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            1. NEMA
            2. Standards
            3. Technical Services
            4. Technical Field Representative Program
            5. Code Enforcement Officials
            • Midwest Technical Field Rep
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            • The Technical Field Program: Serving NEMA Members and Promoting Public Safety

            Code Enforcement Officials

            This web page offers Building Code Officials, Electrical Inspectors, and others the capability to view NEMA Standards, guides, white papers, and Engineering Bulletins covering NEMA products ranging from Adjustable Speed Drive Systems to recommendations for Handling Water-Damaged Electrical Equipment. All of these documents are available for free download for printing or for saving as a file for future use. The web page also provides several useful links to:

            • NEMA Standards that are available for purchase,
            • The NEMA Field Representative Program, and
            • websites for other organizations that may be of interest.

            Please forward any suggestions for making this web page more valuable to webmaster.

            NEMA Materials

            • Limited-Service Controllers - by NEMA Members
            • Electrical Standards & Product Guide
            • Guidelines for Handling Water-Damaged Electrical Equipment

            Other Resources

            NEMA Field Representatives serve NEMA members by promoting the use and adoption of the National Electrical Code® (NEC®) and by monitoring regional developments of importance to the electroindustry.

            Sign up for NEMA press releases announcing the publication of new papers and Standards.

            Other Associations & Groups:

            • National Fire Protection Association (NFPA)
            • International Code Council (ICC)
            • International Association of Electrical Inspectors (IAEI)
            • Underwriters Laboratories Inc. (UL)
            • CSA International
            • Intertek ETL SEMKO

            Arc Flash

            Standards

            Guides and White Papers

             Arc-Flash Analysis—Utility System Parameters Critical for Accurate PPE
             Avoid Arc Flash Occurrences by Following Industry Standards

            Automation and Motor Control

            Standards

            Guides and White Papers

            Adjustable Speed Electrical Power Drive Systems, Part 1: General Requirements—Rating Specifications for Low Voltage Adjustable Speed D.C. Power Drive SystemsApplication Guide for AC Adjustable Speed Drive Systems

            Electrical Installation

            Standards

            Guides and White Papers

             Engineering Series Ratings: Is It Practical?
             Evaluating Water-Damaged Electrical Equipment
             Multiple Knockouts
             Knockout Diameters and Fitting Dimensions to Assure Mechanical and Electrical Continuity
             Hazards of Working Electrical Equipment Hot
             Electrical Installation Requirements: A Global Perspective
             A Brief Comparison of NEMA 250 and IEC 60529

            Enclosures

            Standards

            Guides and White Papers

             NEMA Enclosure Types
             A Brief Comparison of NEMA 250 and IEC 60529

            Exit Signs

            Standards

            Guides and White Papers

            Exit Sign Brightness for Visibility & Safety 

            Industrial Control and Systems

            Standards

            Guides and White Papers

            Industrial Control and Systems: General Requirements

             
            Industrial Control and Systems: Safety Guidelines for the Application, Installation, and Maintenance of Solid State Controls 
            Industrial Control and Systems: Preventive Maintenance of Industrial Control and Systems Equipment 
            Industrial Control and Systems Part 1: Electromechanical AC Transfer Switch Equipment  
            Industrial Control and Systems: AC Transfer Equipment — Part 2: Static AC Transfer Equipment 
            Industrial Control and Systems: Profiles of Networked Industrial Devices—Part 1: General Rules 
            Industrial Control and Systems: Application Guide for Electric Fire Pump Controllers 
            Industrial Control and Systems: Instructions for the Handling, Installation, Operation, and Maintenance of Electric Fire Pump Controllers Rated Not More than 600V 
            Industrial Control and Systems: Motion/Position Control Motors, Controls, and Feedback Devices 
            Industrial Control and Systems: Motor Control Centers 
            Industrial Control and Systems: Diagrams, Device Designations, and Symbols 
            AC Vacuum-Break Magnetic Controllers Rated 1500 Volts AC 
            Industrial Control and Systems: Controllers, Contactors, and Overload Relays, Rated Not More Than 2000 Volts AC or 750 Volts DC: Part 8 - Disconnect Devices for Use in Industrial Control Equipment 
            Industrial Control and Systems: Controllers, Contactors, and Overload Relays Rated 600 Volts 
            Industrial Control and Systems: Instructions for the Handling, Installation, Operation, and Maintenance of Motor Control Centers Rated Not More than 600 Volts 
            NEMA and IEC Devices for Motor Service—A Guide for Understanding the Differences 
            Industrial Control and Systems: Medium Voltage Controllers Rated 2001 to 7200 Volts AC 
            Industrial Control and Systems: Handling, Storage, and Installation Guide for AC General-Purpose Medium Voltage Contactors and Class E Controllers, 50 and 60 Hertz 
            Industrial Control and Systems: Terminal Blocks 
            Industrial Control and Systems: Typical Proximity Switch Specifications 
            Industrial Control and Systems: Additional Requirements for Proximity Switches Suitable for Use in Strong Magnetic Fields 
            Industrial Control and Systems: High Pressure Power Wash Test Procedure for Self-Contained Control-Circuit Devices 
            Application Information for Limit Switches 
            Industrial Control and Systems: Control Circuit and Pilot Devices 
            Industrial Control and Systems: Enclosures 
            Adjustable Speed Electrical Power Drive Systems, Part 2: General Requirements--Rating Specifications for Low Voltage Adjustable Frequency A.C. Power Drive Systems 
            Adjustable Speed Electrical Power Drive Systems: Part 4: General Requirements--Rating Specifications for A.C. Power Drive Systems Above 1000 V A.C. and not Exceeding 35 kV 
            Industrial Control and Systems: Adjustable-Speed Drives 
            Safety Standards for Construction and Guide for Selection, Installation, and Operation of Adjustable-Speed Drive Systems 

            Lamps and Lighting Systems

            Standards

            Guides and White Papers
            NEMA - Tungsten-Halogen Lamps (Bulbs): Ultraviolet, Rupture, and High Temperature RisksWhite Paper on Outdoor Lighting Issues
            Wiring Requirements for T-8 Lamps with Instant-Start BallastsGreen Marking of Lamps
            NEMA - Wiring Requirements for 2G11 Based T-5 Fluorescent Twin Lamps With Instant-Start BallastsRecommendations for the Care and Maintenance of High Intensity Metal Halide and Mercury Lighting in Schools
            Interaction of Infrared Controls and Electronic Compact Fluorescent LampsNEMA Guide to Lighting Controls
            Glossary of Terms Pertaining To Remote Illumination SystemsThe Labeling of Mercury Containing Lamps
            34 Watt Fluorescent Lamps And High Frequency Electronic BallastsFluorescent Lamps and the Environment
            Interaction of Infrared Controls and Fluorescent Lamp/Ballast Systems in Education FacilitiesImpact of Mercury Legislation on the Lighting Industry
            Ultraviolet Radiation From Fluorescent LampsManufacturer Take Back of Lamps
            Compact Fluorescent Lamps In Residences – Power Quality ImplicationsPin Based Compact Fluorescent Lamps
            Compatibility of Add-on Tube Guards with T-8 Fluorescent Lamps Operating on High Frequency Electronic BallastsAlternatives to Mercury-Containing Light Solutions
            A Guide for the Safe Use of Remote Illumination Systems Equipment, Including a Glossary of DefinitionsElectronic Ballast / Lighting Controls Compatibility Concerns Associated with Inrush Currents
            Guidelines on the Application of Dimming to High Intensity Discharge Lamps 
            Radioactive Substances In Compact Fluorescent Lamps 
            Consumer Guide for Four-Foot Fluorescent Bulbs 
            Compatibility of Fluorescent Lamps and Electronic Ballasts in Frequently Switched Applications

            Low Voltage Distribution Equipment

            Standards

            Guides and White Papers

            General Instructions for Proper Handling, Installation, Operation, and Maintenance of Busway Rated 600 Volts or LessMolded-Case Circuit Breakers Reduce Arc Flash Hazard Impact
            Instrucciones Generales Para el Manejo, Instalacion, Operacion y Mantenimiento de Electroductos Hasta 600 Volts Nominales o Menos 
            Application Information for Busway Rated 600 Volts or Less 
            Panelboards 
            General Instructions for Proper Installation, Operation, and Maintenance of Panelboards Rated 600 Volts or Less 
            Instrucciones Generales Para la Instalacion, Operacion y El Mantenimiento Correcto de Tableros de Alumbrado y Control Hasta 600 Volts Nominales o Menos 
            Enclosed and Miscellaneous Distribution Equipment Switches (600 Volts Maximum) 
            Molded Case Circuit Breakers and their Application  
            Guidelines for Inspection and Preventive Maintenance of Molded Case Circuit Breakers Used in Commercial and Industrial Applications 

            Miscellaneous

            Standards

            Guides and White Papers

             Safety Guide for Use of Extension Cords
             User Input to NEMA Standards (Guidelines for NEMA Subdivisions)
             Guidelines for Metric Conversion of NEMA Standards
             FCC Regulations Applicable to NEMA Products
             Phantom Voltages
             NEMA Policy on Adoption of the National Electrical Code
             Knockout Diameters and Fitting Dimensions to Assure Mechanical and Electrical Continuity
             The Strengths of an Effective Electrical Safety System
             NEMA Analysis of the Energy Policy Act of 1992: The Scope of Electric Motors Subject to Efficiency Standards on October 24, 1997
             Guide to Preparing a Design Proposal for Paralleling Customer Generation with an Electric Utility

            Motors

            Standards

            Guides and White Papers

            Information Guide for General Purpose Industrial AC Small and Medium Squirrel-Cage Induction Motor StandardsType 2 Motor Starter Protection Guide
            Energy Management Guide for Selection and Use of Fixed Frequency Medium AC Squirrel-Cage Polyphase Induction Motors 
            Energy Management Guide for Selection and Use of Single Phase Motors 

            Residential Controls

            Standards

            Guides and White Papers

            Residential Controls—Class 2 Transformers 
            Residential Controls—Electrical Wall-Mounted Room Thermostats 
            Residential Controls—Surface-Type Controls for Electric Storage Water Heaters 
            Residential Controls—Temperature Limit Controls for Electric Baseboard Heaters 
            Residential Controls: Hot Water Immersion Controls 
            Residential Controls: Line Voltage Integrally Mounted Thermostats for Electric Heaters 

            Smoke Alarms, CO Detectors

            StandardsGuides and White Papers
             Fire and Carbon Monoxide Safety Recommendations
             Guide for Proper Use of System Smoke Detectors
             NEMA Position on Compatibility between Smoke Alarms and AFCIs
             Quality Informational Guide for Automatic Fire Detection and Alarm Systems

            Wiring Systems

            Selection and Installation Guidelines for Fittings for Use with Non-flexible Electrical Metal Conduit or Tubing (Rigid Metal Conduit, Intermediate Metal Conduit, and Electrical Metallic Tubing)Cable Tray Span Specification
            Selection and Installation Guidelines For Fittings for Use With Flexible Electrical Conduit and CableUse of Anti-Short Bushings for Terminating Type MC Cables
            Selection and Installation Guidelines for Electrical Outlet BoxesNEMA Termination of Bonding Strip on Type AC Cable
            Application and Installation Guidelines for Armored Cable and Metal-Clad CableUse of Type NM-B Cable for Wiring of Residential Lighting Fixtures
            Application and Installation Guidelines for Nonmetallic-Sheathed CablesLength Limitations for FMC and LFMC.
            Application and Installation Guidelines for Flexible and Liquidtight Flexible Metal ConduitExpansion Joints for PVC Rigid Nonmetallic Conduit
            Fiberglass Cable Tray SystemsUser Guide to Product Specifications for Electrical Building Wire and Cable
            Metal Cable Tray Installation GuidelinesUser Guide to Product Specifications for Metal Electrical Conduit and Tubing
             Conduit-in-Casing Construction
             Solvent-Cementing Joints for PVC Rigid Nonmetallic Conduit, Duct, and Fittings

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