• UL 50 : 2015

    Current The latest, up-to-date edition.

    ENCLOSURES FOR ELECTRICAL EQUIPMENT, NON-ENVIRONMENTAL CONSIDERATIONS

    Available format(s):  Hardcopy

    Language(s):  English

    Published date:  16-10-2015

    Publisher:  Underwriters Laboratories

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

    Preface
    1 Scope
    2 Units of Measurement
    3 Components
    4 References
    5 Definitions
    6 Construction
    7 Marking
    8 Tests
    9 Cabinets and Cutout Boxes
    10 Junction and Pull Boxes
    Annex A - Standards For Components (Normative)
    Annex B - Reference Standards (Normative)
    Annex C - Marking (Normative - US Only Requirement)
    Annex D - Knockout Dimensions (Informative)

    Abstract - (Show below) - (Hide below)

    The revision of ANSI/UL 50 dated October 15, 2020 includes the following changes in requirements: Junction and Pull Boxes for Use in Air Handling Spaces; 10.1.1, 10.1.2, Section 10.7 Adhesives Used to Secure Observation Windows; 6.2.1, 6.2.5, 6.2.6, 6.6.1.5, 6.6.1.6, Annex B Add Definitions: Cabinet, Cutout Box, Junction Box, and Pull Box; 5.3.1, 5.4.1, 5.9.1, Annex B Restrictions on Use of Sheet Metals Screws; 10.4.12, Annex B Junction and Pull Boxes Less Than 100 Cubic Inches; 10.6.5, Sections 10.8, 10.9, Figure 14 and Figure 15 Clarification of Annex C for Components Clarification of Closure Opening for Polymeric Materials; 6.6.1.3 New Annex E for Adhesives, Enclosures, Non-mechanical Means of Securement; Annex B Requirements for Encapsulated Enclosures; Annex F Exemption of Crush and Impact Tests if Using Safety or Wire Mesh Glass in Large Openings; 6.2.2, 6.2.3.

    Scope - (Show below) - (Hide below)

    1.1 This standard applies to enclosures for electrical equipment intended to be installed and used in non-hazardous locations in accordance with the Canadian Electrical Code, Part I, CSA C22.1, the provisions of the National Electrical Code, NFPA 70, and the provisions of Mexico's Electrical Installations, NOM-001-SEDE, as follows: a)Enclosures for indoor locations, Types 1, 2, 5, 12, 12K, and 13; and b)Enclosures for indoor or outdoor locations, Types 3, 3X, 3R, 3RX, 3S, 3SX, 4, 4X, 6, and 6P.

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

    Development Note Also numbered as CSA C22.2.94.1 & NMX-J-235/1ANCE. (09/2007) NEW CHILD REV 1 2020 IS ADDED NOW
    Document Type Standard
    Product Note NEW CHILD REV 1 2020 IS ADDED NOW
    Publisher Underwriters Laboratories
    Status Current
    Supersedes

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

    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)
    UL 1054 : 7 SPECIAL-USE SWITCHES
    ISO 23551-1:2012 Safety and control devices for gas burners and gas-burning appliances Particular requirements Part 1: Automatic and semi-automatic valves
    UL 60950-22 : 2 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 22: EQUIPMENT TO BE INSTALLED OUTDOORS
    CSA C22.2 No. 61010.1 : 2012 : INC : UPD 1 : 2015 SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 61010.1 :2012 SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE - PART 1: GENERAL REQUIREMENTS
    I.S. EN ISO 23553-1:2014 SAFETY AND CONTROL DEVICES FOR OIL BURNERS AND OIL-BURNING APPLIANCES - PARTICULAR REQUIREMENTS - PART 1: AUTOMATIC AND SEMI-AUTOMATIC VALVES (ISO 23553-1:2014)
    CSA FC 3 : 2004 : R2017 PORTABLE FUEL CELL POWER SYSTEMS
    CSA FC 3 : 2004 PORTABLE FUEL CELL POWER SYSTEMS
    AWWA C542 : 2016 ELECTRIC MOTOR ACTUATORS FOR VALVES AND SLIDE GATES
    CSA C22.2 No. 61010.1 : 2012 : FR SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE - PART 1: GENERAL REQUIREMENTS
    ANSI Z83.21 : 2016 COMMERCIAL DISHWASHERS
    C22.2 NO. 27-09 (R2017) Busways (Tri-national standard, with UL 857 and NMX-J-148-ANCE)
    CSA C22.2 No. 5 : 2013 MOLDED-CASE CIRCUIT BREAKERS, MOLDED-CASE SWITCHES AND CIRCUIT-BREAKER ENCLOSURES
    CSA C22.2 No. 18.1 : 2013 : INC : UPD 1 : 2015 METALLIC OUTLET BOXES
    CSA C22.2 No. 27 : 2009 : INC : UPD 1 : 2011 BUSWAYS
    CSA C22.2 No. 244:2005 SWITCHBOARDS
    CSA C22.2 No. 199 :2007 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2: PARTICULAR REQUIREMENTS FOR AUTOMATIC BURNER IGNITION SYSTEMS AND COMPONENTS
    CSA C22.2 No. 27 :2009 BUSWAYS
    CSA C22.2 No. 18.1 : 2013 : INC : UPD 2 : 2017 METALLIC OUTLET BOXES
    CSA C22.2 No. 18.3 : 2012 : INC : UPD 1 : 2014 CONDUIT, TUBING, AND CABLE FITTINGS
    CSA C22.2 No. 254 : 2005(R2015) MOTOR CONTROL CENTRES
    CSA C22.2 No. 244 : 2005 : INC : UPD 1 : 2012 : R201000 SWITCHBOARDS
    C22.2 NO. 18.1-13 (R2018) Metallic outlet boxes (Tri-national standard, with UL 514A and ANCE NMX- J-023/1)
    C22.2 NO. 213-17 Nonincendive electrical equipment for use in Class I and II, Division 2 and Class III, Divisions 1 and 2 hazardous (classified) locations (Binational standard with UL 121201)
    CSA C22.2 No. 27 : 2009 : R2013 BUSWAYS
    CSA C22.2 No. 199 : 2007 : INC : ADD A : 2010 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2: PARTICULAR REQUIREMENTS FOR AUTOMATIC BURNER IGNITION SYSTEMS AND COMPONENTS
    CSA C22.2 No. 199 : 2007 : R2011 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2: PARTICULAR REQUIREMENTS FOR AUTOMATIC BURNER IGNITION SYSTEMS AND COMPONENTS
    CSA C22.2 No. 199 : 2007 : INC : ADD A : 2010 : R2012 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE - PART 2: PARTICULAR REQUIREMENTS FOR AUTOMATIC BURNER IGNITION SYSTEMS AND COMPONENTS
    CSA C22.2 No. 18.3 : 2012 CONDUIT, TUBING, AND CABLE FITTINGS
    C22.2 NO. 18.3-12 (R2017) Conduit, tubing, and cable fittings (Tri-national standard, with ANCE NMX-J-017 and UL 514B)
    CSA C22.2 No. 244 : 2005 : R2010 SWITCHBOARDS
    CSA C22.2 No. 18.1 : 2013 METALLIC OUTLET BOXES
    SAE J 3068 :2018 ELECTRIC VEHICLE POWER TRANSFER SYSTEM USING A THREE-PHASE CAPABLE COUPLER
    C22.2 NO. 280-16 Electric vehicle supply equipment (Tri-national standard, with UL 2594 and NMX-J-677-ANCE-2016)
    CSA C22.2 No. 107.3 : 2014 UNINTERRUPTIBLE POWER SYSTEMS
    CSA C22.2 No. 61010.1 : 2012 : INC : UPD 2 :2016 SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE - PART 1: GENERAL REQUIREMENTS
    UL 486E : 5 EQUIPMENT WIRING TERMINALS FOR USE WITH ALUMINUM AND/OR COPPER CONDUCTORS
    PIP ELSAP04 : 2015 UNINTERRUPTIBLE POWER SUPPLY (UPS) SYSTEM SPECIFICATION
    UL 231 : 2010 POWER OUTLETS
    CAN/CSA-C22.2 NO. 61010-1-12 (R2017) Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements (Tri-national standard, with UL 61010-1 and ANSI/ISA-61010-1 (82.02.01)
    SAE J 2698 : 2014 PRIMARY SINGLE PHASE NOMINAL 120 VAC WIRING DISTRIBUTION ASSEMBLY DESIGN - TRUCK AND BUS
    CSA C22.2 No. 61010.1 : 2012 : INC : UPD 1 :2015 SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE - PART 1: GENERAL REQUIREMENTS
    API 14FZ : 2013 RECOMMENDED PRACTICE FOR DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, ZONE 0, ZONE 1, AND ZONE 2 LOCATIONS
    CSA C22.2 No. 61010.1 : 2012 : INC : UPD 2 : 2016 SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE - PART 1: GENERAL REQUIREMENTS
    API 14F REDLINE : 2008 DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS
    CSA C22.2 No. 178.1 : 2014 TRANSFER SWITCH EQUIPMENT
    API 14F:2008 DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS
    API 14F : 2008 : R2013 DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    NFPA 731 : 2017 INSTALLATION OF ELECTRONIC PREMISES SECURITY SYSTEMS
    SAE J 1772 : 2017 SAE ELECTRIC VEHICLE AND PLUG IN HYBRID ELECTRIC VEHICLE CONDUCTIVE CHARGE COUPLER
    UL 498 : 16ED 2017 ATTACHMENT PLUGS AND RECEPTACLES
    UL 429 : 7ED 2013 ELECTRICALLY OPERATED VALVES
    UL 508A:3ED 2018-04 Industrial Control Panels
    NFPA 70 HDBK : 2017 NATIONAL ELECTRICAL CODE HANDBOOK
    UL 79 : 2016 POWER-OPERATED PUMPS FOR PETROLEUM DISPENSING PRODUCTS
    UL 1203 : 5 EXPLOSION-PROOF AND DUST-IGNITION-PROOF ELECTRICAL EQUIPMENT FOR USE IN HAZARDOUS (CLASSIFIED) LOCATIONS
    NFPA 79 : 2018 ELECTRICAL STANDARD FOR INDUSTRIAL MACHINERY
    CSA C22.2 No. 62368-1 : 2014 AUDIO/VIDEO, INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT - PART 1: SAFETY REQUIREMENTS
    NFPA 20 HDBK : 2016 STATIONARY FIRE PUMPS HANDBOOK
    UL 2225 : 4 CABLES AND CABLE-FITTINGS FOR USE IN HAZARDOUS (CLASSIFIED) LOCATIONS
    UL 514C : 4 NONMETALLIC OUTLET BOXES, FLUSH-DEVICE BOXES, AND COVERS
    CSA C22.2 No. 168 : 2016 COMMERCIAL DISHWASHERS
    DIN EN ISO 23553-1:2014-09 Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2014); German version EN ISO 23553-1:2014
    IEEE C37.20.3 : 2013 METAL-ENCLOSED INTERRUPTER SWITCHGEAR (1 KV-38 KV)
    IEEE 1818 : 2017 GUIDE FOR THE DESIGN OF LOW-VOLTAGE AUXILIARY SYSTEMS FOR ELECTRIC POWER SUBSTATIONS
    IEEE 2030.1.1 : 2015 TECHNICAL SPECIFICATIONS OF A DC QUICK CHARGER FOR USE WITH ELECTRIC VEHICLES
    IEEE C62.72 : 2007 APPLICATION OF SURGE-PROTECTIVE DEVICES FOR USE ON THE LOAD SIDE OF SERVICE EQUIPMENT IN LOW-VOLTAGE (1000 V OR LESS, 50 HZ OR 60 HZ) AC POWER CIRCUITS
    10/30215301 DC : 0 ISO 23551-1 - SAFETY AND CONTROL DEVICES FOR GAS BURNERS AND GAS-BURNING APPLIANCES - PARTICULAR REQUIREMENTS - PART 1: AUTOMATIC AND SEMI-AUTOMATIC VALVES
    UL 710 : 6 EXHAUST HOODS FOR COMMERCIAL COOKING EQUIPMENT
    BS EN ISO 23553-1:2014 Safety and control devices for oil burners and oil-burning appliances. Particular requirements Automatic and semi-automatic valves
    UL 121201 : 9ED 2017 NONINCENDIVE ELECTRICAL EQUIPMENT FOR USE IN CLASS 1 AND 2, DIVISION 2 AND CLASS 3, DIVISIONS 1 AND 2 HAZARDOUS (CLASSIFIED) LOCATIONS
    UL 2238 : 2 CABLE ASSEMBLIES AND FITTINGS FOR INDUSTRIAL CONTROL AND SIGNAL DISTRIBUTION
    ISO 23553-1:2014 Safety and control devices for oil burners and oil-burning appliances Particular requirements Part 1: Automatic and semi-automatic valves
    12/30250105 DC : 0 BS ISO 23553-1 - SAFETY AND CONTROL DEVICES FOR OIL BURNERS AND OIL BURNING APPLIANCES - PARTICULAR REQUIREMENTS - PART 1: AUTOMATIC AND SEMI-AUTOMATIC VALVES (ISO/DIS 23553-1:2012)
    UL 514D : 2 COVER PLATES FOR FLUSH-MOUNTED WIRING DEVICES
    UL 20 : 2013 GENERAL-USE SNAP SWITCHES
    UL 508 :18ED 2018 INDUSTRIAL CONTROL EQUIPMENT
    UL 827 : 8 CENTRAL-STATION ALARM SERVICES
    UL 1008A : 2 TRANSFER SWITCH EQUIPMENT, OVER 1000 VOLTS
    UL 3703 : 3 SOLAR TRACKERS
    UL 1773 : 5 TERMINATION BOXES
    UL 746C:7ED 2018-02 Polymeric Materials - Use in Electrical Equipment Evaluations
    UNE-EN ISO 23553-1:2014 Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2014)
    CSA C22.2 No. 144.1 : 2016 GROUND-FAULT CIRCUIT-INTERRUPTERS
    UL 1681 : 4 WIRING DEVICE CONFIGURATIONS
    CSA C22.2 No. 66.1 : 2006 : INC : UPD 2 : 2013 : R201100 LOW VOLTAGE TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    UL 1740 : 4 ROBOTS AND ROBOTIC EQUIPMENT
    UL 1897 : 7 UPLIFT TESTS FOR ROOF COVERING SYSTEMS
    UL 506 : 2014 SPECIALITY TRANSFORMERS
    UL 979 : 2 WATER TREATMENT APPLIANCES
    UL 1699B : 2 PHOTOVOLTAIC (PV) DC ARC-FAULT CIRCUIT PROTECTION
    UL 854 : 2004 SERVICE-ENTRANCE CABLES
    UL 183 : 4 MANUFACTURED WIRING SYSTEMS
    UL 1004-1 : 2 ROTATING ELECTRICAL MACHINES - GENERAL REQUIREMENTS
    UL 1682 : 5 PLUGS, RECEPTACLES, AND CABLE CONNECTORS OF THE PIN AND SLEEVE TYPE
    CSA C22.2 No. 60950-1 :2007 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    UL 2265A : 2 UL LLC Outline of Investigation for Micro Fuel Cell Power Systems Using Direct Methanol Fuel Cell Technology
    UL 1310 : 7 CLASS 2 POWER UNITS
    UL 458 : 6 POWER CONVERTERS/INVERTERS AND POWER CONVERTER/INVERTER SYSTEMS FOR LAND VEHICLES AND MARINE CRAFTS
    CSA C22.2 No. 60950-1 : 2007 : INC : AMD 1 : 2011 : R2012 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    UL 921 : 7 COMMERCIAL DISHWASHERS
    UL 2017 : 2 GENERAL-PURPOSE SIGNALING DEVICES AND SYSTEMS
    UL 486D : 6 Sealed Wire Connector Systems
    UL 2208 : 3ED 2010 SOLVENT DISTILLATION UNITS
    CSA C22.2 No. 94.1 : 2015 ENCLOSURES FOR ELECTRICAL EQUIPMENT, NON-ENVIRONMENTAL CONSIDERATIONS
    UL 1699 : 3ED 2017 ARC-FAULT CIRCUIT-INTERRUPTERS
    UL 1286 : 5 OFFICE FURNISHINGS
    CSA C22.2 No. 60335-1:2011 SAFETY OF HOUSEHOLD AND SIMILAR APPLIANCES - PART 1: GENERAL REQUIREMENTS
    UL 2075 : 2 GAS AND VAPOR DETECTORS AND SENSORS
    UL 1419 : 4 PROFESSIONAL VIDEO AND AUDIO EQUIPMENT
    CSA C22.2 No. 66.1 : 2006 : INC : UPD 1 : 2012 : R201100 LOW VOLTAGE TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    UL 60730-2-2 : 2 AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE; PART 2: PARTICULAR REQUIREMENTS FOR THERMAL MOTOR PROTECTORS
    CSA C22.2 No. 94.2 : 2015 ENCLOSURES FOR ELECTRICAL EQUIPMENT, ENVIRONMENTAL CONSIDERATIONS
    UL 844 : 2013 LUMINAIRES FOR USE IN HAZARDOUS (CLASSIFIED) LOCATIONS
    UL 977 : 5 FUSED POWER-CIRCUIT DEVICES
    CSA C22 NO. 4 : 2016 ENCLOSED AND DEAD-FRONT SWITCHES
    UL 60065 : 8 AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS
    UL 122 : 5 PHOTOGRAPHIC EQUIPMENT
    UL 98 : 2016 ENCLOSED AND DEAD-FRONT SWITCHES
    UL 894 : 7 SWITCHES FOR USE IN HAZARDOUS (CLASSIFIED) LOCATIONS
    UL 913 : 8 INTRINSICALLY SAFE APPARATUS AND ASSOCIATED APPARATUS FOR USE IN CLASS 1, 2, 3, DIVISION 1, HAZARDOUS (CLASSIFIED) LOCATIONS
    UL 1480 : 6 SPEAKERS FOR FIRE ALARM AND SIGNALING SYSTEMS, INCLUDING ACCESSORIES
    UL 2231-1 : 2 Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits; Part 1: General Requirements
    UL 5085-1 : 1 LOW VOLTAGE TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    UL 943 : 5 GROUND-FAULT CIRCUIT-INTERRUPTERS
    UL 1047 : 6 Standard for Isolated Power Systems Equipment
    UL 499 : 2014 ELECTRIC HEATING APPLIANCES
    UL 1778 : 5ED 2014-06 UNINTERRUPTIBLE POWER SYSTEMS
    UL 3730 : 2 PHOTOVOLTAIC JUNCTION BOXES
    CSA C22.2 No. 60950-1 : 2007 : INC : AMD 2 : 2014 : R201200 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 66.1 : 2006 : R2011 LOW VOLTAGE TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    UL 857 : 2013 BUSWAYS
    UL 514A:11ED 2013-02 Metallic Outlet Boxes
    CSA C22.2 No. 60950-1 : 2007 : R2012 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    UL 2788 : 1 INDUSTRIAL AND COMMERCIAL VIBRATORS
    UL 1951 : 2 ELECTRIC PLUMBING ACCESSORIES
    UL 60079-5 : 4 Explosive Atmospheres - Part 5: Equipment protection by powder filling
    CSA C22.2 No. 60950-1 : 2007 : INC : UPD 1 : 2011 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    UL 778 : 6 MOTOR-OPERATED WATER PUMPS
    UL 50E : 2 ENCLOSURES FOR ELECTRICAL EQUIPMENT, ENVIRONMENTAL CONSIDERATIONS
    UL 823 : 9 ELECTRIC HEATERS FOR USE IN HAZARDOUS (CLASSIFIED) LOCATIONS
    UL 2572 : 2 MASS NOTIFICATION SYSTEMS
    UL 2594 : 3 ELECTRIC VEHICLE SUPPLY EQUIPMENT
    UL 1561 : 4 DRY-TYPE GENERAL PURPOSE AND POWER TRANSFORMERS
    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 781 : 7 PORTABLE ELECTRIC LIGHTING UNITS FOR USE IN HAZARDOUS (CLASSIFIED) LOCATIONS
    CSA C22.2 No. 60950-1 : 2007 : INC : AMD 2 : 2014 : R2016 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    UL 2735 : 2 ELECTRIC UTILITY METERS
    UL 5085-2 : 1 LOW VOLTAGE TRANSFORMERS - PART 2: GENERAL PURPOSE TRANSFORMERS
    UL 60335-1 : 6ED 2016-10 SAFETY OF HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 66.1 : 2006 LOW VOLTAGE TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    UL 2044 : 3 COMMERCIAL CLOSED-CIRCUIT TELEVISION EQUIPMENT
    UL 1449 : 4 SURGE PROTECTIVE DEVICES
    CSA C22.2 No. 66.1 : 2006 : R2015 LOW VOLTAGE TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    UL 67 : 2009 PANELBOARDS
    UL 1008 : 8 TRANSFER SWITCH EQUIPMENT
    UL 347 : 6 MEDIUM-VOLTAGE AC CONTACTORS, CONTROLLERS, AND CONTROL CENTRES
    UL 514B : 6 CONDUIT, TUBING, AND CABLE FITTINGS
    UL 111 : 5 MULTIOUTLET ASSEMBLIES
    UL 489 : 2013 MOLDED-CASE CIRCUIT BREAKERS, MOLDED-CASE SWITCHES, AND CIRCUIT-BREAKER ENCLOSURES
    UL 1640 : 4 PORTABLE POWER-DISTRIBUTION EQUIPMENT
    UL 864 : 2018 CONTROL UNITS AND ACCESSORIES FOR FIRE ALARM SYSTEMS
    UL 1004A : 1ED REV JAN 2006 FIRE PUMP MOTORS
    UL 2416 : 2 AUDIO/VIDEO, INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT CABINET, ENCLOSURE AND RACK SYSTEMS
    UL 1917 : 4 SOLID-STATE FAN SPEED CONTROLS
    UL 1453 : 6 ELECTRIC BOOSTER AND COMMERCIAL STORAGE TANK WATER HEATERS
    UL 698 : 2013 INDUSTRIAL CONTROL EQUIPMENT FOR USE IN HAZARDOUS (CLASSIFIED) LOCATIONS
    UL 867 : 5 ELECTROSTATIC AIR CLEANERS
    UL 1238 : 6 CONTROL EQUIPMENT FOR USE WITH FLAMMABLE LIQUID DISPENSING DEVICES
    UL 810 : 5 CAPACITORS
    UL 60730-1 : 5ED 2016-08 AUTOMATIC ELECTRICAL CONTROLS - PART 1: GENERAL REQUIREMENTS
    UL 60950-1 : 2 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 111 : 2010 : R2015 GENERAL-USE SNAP SWITCHES
    CSA C22.2 No.111 : 2010 GENERAL-USE SNAP SWITCHES
    CSA C22.2 No. 111 : 2010 : INC : UPD 1 : 2012 GENERAL-USE SNAP SWITCHES
    NFPA 79 HDBK : 2015 Electrical Standard for Industrial Machinery Handbook
    CSA C22.2 No. 253 : 2016 MEDIUM-VOLTAGE AC CONTACTORS, CONTROLLERS, AND CONTROL CENTRES
    EN ISO 23553-1:2014 SAFETY AND CONTROL DEVICES FOR OIL BURNERS AND OIL-BURNING APPLIANCES - PARTICULAR REQUIREMENTS - PART 1: AUTOMATIC AND SEMI-AUTOMATIC VALVES (ISO 23553-1:2014)
    UNI EN ISO 23553-1 : 2014 SAFETY AND CONTROL DEVICES FOR OIL BURNERS AND OIL-BURNING APPLIANCES - PARTICULAR REQUIREMENTS - PART 1: AUTOMATIC AND SEMI-AUTOMATIC VALVES

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

    ASTM B 555 : 1986 : R2018 Standard Guide for Measurement of Electrodeposited Metallic Coating Thicknesses by Dropping Test
    UL 50E : 2 ENCLOSURES FOR ELECTRICAL EQUIPMENT, ENVIRONMENTAL CONSIDERATIONS
    UL 514A:11ED 2013-02 Metallic Outlet Boxes
    UL 1439 : 5 TESTS FOR SHARPNESS OF EDGES ON EQUIPMENT
    UL 94 : 6 TESTS FOR FLAMMABILITY OF PLASTIC MATERIALS FOR PARTS IN DEVICES AND APPLIANCES
    CSA C22.2 No. 0.4 : 2004(R2013) BONDING OF ELECTRICAL EQUIPMENT
    CSA C22.2 No. 0.5 : 2016 THREADED CONDUIT ENTRIES
    UL 746C : 6 POLYMERIC MATERIALS - USE IN ELECTRICAL EQUIPMENT EVALUATIONS
    UL 1241 : 7 JUNCTION BOXES FOR SWIMMING POOL LUMINAIRES
    UL 969 : 5 MARKING AND LABELING SYSTEMS
    UL 514C : 4 NONMETALLIC OUTLET BOXES, FLUSH-DEVICE BOXES, AND COVERS
    UL 514B : 6 CONDUIT, TUBING, AND CABLE FITTINGS
    CSA C22.2 No. 14 : 2013 INDUSTRIAL CONTROL EQUIPMENT
    CSA C22.2 No. 89 : 2015 SWIMMING-POOL LUMINAIRES, SUBMERSIBLE LUMINAIRES, AND ACCESSORIES
    UL 467 : 2013 GROUNDING AND BONDING EQUIPMENT
    CSA C22.2 No. 94.2 : 2015 ENCLOSURES FOR ELECTRICAL EQUIPMENT, ENVIRONMENTAL CONSIDERATIONS
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