating on High-Frequency Electronic Ballasts

Addresses concerns that arise in the field regarding the use of plastic tube guards on T8 fluorescent lamps operated on high-frequency electronic ballasts.

 

PDF Download NEMA LSD 10—A Guide for the Safe Use of Remote Illumination Systems Equipment, Including a Glossary of Definitions

Facilitates the safe installation and use of remote illumination systems equipment. Includes consistent applicable definitions.

 

PDF Download NEMA LSD 11—White Paper on Outdoor Lighting Issues

Provides information related to outdoor lighting issues and quality lighting. Identifies specific lighting issues, explains the interaction of these issues, defines correct lighting terminology and provides straightforward technical guidance.

 

PDF Download NEMA LSD 13—Exit Sign Brightness for Visibility and Safety

Provides a brief background on life safety codes and standards requirements, reviews exit sign technologies relative to brightness, summarizes visibility research results and sets forth recommendations for the visibility of exit signs to promote safety.

 

PDF Download NEMA LSD 14—Guidelines on the Application of Dimming to High-Intensity Discharge Lamps

Provides general information and considerations involved in the design and application of dimming circuitry employed with specific ballasts and lamps.

 

PDF Download NEMA LSD 15—Radioactive Substances in Compact Fluorescent Lamps

Addresses why radioactive elements are used in the starting mechanism of compact fluorescent lamps.

 

PDF Download NEMA LSD 17—Consumer Guide for 4-Ft Fluorescent Bulbs

Provides a simplified guide to fluorescent bulb replacement and safe application.

 

PDF Download NEMA LSD 18—Compatibility of Fluorescent Lamps and Electronic Ballasts in Frequently Switched Applications

Provides guidance in the selection of ballast type as a function of lamp switching rate to achieve the desired energy savings while maintaining acceptable lamp life.

 

PDF Download NEMA LSD 21—End-of-Life Operation of Small Diameter (5/8 in. Diameter or Less) Pin-Based Fluorescent Lamps

Addresses variations in electrical and thermal parameters of small-diameter fluorescent lamps.

 

PDF Download NEMA LSD 22—Demand Reduction and Energy Savings Using Occupancy Sensors

Provides unique and valuable data about occupancy sensor demand reduction and energy savings potential.

 

PDF Download NEMA LSD 23—Recommended Practice—Lamp Seasoning for Fluorescent Dimming Systems

Addresses flickering and other visual instabilities that occur when new fluorescent lamps are installed in a dimming system.

 

PDF Download NEMA LSD 24—Marking of Luminaire Codes on Metal Halide Lamps

Discusses designations for high-intensity discharge lamps specified in ANSI C78.380.

 

PDF Download NEMA LSD 25—Best Practices for Metal Halide Lighting Systems, Plus Questions and Answers about Lamp Ruptures in Metal Halide Lighting Systems

Provides educational information for the selection, operation and maintenance of metal halide lighting systems with specific emphasis on those items pertinent to the risks associated with lamp rupture.

 

PDF Download NEMA LSD 27—Best Practices for Operating Fluorescent Lighting Systems

Summarizes information and recommendations found in more detailed NEMA papers on individual topics, as well as additional information and recommendations.

 

PDF Download NEMA LSD 29—Incompatibility of T8 Ballasts (RS, PS, Dimming) and Shunted Bi-Pin Lampholders

Shows the correct application of lampholders.

 

PDF Download NEMA LSD 31—A Lighting Systems Division Information Bulletin: Changes to the 2005 NEC Will Impact Future Metal Halide Systems Options

Addresses changes to the 2005 NEC that will impact original equipment manufacturers and specifiers of metal halide luminaires, as well as their customers.

 

PDF Download NEMA LSD 34—Recommended Practices for T8 Rapid-Start Fluorescent Lamp Dimming (17 W, 25 W, 32 W and 40 W Lamps)

Addresses the selection, integration, installation, application and maintenance of the dimming system components that together constitute a T8 fluorescent lamp-dimming system.

 

PDF Download NEMA LSD 35—ANSI Code Update to Include Letter C for Ceramic Metal Halide Lamps

Addresses ANSI code changes for ceramic metal halide lamps.

 

PDF Download NEMA LSD 37—Effects of EPAct 2005 on Mercury Vapor (MV) Lamp Ballasts and Lighting Systems—Frequently Asked Questions

Summarizes implications of the EPAct of 2005 on the availability of MV lamp ballasts.

 

PDF Download NEMA LSD 39—Four-Pin Spiral Compact Fluorescent Lamp Systems Issues, Recommendations and Standardization

Addresses industry plans to include this emerging lamp type in proposed ANSI consensus standards for industry and summarizes current recommendations to minimize potential field issues.

 

PDF Download NEMA LSD 40—Failure Modes for Self-Ballasted Compact Fluorescent Lamps (SBCFLs)—A NEMA Update

Explains in simplified terms why SBCFLs have different failure modes from normal incandescent lamps.

 

PDF Download NEMA LSD 41—UN2911 Labeling and Transportation of Lamps Containing Radioactive Substances

Discusses radioactive isotopes in light bulbs.

 

PDF Download NEMA LSD 43—Luminaire Ballast Disconnects

Discusses U.S. and Canadian electrical code changes requiring disconnects between certain luminaires and ballasts.

 

PDF Download NEMA LSD 44—Solid-State Lighting—The Need for a New Generation of Sockets and Interconnects

Describes the history of sockets and interconnects and advocates for standards development for the next generation of lamp and lighting technology.

 

PDF Download NEMA LSD 45—Recommendations for Solid-State Lighting Sub-Assembly Interfaces for Luminaires

Provides guidance on the design and construction of interconnects (sockets) for solid-state lighting applications.

 

PDF Download NEMA LSD 46—Photoluminescent Exit Signage—Factual Review

Describes concerns regarding the marketing and application recommendations common to photoluminescent exit signage in the U.S. and Canada. Intended to educate potential users as to the considerations regarding installing and relying upon this type of emergency equipment. Includes 12/16/09 editorial correction to labeling of units and equivalents for luminance values.

 

PDF Download NEMA LSD 48—Lead in Household Lamps

Summarizes the use and reasons for use of lead in household lamps.

 

PDF Download NEMA LSD 49—Solid-State Lighting for Incandescent Replacement—Best Practices for Dimming

Provides recommendations for the dimming and design of screw-based incandescent replacement solid-state lighting products.

 

PDF Download NEMA LSD 51—Solid-State Lighting—Definitions for Functional and Decorative Applications

Illustrates and clarifies the differences between functional and decorative solid-state lighting luminaires and defines metrics needed to evaluate performance.


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