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Standard 50E, Edition 3

Enclosures for Electrical Equipment, Environmental Considerations

UL Standard
Standard 50E, Edition 3 Edition Date: October 15, 2020 ANSI Approved: October 15, 2020 $505.00-$1,258.00

Revisions and Related Documents

Revisions
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Proposals (1)

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CSDS Proposals

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June 17, 2022
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Technical Guidance   
December 07, 2020
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Referenced Standards (0)

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Reverse Referenced Standards (64)

UL 50E is referenced in the following list of UL Standards

StandardEditionTitle
183 4 Manufactured Wiring Systems
218 3 Fire Pump Controllers
231 10 Power Outlets
347 7 Medium-Voltage AC Contactors, Controllers, and Control Centers
347A 2 Medium Voltage Power Conversion Equipment
464A 1 Audible Signal Appliances for General Signaling Use
489B 1 Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures for Use with Photovoltaic (PV) Systems
498A 2 Current Taps and Adapters
498E 1 Attachment Plugs, Cord Connectors and Receptacles - Enclosure Types for Environmental Protection
514A 11 Metallic Outlet Boxes
870 9 Standard for Wireways, Auxiliary Gutters, and Associated Fittings
1008 9 Transfer Switch Equipment
1203 5 ExplosionProof and Dust-IgnitionProof Electrical Equipment for Use in Hazardous (Classified) Locations
1236 8 Battery Chargers for Charging Engine-Starter Batteries
1283 7 Electromagnetic Interference Filters
1366 2 Outline of Investigation for Insulated Bus Pipe
1386 1 Outline of Investigation for Flexible Bus Systems
1480A 1 Speakers for Commercial and Professional Use
1564 4 Industrial Battery Chargers
1640 4 Portable Power-Distribution Equipment
1682 5 Plugs, Receptacles, and Cable Connectors of the Pin and Sleeve Type
1691 2 Single Pole Locking-Type Separable Connectors
1699 3 Arc-Fault Circuit-Interrupters
1699B 1 Photovoltaic (PV) DC Arc-Fault Circuit Protection
1773 6 Standard for Personal Termination Boxes
1917 5 Solid-State Fan Speed Controls
1973 3 ANSI/CAN/UL Batteries for Use in Stationary and Motive Auxiliary Power Applications
2200 3 Stationary Engine Generator Assemblies
2200 3 Stationary Engine Generator Assemblies
2237 1 Multi-Point Interconnection Power Cable Assemblies for Industrial Machinery
2238 3 Cable Assemblies and Fittings for Industrial Control and Signal Distribution
2264A 2 Outline of Investigation for Water Electrolysis Type Hydrogen Generators
2271 2 ANSI/CAN/UL/ULC Standard for Batteries for Use In Light Electric Vehicle (LEV) Applications
2361 2 Outline of Investigation for Custom-Built Kiosks
2416 1 Audio/Video, Information and Communication Technology Equipment Cabinet, Enclosure and Rack Systems
2572 2 Standard for Mass Notification Systems
2580 3 Batteries for Use In Electric Vehicles
2580 3 Batteries for Use In Electric Vehicles
2734 4 Connectors and Service Plugs for Use with On-Board Electrical Vehicle (EV) Charging Systems
2735 1 Standard for Electric Utility Meters
2748 1 Arcing Fault Quenching Equipment
2808 1 ANSI/CAN/UL Energy Monitoring Equipment
2849 1 Electrical Systems for eBikes
2850 1 Outline of Investigation for Electric Scooters and Motorcycles
2877 4 Outline for Investigation for Power Supplies, Medium Voltage
5840 1 Electrical Systems of Battery Powered Aviation Ground Support Equipment
6141 1 Wind Turbines Permitting Entry of Personnel
8139 1 Electrical Systems of Electronic Cigarettes and Vaping Devices
8801 1 Photovoltaic (PV) Luminaire Systems
9691 1 Recommended Practice for Nameplates for Use in Electrical Installations
5085-1 1 Low Voltage Transformers - Part 1: General Requirements
5085-2 2 Low Voltage Transformers - Part 2: General Purpose Transformers
62091 1 Low-Voltage Switchgear and Controlgear - Controllers for Drivers of Stationary Fire Pumps
121201 9 Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations
60079-0 7 Standard for Explosive Atmospheres - Part 0: Equipment - General Requirements
60730-1 5 Automatic Electrical Controls - 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
60947-1 6 Low-Voltage Switchgear and Controlgear - Part 1: General Rules
60950-1 2 Information Technology Equipment - Safety - Part 1: General Requirements
62368-1 3 Audio/Video, Information and Communication Technology Equipment - Part 1: Safety Requirements
60947-5-1 4 Low-Voltage Switchgear and Controlgear - Part 5-1: Control Circuit Devices and Switching Elements - Electromechanical Control Circuit Devices
60947-5-2 4 Low-Voltage Switchgear and Controlgear - Part 5-2: Control Circuit Devices and Switching Elements - Proximity Switches
61800-5-2 2 Adjustable Speed Electrical Power Drive Systems - Part 5-2: Safety Requirements - Functional
60335-2-89 2 Household and Similar Electrical Appliances - Safety - Part 2-89: Particular Requirements for Commercial Refrigerating Appliances and Ice-Makers with an Incorporated or Remote Refrigerant Unit or Motor-Compressor
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