Standard 224, Edition 7
UL 224

Extruded Insulating Tubing

UL Standard Edition 7 Published Date: May 05, 2021 ANSI Approved: May 05, 2021

$505.00-$1,258.00

Revisions and Related Documents

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Proposals (2)

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October 16, 2020
March 29, 2019
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Referenced Standards (2)

Below is a list of UL Standards referenced in UL 224

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Reverse Referenced Standards (110)

UL 224 is referenced in the following list of UL Standards

StandardEditionTitle
48 15 Electric Signs
82 9 Electric Gardening Appliances
122 5 Standard for Photographic Equipment
130 13 Standard for Electric Heating Pads
197 10 Commercial Electric Cooking Appliances
218A 3 Battery Contactors for Use in Diesel Engines Driving Centrifugal Fire Pumps
234 5 Standard for Low Voltage Lighting Fixtures for Use in Recreational Vehicles
268A 4 Smoke Detectors for Duct Application
268C 1 Outline of Investigation for Multi-Detector Test Apparatus
295 2 Commercial-Industrial Gas Burners
296 11 Oil Burners
307A 9 Standard for Liquid Fuel-Burning Heating Appliances for Manufactured Homes and Recreational Vehicles
307B 5 Standard for Gas-Burning Heating Appliances For Manufactured Homes and Recreational Vehicles
353 5 Standard for Limit Controls
365 5 Standard for Police Station Connected Burglar Alarm Units and Systems
391 5 Standard for Solid-Fuel and Combination-Fuel Central and Supplementary Furnaces
414 9 Meter Sockets
427 5 Refrigerating Units
462 3 Standard for Heat Reclaimers for Gas-, Oil-, or Solid Fuel-Fired Appliances
464 11 Audible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories
464A 1 Audible Signal Appliances for General Signaling Use
471 10 Standard for Commercial Refrigerators and Freezers
482 9 Standard for Portable Sun/Heat Lamps
497A 3 Standard for Secondary Protectors for Communications Circuit
498B 1 Receptacles with Integral Switching Means
506 14 Specialty Transformers
525 5 Audible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories
539 8 Single and Multiple Station Heat Alarms
541 9 Refrigerated Vending Machines
541 5 Speakers for Fire Alarm and Signaling Systems, Including Accessories
551 8 Transformer-Type Arc-Welding Machines
563 8 Ice Makers
588 19 Seasonal and Holiday Decorative Products
589 1 STANDARD FOR SINGLE AND MULTIPLE STATION HEAT ALARMS
603 5 Standard for Power Supplies for Use with Burglar-Alarm Systems
609 12 Standard for Local Burglar Alarm Units and Systems
634 9 Standard for Connectors and Switches for Use with Burglar-Alarm Systems
636 11 Standard for Holdup Alarm Units and Systems
639 8 Standard for Intrusion-Detection Units
647 2 Standard for Unvented Kerosene-Fired Room Heaters and Portable Heaters
680 8 Emergency Vault Ventilators and Vault-Ventilating Ports
710C 3 Outline of Investigation for Ultraviolet Radiation Systems for Use in the Ventilation Control of Commercial Cooking Operations
726 7 Oil-Fired Boiler Assemblies
733 5 Standard for Oil-Fired Air Heaters and Oil-Fired Direct-Fired Heaters
749 12 Household Dishwashers
771 9 Night Depositories
775 3 Standard for Graphic Arts Equipment
810 6 Capacitors
834 5 Standard for Heating, Water Supply, and Power Boilers - Electric
858 16 Household Electric Ranges
867 5 Electrostatic Air Cleaners
875 9 Electric Dry-Bath Heaters
916 5 Energy Management Equipment
921 8 Standard for Commercial Dishwashers
924 10 Emergency Lighting and Power Equipment
943 5 Ground-Fault Circuit-Interrupters
961 5 Standard for Electric Hobby and Sports Equipment
963 4 Standard for Sealing, Wrapping, and Marking Equipment
964 12 Electrically Heated Bedding
977 5 Fused Power-Circuit Devices
987 8 Standard for Stationary and Fixed Electric Tools
998 6 Humidifiers
1008S 1 Solid-State Transfer Switches
1012 8 Power Units Other Than Class 2
1017 10 Vacuum Cleaners, Blower Cleaners, and Household Floor Finishing Machines
1023 7 Household Burglar-Alarm System Units
1037 6 Antitheft Alarms and Devices
1042 5 Electric Baseboard Heating Equipment
1047 6 Standard for Isolated Power Systems Equipment
1053 7 Ground-Fault Sensing and Relaying Equipment
1083 6 Household Electric Skillets and Frying-Type Appliances
1149 2 Standard for Low Voltage Marine Lighting Fixtures
1230 5 Standard for Amateur Movie Lights
1279 2 Outline of Investigation for Solar Collectors
1283 7 Electromagnetic Interference Filters
1323 4 Scaffold Hoists
1434A 1 Outline of Investigation for Thermistor-Type Devices for Use in Electric Vehicles
1447 6 Standard for Electric Lawn Mowers
1480 7 Speakers for Fire Alarm and Signaling Systems, Including Accessories
1484 5 Residential Gas Detectors
1561 4 Dry-Type General Purpose and Power Transformers
1564 5 Standard for Industrial Battery Chargers
1576 2 Flashlights and Lanterns
1598A 1 Supplemental Requirements for Luminaires for Installation on Marine Vessels
1683 2 Outline of Investigation for Electric Heating Products For Installation Under Floor Coverings
1703 3 Standard for Flat-Plate Photovoltaic Modules and Panels
1773 6 Standard for Personal Termination Boxes
1863 4 Standard for Communications-Circuit Accessories
1876 4 Isolating Signal and Feedback Transformers for Use in Electronic Equipment
2021 4 Fixed and Location-Dedicated Electric Room Heaters
2058 1 Outline of Investigation for High-Security Electronic Locks
2096 3 Standard for Commercial/Industrial Gas and/or Oil-Burning Assemblies With Emission Reduction Equipment
2106 2 Standard for Field Erected Boiler Assemblies
2157 4 Electric Clothes Washing Machines and Extractors
2158 6 Electric Clothes Dryers
2202 3 DC Charging Equipment for Electric Vehicles
2237 1 Multi-Point Interconnection Power Cable Assemblies for Industrial Machinery
2344 2 Material Lifts
2594 3 Electric Vehicle Supply Equipment
2750 1 Wireless Power Transfer Equipment for Electric Vehicles
2753 2 Outline of Investigation for Battery Operated Ride-On Lawn Mowers
6500 2 Standard for Audio/Video and Musical Instrument Apparatus for Household, Commercial, and Similar General Use
745-1 2 Portable Electric Tools
9703 3 Outline of Investigation for Distributed Generation Wiring Harnesses
9741 1 Electric Vehicle Power Export Equipment (EVPE)
60065 8 Standard for Audio, Video and Similar Electronic Apparatus - Safety Requirements
60335-1 6 Standard for Safety of Household and Similar Appliances, Part 1: General Requirements
60939-3 1 Passive Filter Units for Electromagnetic Interference Suppression - Part 3: Passive Filter Units for Which Safety Tests are Appropriate
61010a-1 3 Standard for Electrical Equipment for Laboratory Use; Part 1: General Requirements
60335-2-24 3 Household and Similar Electrical Appliances - Safety - Part 2-24: Particular Requirements for Refrigerating Appliances, Ice-Cream Appliances and Ice-Makers
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