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NEMA
Standards
All Standards by Product
All Standards by Product
-- Select Product --
BUILDING INFRASTRUCTURE
AFCI
Cable Bus
Cable Cleat
Cable Ties and Positioning Devices
Cable Tray
Conduit Fittings
Enclosures
Flexible Metal Conduit
Fuse
Ground Fault Personnel Protection
Health Care Facility Equipment
Low Voltage Surge Protective Devices_old
Outlet & Switchbox
Pin & Sleeve Plug, Receptacle and Connector
Polymer Raceway
Polymer Raceway Products
Steel Conduit & Electrical Metallic Tubing Section
Wiring Devices
BUILDING SYSTEMS
AFCI
Connected Building Systems
Dry Battery
Electric Resistance Heating
Electrical Submeter
Fire, Life Safety, Security & Emergency Communication
Health Care Communication & Emergency Call Systems
Low Voltage Distribution Equipment
LVDE 1: Molded Case Circuit Breaker
LVDE 2: Panelboards, Loadcenters, & Distribution Boards
LVDE 4: Busway
Power Electronics
Residential & Commercial Controls
INDUSTRIAL PRODUCTS & SYSTEMS
Arc Welding
Carbon/Manufactured Graphite
Industrial Automation Control Products & Systems
Insulating Materials
Insulating Materials 1: Flexible Insulation & Mica
Insulating Materials 2: Industrial Laminate
Magnet Wire
Motor & Generator
Motor & Generator: Small Machine
Wire & Cable
Wire and Cable
LIGHTING SYSTEMS
Ballast & Driver
Emergency Lighting
Light Source
Lighting Controls
Luminaire
MEDICAL IMAGING AND TECHNOLOGY ALLIANCE (MITA), A DIVISION OF NEMA
DICOM (Digital Imaging and Communications in Medicine)
Focused Ultrasound
Magnetic Resonance
Medical Imaging Informatics
Molecular Imaging
Radiation Therapy
Ultrasound Imaging
X-Ray Imaging Products
TRANSPORTATION SYSTEMS
Electric Vehicle Supply Equipment/System
Electric Vehicle Supply Equipment/Systems
Industrial Imaging & Communications
Industrial Imaging and Communications
Traction Motors
Transportation Management Systems & Associated Control Devices
UTILITY PRODUCTS & SYSTEMS
Capacitor
Distribution Automation
Electrical Connector
Electrical Measuring Equipment
Electrical Measuring Equipment: Electrical Metering
Energy Storage
High Voltage Insulator
Power Conversion
Surge Arrester
Switchgear
Transformers
Transformers 1: Dry-Type & Specialty Transformers
Transformers 2
5G Best Practices Technical Guidance Report
A NEMA Ground Fault Personnel Protection Section White Paper—Ground-Fault Circuit Interrupter (GFCI) Fact Sheet
Aboveground Reinforced Thermosetting Resin Conduit and Fittings
American National Standard for Degrees of Protection Provided by Enclosures (IP Code) (Identical National Adoption)
American National Standard for Electric Connectors—Connectors for Use Between Aluminum-to-Aluminum and Aluminum-to-Copper Conductors Designed for Normal Operation at or Below 93°C and Copper-to-Copper
American National Standard for Electric Connectors—Insulation-Piercing Connector Systems, Rated 600 V or Less (Low Voltage Aerial Bundled Cables and Insulated and Non-Insulated Line Wires)
American National Standard for Electric Connectors—Sealed Insulated Underground Connector Systems Rated 600 V
American National Standard for Electric Lamps—Single-Ended Tungsten-Halogen Lamps GZ9.5 Base, T6 Bulb, 36.5mm LCL, 76.2mm MOL with Proximity Reflector
American National Standard for Electric Rigid Steel Conduit
American National Standard for Electrical Metallic Tubing—Steel (EMT-S)
American National Standard for Electrical Rigid Metal Conduit—Aluminum (ERMC-A)
American National Standard for Intermediate Metal Conduit (EIMC)
American National Standard for Switchgear—Metal-Enclosed Low Voltage AC Power Circuit Breaker Switchgear Assemblies—Conformance Test Procedures
American National Standard for Test Procedures for Low-Voltage AC Power Circuit Protectors Used in Enclosures
Annular Space Protection of Openings Created by Penetrations of Tubular Steel Conduit, A Review of UL Special Service Investigation, File NC 546, Project 90NK11650
Application Considerations: Mechanical Properties
Application Environments Exposure to Ultraviolet Light
Application Guide for Isolated Ground Wiring Devices
Application Guide for Isolated Ground Wiring Devices—Canadian Version
Automatic Receptacle Control—Manufacturer Best Practice Checklist Technical Bulletin
Automatic Receptacle Controls to Meet Energy Efficiency Requirements
Avoid Arc-Flash Occurrences by Following Industry Standards
Belowground Reinforced Thermosetting Resin Conduit and Fittings
Best Practices for Metal Halide Lighting Systems Relative to Lamp Rupture Risks
Blockchain Technical Guidance for the Electroindustry
Cable Cleats
Cable Ties and Fixing Devices for Electrical Installations—Type Classification Guide
Cable Tray Installation Guidelines
Cable Tray Width Selection for Installations with 2000 Volts or Less, Single Conductor Cables
Clarification of Access Requirements for Service-Rated Transfer Switches
Climate Data and Extreme Value Statistics applied to Service Temperatures as a Function of the Return Period
Compatibility between Smoke Alarms and Arc-Fault Circuit Interrupters
Compliance with Domestic Preference Requirements
Concrete-Tightness of Enclosures, Outlet Boxes, Junction Boxes, and Conduit Fittings
COVID-19 Cleaning and Disinfecting Guidance for Electrical Equipment
COVID-19 Guía de Limpieza y Desinfección para Equipos EléctricosVersión 1, 13 de mayo de 2020
Degrees of Protection Provided by Enclosures (IP Code)
Design Considerations for MV Switching Equipment in Underground Applications
Dimmers, Photoelectric Controls, Presence Sensors, and Multi-outlet Bars Energy Consumption Testing and Labeling
Dissimilar Metals for Conduit and Tubing per the National Electrical Code
Distribution Equipment Switch Application Guide, A User's Reference
Drain Openings in Boxes and Conduit Bodies Listed for Damp or Wet Locations
Electrical Nonmetallic Tubing (ENT)
Electrical Polyvinyl Chloride (PVC) Conduit
Enclosure FAQ - IP69 and IP69K-2024
Enclosures for Electrical Equipment (1,000 Volts Maximum)
Enclosures for Electrical Equipment (1,000 Volts Maximum)
End User Risk Assessment Template
Engineering Series Ratings: Is It Practical?
Environmentally Conscious Design for Electrical and Electronic Products
Evaluación de equipo eléctrico dañado por fuego y calor
Evaluating Earthquake Damaged Electrical Equipment Guide
Evaluating Fire- and Heat-Damaged Electrical Equipment
Expansion Epoxy-Based Fittings for RTRC Rigid Nonmetallic Conduit
Expansion Fittings for Polyvinyl Chloride (PVC) Rigid Nonmetallic Conduit
Extra Heavy Wall Aboveground Reinforced Thermosetting Resin Conduit and Fittings
Fiberglass Cable Tray Systems
Fittings for Polyvinyl Chloride (PVC) Plastic Utilities Duct for Underground Installation
Fittings, Cast Metal Boxes and Conduit Bodies for Conduit, Electrical Metallic Tubing (EMT) and Cable
Gabinetes para equipos eléctricos (1000 Volts Máximo)
General Color Requirements for Wiring Devices
GFCI Replacement Recommendation
Guía de evaluación de equipos eléctricos dañados por terremotos
Guide to the Electroindustry
Guidelines for Conduit-in-Casing Construction
Guidelines for Electrical Wiring Device Replacement
Guidelines for Inspection and Preventive Maintenance of Molded-Case Circuit Breakers Used in Commercial and Industrial Applications
Guidelines for Solvent-Cementing Joints for PVC Rigid Nonmetallic Conduit, Duct, and Fittings
Guidelines for the Selection and Installation of Smooth-Wall Coilable High-Density Polyethylene (HDPE) Conduit
Guidelines for the Selection and Installation of Underground Nonmetallic Raceways
Harmonized Cybersecurity Standards and Conformity Assessment
Hazards of Working on Energized Electrical Equipment
High Ambient Temperature Test Procedure for Wiring Devices
Impact of Surges on Equipment: Susceptibility of Electronics to Surge Damage
Installation Guidelines for Expansion and Expansion/Deflection Fittings
Installation Guidelines for Surface Nonmetallic Raceway
Low Voltage Cartridge Fuses
Manufactured Graphite/Carbon Electrodes
Melamine Formaldehyde
Metal Cable Bus Systems
Metal Cable Tray Systems
Minimizing the Potential of Base Arcing Between Certain Wattage HID Lamps and Lampholders
Molded-Case Circuit Breakers and Their Application
NEMA 10250 Enclosure Types
NEMA and IP Ratings for Liquid-tight Flexible Metal Conduit and Fittings
NEMA GFCI State Adoption Whitepaper
NEMA Position on Conformity Assessment
NEMA Position Paper: Use of Supplier’s Declaration of Conformity (SDoC) in the U.S. Workplace
NEMA Seismic Guideline 1—General Requirements for Seismic Qualification of Electrical Equipment for Commercial Building Codes
NEMA UL vs IEC 62208 Type Enclosure Comparison
Network Lighting Control Systems Configuration Report
No Longer for Sale
Nonmetallic Outlet Boxes, Device Boxes, Covers and Box Supports
Nonmetallic Riser U-Type Guards
Occupancy Motion Sensors Standard
Packaging of Master Bundles for Electrical Rigid Metal Conduit (ERMC)—Steel, Electrical Intermediate Metal Conduit (EIMC)—Steel, and Electrical Metallic Tubing (EMT)—Steel
Packaging of Master Bundles for EPC-40 Polyvinyl Chloride (PVC) Conduit
Panelboards
Performance Testing for Lighting Controls and Switching Devices with Electronic Drivers and Discharge Ballasts
Phase-Cut Dimming for Solid State Lighting—Basic Compatibility
Polyvinyl Chloride (PVC) Externally Coated Galvanized Rigid Steel Conduit and Intermediate Metal Conduit
Polyvinyl Chloride (PVC) Fittings for Use with Rigid PVC Conduit and Tubing
Polyvinyl Chloride (PVC) Plastic Utilities Duct for Underground Installations
Power Quality Monitors: From a Transient Perspective
Product Identification Numbers for Metallic Tubular Conduit Products for Use with Bar Coding and Electric Data Interchange (EDI) Applications
Protection of Receptacle Outlets in Wet Locations According to the National Electrical Code® (NEC)
Purchasing Specification Guidance for Circuit Breaker Control Cabinets
Reinforced Thermosetting Resin Conduit and Fittings Series
Remote Inspection & Testing Whitepaper
Requirements for Air-Sealed Boxes for Electrical and Communication Applications
Rigid Metal Conduit, Intermediate Metal Conduit and Electrical Metallic Tubing: Proven to Meet the NEC® Requirements for Equipment Grounding
Seismic Certification Criteria for Nonstructural Electrical Components for Commercial Building Code Applications
Seismic Certification of Nonstructural Electrical Subcomponents by Shake-Table Testing Independent of the Parent Equipment
Selection and Installation Guidelines for Electrical Outlet Boxes
Selection and Installation Guidelines for Fittings for Use with Flexible Electrical Conduit and Cable
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)
Sheet-Steel Outlet Boxes, Device Boxes, Covers and Box Supports
Sistemas de charolas metálicas
Smooth Wall Coilable Electrical Polyethylene Conduit
Specification for E&I components and installation Part 2: Cable laying on cable tray
Stainless Steel Conduit & Tubing
Steel Conduit Materials and Coatings
Supply Chain Best Practices
Susceptibility of Electrical and Electronic Components to Surge Damage
Temporal Light Artifacts: Test Methods and Guidance for Acceptance Criteria
Testing Methods and Equipment Common to the ANSI C119 Family of Standards
The Grounding System That Works—Steel Conduit (Electrical Metallic Tubing, Intermediate Metal Conduit and Galvanized Rigid)
Type 2 Motor Starter Protection Fuse Guide
Undercarpet Power Distribution Systems
Use of Temporary Covers on Panelboards
Use of Third-Party Refurbishment on Switching and Breaking Devices
User Guide to Product Specifications for Metal Electrical Conduit and Tubing
User's Manual for the Installation of Underground Corrugated Coilable Plastic Utility Duct (CCD)
Weight Supporting Ceiling Receptacle in combination with Weight Supporting Attachment Fittings
What is the Purpose of a Molded Case Circuit Breaker?
Wiring Devices Frequently Asked Questions
Wiring Devices—Dimensional Specifications
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