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  • UL 943:5ED 2016-05

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Ground-Fault Circuit-Interrupters

    Available format(s):  Hardcopy

    Superseded date:  01-02-2018

    Language(s): 

    Published date:  17-05-2016

    Publisher:  Underwriters Laboratories

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    Table of Contents - (Show below) - (Hide below)

    Preface
    1 Scope
    2 Normative References
    3 Definitions
    4 General
    5 Construction
    6 Tests
    7 Markings
    8 Installation Instructions
    SUPPLEMENT SA - OPTIONAL 10 KA SHORT CIRCUIT CURRENT TEST
                    FOR OUTLET-BOX TYPE GROUND-FAULT
                    CIRCUIT-INTERRUPTERS
    Annex A (normative) - Reference Standards
    Annex B (informative) - French Translations and Markings
    Annex C (informative) - Spanish Translations and Markings
    Annex D (informative) - Reference Publications
    Annex E (Normative in Canada and the United States; informative
            in Mexico) - Installation Instructions - Configuration
            Drawings

    Abstract - (Show below) - (Hide below)

    This revision of the Standard for Safety for Ground-Fault Circuit-Interrupters, ANSI/UL 943, includes the following changes in requirements: Expansion of Auto-Monitoring and End of Life Requirements to All Types of GFCIs Addition of Requirements for Programmable Components Improving the Auto-Monitoring Function of Permanently Connected Ground-Fault Circuit Interrupters

    Scope - (Show below) - (Hide below)

    1.1 This Standard applies to Class A, single- and three-phase, ground-fault circuit-interrupters intended for protection of personnel, for use only in grounded neutral systems in accordance with the National Electrical Code (NEC), ANSI/NFPA 70, the Canadian Electrical Code, Part I, and Electrical Installations (Use), NOM-001-SEDE.

    General Product Information - (Show below) - (Hide below)

    Development Note Also numbered as ANCE NMX-J-520. (03/2006) Also numbered as CSA C22.2.144.1. (06/2016)
    Document Type Standard
    Publisher Underwriters Laboratories
    Status Superseded

    Standards Referenced By This Book - (Show below) - (Hide below)

    NFPA 70E : 2018 ELECTRICAL SAFETY IN THE WORKPLACE
    SAE J 2698 : 2014 PRIMARY SINGLE PHASE NOMINAL 120 VAC WIRING DISTRIBUTION ASSEMBLY DESIGN - TRUCK AND BUS
    UL 1647:6ED 2015-08 Motor-Operated Massage and Exercise Machines
    NFPA 70B : 2016 RECOMMENDED PRACTICE FOR ELECTRICAL EQUIPMENT MAINTENANCE
    A-A-55459 Revision D:2009 INTERRUPTER, GROUND FAULT, TWO-POLE, THREE-WIRE, 20-AMPERE
    A-A-55461 Revision D:2009 INTERRUPTER, GROUND FAULT, TWO-POLE, THREE-WIRE, HOSPITAL GRADE, 20-AMPERE
    MIL P 29183 : B PANELBOARD, POWER DISTRIBUTION PORTABLE WEATHERPROOF, GENERAL SPECIFICATION FOR
    A-A-55460 Revision D:2009 INTERRUPTER, GROUND FAULT, TWO-POLE, THREE-WIRE HOSPITAL GRADE, 15-AMPERE
    MIL-DTL-29183 Revision C:2003 PANELBOARDS, POWER DISTRIBUTION, PORTABLE, WEATHERPROOF, GENERAL SPECIFICATION FOR
    MIL-DTL-53126 Revision A:2012 POWER DISTRIBUTION, ILLUMINATION SYSTEMS, ELECTRICAL, GENERAL SPECIFICATION FOR
    A-A-55458 Revision D:2009 INTERRUPTER, GROUND FAULT, TWO-POLE, THREE-WIRE, 15-AMPERE
    MIL-B-28658 Revision E:1991 BUILDING COMPONENTS, PANELIZED, PREFABRICATED, READY-CUT, RELOCATABLE
    NFPA 1901:2016 AUTOMOTIVE FIRE APPARATUS
    CSA C22.2 No. 5 : 2013 MOLDED-CASE CIRCUIT BREAKERS, MOLDED-CASE SWITCHES AND CIRCUIT-BREAKER ENCLOSURES
    ASTM F 2666 : 2016 : REDLINE Standard Specification for Aboveground Portable Pools for Residential Use
    UL 508A:3ED 2018-04 Industrial Control Panels
    IEEE 3004.5-2014 IEEE Recommended Practice for the Application of Low-Voltage Circuit Breakers in Industrial and Commercial Power Systems
    UL 1431:3ED 2011-03 Personal Hygiene and Health Care Appliances
    UL 1727:5ED 2012-05 Commercial Electric Personal Grooming Appliances
    UL 1640:4ED 2016-11 Portable Power-Distribution Equipment
    CSA C22.2 No. 281.2 : 2012 : INC : UPD 1 : 2015 STANDARD FOR SAFETY FOR PERSONNEL PROTECTION SYSTEMS FOR ELECTRIC VEHICLE (EV) SUPPLY CIRCUITS: PARTICULAR REQUIREMENTS FOR PROTECTION DEVICES FOR USE IN CHARGING SYSTEMS
    UL 497C:2ED 2001-08 Protectors for Coaxial Communications Circuits
    CSA C22.2 No. 281.1:2012 STANDARD FOR SAFETY FOR PERSONNEL PROTECTION SYSTEMS FOR ELECTRIC VEHICLE (EV) SUPPLY CIRCUITS: GENERAL REQUIREMENTS
    CSA C22.2 No. 281.1 : 2012 : INC : UPD 2 : 2016 STANDARD FOR SAFETY FOR PERSONNEL PROTECTION SYSTEMS FOR ELECTRIC VEHICLE (EV) SUPPLY CIRCUITS: GENERAL REQUIREMENTS
    UL 943B:3ED 2017-12 Appliance Leakage-Current Interrupters
    UL 636:11ED 2018-01 Standard for Holdup Alarm Units and Systems
    NEMA 280 : 1990 APPLICATION GUIDE FOR GROUND FAULT CIRCUIT INTERRUPTERS
    PP 1-1986 (R1996) PROCEDURE FOR EVALUATING GROUND FAULT CIRCUIT INTERRUPTERS FOR RESPONSE TO CONDUCTED RADIO FREQUENCY ENERGY
    ANSI/NEMA AB 3:2013 Molded-Case Circuit Breakers and Their Application
    IEEE C62.42-2005 IEEE Guide for the Application of Component Surge-Protective Devices for Use in Low-Voltage [Equal to or Less than 1000 V (ac) Or 1200 V (dc)] Circuits
    UL 60950-22:2ED 2017-03 Information Technology Equipment - Safety - Part 22: Equipment to be Installed Outdoors
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    CSA C22.2 No. 60745.1 : 2007 : INC : UPD 2 : 2011 : FR HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS - SAFETY - PART 1: GENERAL REQUIREMENTS
    CAN/CSA-C22.2 NO. 281.2-12 (R2017) Standard for safety for personnel protection systems for electric vehicle (EV) supply circuits: Particular requirements for protection devices for use in charging systems (Tri-national standard, with UL 2231-2 and NMX-J-668/2-ANCE)
    UL 507:10ED 2017-11 Electric Fans
    CSA C22.2 No. 281.2 : 2012 : INC : UPD 2 : 2016 STANDARD FOR SAFETY FOR PERSONNEL PROTECTION SYSTEMS FOR ELECTRIC VEHICLE (EV) SUPPLY CIRCUITS: PARTICULAR REQUIREMENTS FOR PROTECTION DEVICES FOR USE IN CHARGING SYSTEMS
    MIL-PRF-44259 Revision E:2009 LIGHT SET, PORTABLE, FLUORESCENT
    UL 1559:5ED 2011-03 Insect-Control Equipment - Electrocution Type
    UL 458:6ED 2015-09 Power Converters/Inverters and Power Converter/Inverter Systems for Land Vehicles and Marine Crafts
    UL 921 : 7 COMMERCIAL DISHWASHERS
    UL 1083:6ED 2009-01 Household Electric Skillets and Frying-Type Appliances
    CAN/CSA-C22.2 NO. 281.1-12 (R2017) Standard for safety for personnel protection systems for electric vehicle (EV) supply circuits: General requirements (Tri-national standard, with UL 2231-1 and NMX-J-668/1-ANCE)
    CSA C22.2 No. 60335-1:2011 SAFETY OF HOUSEHOLD AND SIMILAR APPLIANCES - PART 1: GENERAL REQUIREMENTS
    UL 963:4ED 2016-02 Standard for Sealing, Wrapping, and Marking Equipment
    UL 2231-2:2ED 2012-09 Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: Particular Requirements for Protection Devices for Use in Charging Systems
    CSA C22.2 No. 281.2:2012 STANDARD FOR SAFETY FOR PERSONNEL PROTECTION SYSTEMS FOR ELECTRIC VEHICLE (EV) SUPPLY CIRCUITS: PARTICULAR REQUIREMENTS FOR PROTECTION DEVICES FOR USE IN CHARGING SYSTEMS
    UL 2231-1:2ED 2012-09 Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits; Part 1: General Requirements
    UL 1018:6ED 2011-04 Electric Aquarium Equipment
    UL 499:14ED 2014-11 Electric Heating Appliances
    CSA C22.2 No. 281.1 : 2012 : INC : UPD 1 : 2015 STANDARD FOR SAFETY FOR PERSONNEL PROTECTION SYSTEMS FOR ELECTRIC VEHICLE (EV) SUPPLY CIRCUITS: GENERAL REQUIREMENTS
    UL 283:3ED 2015-06 Air Fresheners and Deodorizers
    UL 775:3ED 1998-02 Standard for Graphic Arts Equipment
    CAN/CSA-C22.2 NO. 60335-1:11 (R2016) Safety of household and similar appliances - Part 1: General requirements (Tri-national standard, with NMX-J-521/1-ANCE and UL 60335-1)
    UL 60335-1:6ED 2016-10 Standard for Safety of Household and Similar Appliances, Part 1: General Requirements
    UL 858:16ED 2014-11 Household Electric Ranges
    UL 1008:8ED 2014-12 Transfer Switch Equipment
    CAN/CSA-C22.2 NO. 60950-22:17 Information technology equipment - Safety - Part 22: Equipment to be installed outdoors (Binational standard with UL 60950-22)
    ANSI Z83.21 : 2016 COMMERCIAL DISHWASHERS
    CSA C22.2 No. 167 : 2017 HOUSEHOLD DISHWASHERS
    SAE J 2891 : 2015 AUXILIARY POWER UNIT ELECTRICAL INTERFACE REQUIREMENTS FOR CLASS EIGHT TRUCKS
    ANSI/AIHA/ASSP Z9.9-2010 PORTABLE VENTILATION SYSTEMS
    CSA C22.2 No. 178.1 : 2014 TRANSFER SWITCH EQUIPMENT
    CSA C22.2 No. 168 : 2016 COMMERCIAL DISHWASHERS
    CSA C22.2 No. 60745.1 : 2007 : INC : UPD 3 : 2013 : R201200 HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS - SAFETY - PART 1: GENERAL REQUIREMENTS
    UL 1447:6ED 2017-10 Standard for Electric Lawn Mowers
    UL 60079-0:6ED 2013-07 Explosive Atmospheres - Part 0: Equipment - General Requirements
    CSA C22.2 No. 60745.1 : 2007 : R2012 HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS - SAFETY - PART 1: GENERAL REQUIREMENTS
    UL 1563:6ED 2009-07 Electric Spas, Equipment Assemblies, and Associated Equipment
    UL 82:9ED 2017-08 Electric Gardening Appliances
    CAN/CSA-C22.2 No. 62841-1 : 2015 ELECTRIC MOTOR-OPERATED HAND-HELD TOOLS, TRANSPORTABLE TOOLS AND LAWN AND GARDEN MACHINERY - SAFETY - PART 1: GENERAL REQUIREMENTS
    UL 541:9ED 2016-04 Refrigerated Vending Machines
    CSA C22.2 No. 60745.1 : 2007 : INC : UPD 2 : 2011 : R2012 HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS - SAFETY - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 60745.1 : 2007 HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS - SAFETY - PART 1: GENERAL REQUIREMENTS
    UL 1008A:2ED 2017-09 Transfer Switch Equipment, Over 1000 Volts
    UL 1090:7ED 2016-10 Electric Snow Movers
    CSA C22.2 No. 60745.1 : 2007 : INC : UPD 2 : 2011 HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS - SAFETY - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 60745.1 : 2007 (R2017) HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS - SAFETY - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 NO. 178.3:17 Transfer switch equipment, over 1000 volts (Binational standard with UL 1008A)
    NFPA 73 : 2016 ELECTRICAL INSPECTIONS FOR EXISTING DWELLINGS
    C22.2 NO. 243-17 Vacuum cleaners, blower cleaners, and household floor finishing machines (Binational standard with UL 1017)
    C22.2 NO. 236-15 Heating and cooling equipment (Bi-national standard with UL 1995)
    ASTM E 2345 : 2004 Standard Practice for Investigating Electrical Incidents (Withdrawn 2004)

    Standards Referencing This Book - (Show below) - (Hide below)

    UL 50:13ED 2015-10 Enclosures for Electrical Equipment, Non-Environmental Considerations
    CSA C22.2 No. 5 : 2013 MOLDED-CASE CIRCUIT BREAKERS, MOLDED-CASE SWITCHES AND CIRCUIT-BREAKER ENCLOSURES
    CSA C22.2 No. 29 : 2015 PANELBOARDS AND ENCLOSED PANELBOARDS
    C22.1-15 Canadian Electrical Code, Part I (23rd Edition), Safety Standard for Electrical Installations
    CSA C22.2 No. 60065 : 2016 AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS
    CSA C22.2 No. 0.4 : 2004(R2013) BONDING OF ELECTRICAL EQUIPMENT
    UL 83:16ED 2017-07 Standard for Thermoplastic-Insulated Wires and Cables
    CSA C22.2 No. 144 : 1991 GROUND FAULT CIRCUIT INTERRUPTERS
    CSA C22.2 No. 0.2 : 2016 INSULATION COORDINATION
    CSA C22.2 No. 65 : 2013 WIRE CONNECTORS
    CSA C22.2 No. 60529 : 2016 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE)
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    CSA C22.2 No. 18 : 0 OUTLET BOXES, CONDUIT BOXES, FITTINGS AND ASSOCIATED HARDWARE
    CSA C22.2 No. 0.15 : 2015 ADHESIVE LABELS
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    ASTM D 648 : 2016 Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position
    C22.2 NO. 75-17 Thermoplastic insulated wires and cables (Trinational standard with UL 83 and NMX-J-010-ANCE-2017)
    ASTM D 257 : 2014 : REDLINE Standard Test Methods for DC Resistance or Conductance of Insulating Materials
    CSA C22.2 No. 14 : 2013 INDUSTRIAL CONTROL EQUIPMENT
    CSA C22.2 No. 89 : 2015 SWIMMING-POOL LUMINAIRES, SUBMERSIBLE LUMINAIRES, AND ACCESSORIES
    CSA C22.2 No. 94.2 : 2015 ENCLOSURES FOR ELECTRICAL EQUIPMENT, ENVIRONMENTAL CONSIDERATIONS
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