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Standard 20, Edition 14

General-Use Snap Switches

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Standard 20, Edition 14 Edition Date: July 20, 2018 DOD Approved: December 04, 1981 ANSI Approved: July 20, 2018 $505.00-$1,258.00

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Referenced Standards (14)

Reverse Referenced Standards (142)

UL 20 is referenced in the following list of UL Standards

StandardEditionTitle
5 15 Surface Metal Raceways and Fittings
5A 4 Nonmetallic Surface Raceways and Fittings
5B 2 Standard for Strut-Type Channel Raceways and Fittings
22 6 Standard for Amusement and Gaming Machines
73 10 Standard for Motor-Operated Appliances
82 9 Standard for Electric Gardening Appliances
111 6 Outline of Investigation for Multioutlet Assemblies
130 13 Standard for Electric Heating Pads
183 4 Manufactured Wiring Systems
234 5 Standard for Low Voltage Lighting Fixtures for Use in Recreational Vehicles
268 7 Smoke Detectors for Fire Alarm Systems
268A 4 Smoke Detectors for Duct Application
268C 1 Outline of Investigation for Multi-Detector Test Apparatus
283 3 Standard for Air Fresheners and Deodorizers
291 6 Standard for Automated Teller Systems
295 2 Standard for Commercial-Industrial Gas Burners
296A 3 Standard for Waste Oil-Burning Air-Heating Appliances
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
325 7 ANSI/CAN/UL Standard for Door, Drapery, Gate, Louver, and Window Operators and Systems
343 9 Standard for Pumps for Oil-Burning Appliances
353 5 Standard for Limit Controls
355 10 Cord Reels
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
399 8 Drinking Water Coolers
412 5 Standard for Refrigeration Unit Coolers
416 4 Standard for Refrigerated Medical Equipment
427 5 Standard for Refrigerating Units
430 8 Standard for Waste Disposers
462 3 Standard for Heat Reclaimers for Gas-, Oil-, or Solid Fuel-Fired Appliances
464 10 Audible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories
466 8 Standard for Electric Scales
469 4 Standard for Musical Instruments and Accessories
471 10 Standard for Commercial Refrigerators and Freezers
484 9 Standard for Room Air Conditioners
498D 1 Attachment Plugs, Cord Connectors and Receptacles with Arcuate (Locking Type) Contacts
498F 1 Plugs, Socket-Outlets and Couplers with Arcuate (Locking Type) Contacts
499 14 Standard for Electric Heating Appliances
506 14 Standard for Specialty Transformers
507 10 Standard for Electric Fans
541 9 Refrigerated Vending Machines
551 8 Standard for Transformer-Type Arc-Welding Machines
561 7 Standard for Floor-Finishing Machines
603 5 Standard for Power Supplies for Use with Burglar-Alarm Systems
609 12 Standard for Local Burglar Alarm Units and Systems
621 7 Ice Cream Makers
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
680 8 Standard for Emergency Vault Ventilators and Vault-Ventilating Ports
710 6 Standard for Exhaust Hoods for Commercial Cooking Equipment
710C 3 Outline of Investigation for Ultraviolet Radiation Systems for Use in the Ventilation Control of Commercial Cooking Operations
726 7 Standard for Oil-Fired Boiler Assemblies
727 10 Standard for Oil-Fired Central Furnaces
729 6 Standard for Oil-Fired Floor Furnaces
730 5 Standard for Oil-Fired Wall Furnaces
731 6 Standard for Oil-Fired Unit Heaters
732 6 Standard for Oil-Fired Storage Tank Water Heaters
733 5 Standard for Oil-Fired Air Heaters and Oil-Fired Direct-Fired Heaters
746C 7 Standard for Polymeric Materials - Use in Electrical Equipment Evaluations
749 11 Household Dishwashers
756 8 Standard for Coin and Currency Changers and Actuators
763 5 Standard for Motor-Operated Commercial Food Preparing Machines
771 9 Night Depositories
775 3 Standard for Graphic Arts Equipment
795 8 Commercial-Industrial Gas Heating Equipment
813 7 Standard for Commercial Audio Equipment
834 5 Standard for Heating, Water Supply, and Power Boilers - Electric
864 10 Standard for Control Units and Accessories for Fire Alarm Systems
867 5 Standard for Electrostatic Air Cleaners
873 12 Standard for Temperature-Indicating and -Regulating Equipment
891 12 Standard for Switchboards
907 4 Standard for Fireplace Accessories
913 8 Standard for Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, and III, Division 1, Hazardous (Classified) Locations
921 8 Standard for Commercial Dishwashers
935 10 Standard for Fluorescent-Lamp Ballasts
961 5 Standard for Electric Hobby and Sports Equipment
962 4 Standard for Household and Commercial Furnishings
963 4 Standard for Sealing, Wrapping, and Marking Equipment
964 12 Electrically Heated Bedding
979 2 Standard for Water Treatment Appliances
987 8 Standard for Stationary and Fixed Electric Tools
1017 10 Vacuum Cleaners, Blower Cleaners, and Household Floor Finishing Machines
1023 7 Standard for Household Burglar-Alarm System Units
1047 6 Standard for Isolated Power Systems Equipment
1083 6 Household Electric Skillets and Frying-Type Appliances
1086 6 Standard for Household Trash Compactors
1090 7 Standard for Electric Snow Movers
1149 2 Standard for Low Voltage Marine Lighting Fixtures
1240 4 Standard for Electric Commercial Clothes-Drying Equipment
1363 5 Standard for Relocatable Power Taps
1447 6 Standard for Electric Lawn Mowers
1450 4 Standard for Motor-Operated Air Compressors, Vacuum Pumps, and Painting Equipment
1453 6 Standard for Electric Booster and Commercial Storage Tank Water Heaters
1480 6 Speakers for Fire Alarm and Signaling Systems, Including Accessories
1482 7 Standard for Solid-Fuel Type Room Heaters
1559 5 Standard for Insect-Control Equipment - Electrocution Type
1567 5 Standard for Receptacles and Switches Intended for Use with Aluminum Wire
1573 4 Standard for Stage and Studio Luminaires and Connector Strips
1574 3 Standard for Track Lighting Systems
1576 1 Flashlights and Lanterns
1594 4 Standard for Sewing and Cutting Machines
1598 4 Luminaires
1598A 1 Supplemental Requirements for Luminaires for Installation on Marine Vessels
1598C 1 Standard for Light-Emitting Diode (LED) Retrofit Luminaire Conversion Kits
1640 4 Standard for Portable Power-Distribution Equipment
1681 4 Standard for Wiring Device Configurations
1682 5 Plugs, Receptacles, and Cable Connectors of the Pin and Sleeve Type
1699 3 Arc-Fault Circuit-Interrupters
1776 3 Standard for High-Pressure Cleaning Machines
1778 5 Uninterruptible Power Systems
1786 4 Direct Plug-In Nightlights
1795 5 Standard for Hydromassage Bathtubs
1812 4 Standard for Ducted Heat Recovery Ventilators
1815 5 Standard for Nonducted Heat Recovery Ventilators
1889 1 Standard for Commercial Filters for Cooking Oil
1917 4 Standard for Solid-State Fan Speed Controls
1951 2 Electric Plumbing Accessories
1971 3 Standard for Signaling Devices for the Hearing Impaired
1995 5 Heating and Cooling Equipment
2006 5 Standard for Halon 1211 Recovery/Recharge Equipment
2034 4 Standard for Single and Multiple Station Carbon Monoxide Alarms
2096 3 Standard for Commercial/Industrial Gas and/or Oil-Burning Assemblies With Emission Reduction Equipment
2106 2 Standard for Field Erected Boiler Assemblies
2108 2 Standard for Low Voltage Lighting Systems
2157 4 Electric Clothes Washing Machines and Extractors
2200 3 ANSI/CAN/UL/ULC Stationary Engine Generator Assemblies
2200 3 Stationary Engine Generator Assemblies
2202 2 Standard for Electric Vehicle (EV) Charging System Equipment
2344 2 Standard for Material Lifts
2572 2 Standard for Mass Notification Systems
2594 2 Standard for Electric Vehicle Supply Equipment
2753 2 Outline of Investigation for Battery Operated Ride-On Lawn Mowers
3703 1 Standard for Solar Trackers
745-1 2 Portable Electric Tools
60079-0 7 Standard for Explosive Atmospheres - Part 0: Equipment - General Requirements
60335-1 6 Safety of Household and Similar Appliances, Part 1: General Requirements
60950-1 2 Information Technology Equipment - Safety - Part 1: General Requirements
61010-1 3 Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use - Part 1: General Requirements
61010a-1 3 Standard for Electrical Equipment for Laboratory Use; Part 1: General Requirements
61058-1 5 Switches for Appliances - Part 1: General Requirements
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