Standard 1203, Edition 6
UL 1203

ExplosionProof and Dust-IgnitionProof Electrical Equipment for Use in Hazardous (Classified) Locations

UL Standard Edition 6 Published Date: July 10, 2023 Last Revision: October 05, 2023 ANSI Approved: July 10, 2023

$505.00-$1,258.00

Revisions and Related Documents

Revisions
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Date      
October 05, 2023 Redline Revision
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February 02, 2024
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Referenced Standards (0)

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Reverse Referenced Standards (34)

UL 1203 is referenced in the following list of UL Standards

StandardEditionTitle
20 14 General-Use Snap Switches
495 5 Power-Operated LP-Gas Dispensing Equipment
498B 1 Receptacles with Integral Switching Means
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
515 2 Standard for Electrical Resistance Trace Heating for Commercial Applications
583 11 Electric-Battery-Powered Industrial Trucks
674 6 Electric Motors and Generators for Use in Hazardous (Classified) Locations
823 9 Electric Heaters For Use In Hazardous (Classified) Locations
844 13 Luminaires for Use in Hazardous (Classified) Locations
913 8 Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, and III, Division 1, Hazardous (Classified) Locations
1238 7 Control Equipment for Use with Flammable Liquid and LP-Gas Dispensing Devices
1254 6 Pre-Engineered and Engineered Dry and Pre-Engineered Wet Chemical Extinguishing System Units
1254 6 Pre-Engineered and Engineered Dry and Pre-Engineered Wet Chemical Extinguishing System Units
1349 1 LP-Gas Vaporizers
1349 1 LP-Gas Vaporizers
1362 2 Outline of Investigation for Gas Boosters
1389 1 Plant Oil Extraction Equipment for Installation and Use in Ordinary (Unclassified) Locations and Hazardous (Classified) Locations
1389 1 Plant Oil Extraction Equipment for Installation and Use in Ordinary (Unclassified) Locations and Hazardous (Classified) Locations
1480A 1 Speakers for Commercial and Professional Use
1691 2 Single Pole Locking-Type Separable Connectors
1740 4 Robots and Robotic Equipment
1836 6 Outline of Investigation for Electric Motors and Generators for Use in Class I, Division 2, Class I, Zone 2, Class II, Division 2 and Zone 22 Hazardous (Classified) Locations
2208 3 Standard for Solvent Distillation Units
2225 5 Cables and Cable-Fittings For Use In Hazardous (Classified) Locations
2251 4 Plugs, Receptacles, and Couplers for Electric Vehicles
2583 1 ANSI/CAN/UL/ULC Fuel Tank Accessories for Flammable and Combustible Liquids
2583 1 Fuel Tank Accessories for Flammable and Combustible Liquids
2594 3 Electric Vehicle Supply Equipment
2734 4 Connectors and Service Plugs for Use with On-Board Electrical Vehicle (EV) Charging Systems
8521 2 Outline of Investigation for Aboveground Container Refueling Systems for LP-Gas
62986 1 Plugs, Socket-Outlets and Couplers with Arcuate Contacts
122001 1 General Requirements for Electrical Ignition Systems for Internal Combustion Engines in Class I, Division 2 or Zone 2, Hazardous (Classified) Locations
122701 4 Requirements for Process Sealing Between Electrical Systems and Flammable or Combustible Process Fluids
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