Standard 50E, Edition 3
UL 50E

Enclosures for Electrical Equipment, Environmental Considerations

UL Standard Edition 3 Published Date: October 15, 2020 ANSI Approved: October 15, 2020

$505.00-$1,258.00

Revisions and Related Documents

Revisions
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CSDS
Proposals (4)

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CSDS Proposals

An electronic document associated with a UL Standard for Safety or Outline of Investigation, and issued by UL to propose:

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  • A complete new edition of an existing Standard or Outline.
  • A new Standard or Outline that has not previously been published.

CSDS Proposals provide access to view the proposal and submit comments within UL's Collaborative Standards Development System (CSDS) appropriately.

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February 09, 2024
June 23, 2023
December 16, 2022
June 17, 2022
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Other Updates (1)

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Technical Guidance   
December 07, 2020
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Referenced Standards (0)

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Reverse Referenced Standards (76)

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

StandardEditionTitle
20 14 General-Use Snap Switches
50V 3 Outline of Investigation for Infrared Viewports
183 4 Manufactured Wiring Systems
218 3 Fire Pump Controllers
231 10 Power Outlets
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
514D 2 Cover Plates for Flush-Mounted Wiring Devices
810 6 Capacitors
870 9 Wireways, Auxiliary Gutters, and Associated Fittings
943 5 Ground-Fault Circuit-Interrupters
1008 9 Transfer Switch Equipment
1008A 2 Transfer Switch Equipment, Over 1000 Volts
1008S 1 Solid-State Transfer Switches
1236 8 Battery Chargers for Charging Engine-Starter Batteries
1247 6 Diesel Engines for Driving Stationary Fire Pumps
1283 7 Electromagnetic Interference Filters
1366 2 Outline of Investigation for Insulated Bus Pipe
1386 1 Outline of Investigation for Flexible Bus Systems
1399 1 Outline of Investigation for Leakage Current Measurement Devices for Use in Marina Applications
1480A 1 Speakers for Commercial and Professional Use
1564 5 Standard for Industrial Battery Chargers
1598 5 Luminaires
1640 4 Portable Power-Distribution Equipment
1691 2 Single Pole Locking-Type Separable Connectors
1699 3 Arc-Fault Circuit-Interrupters
1740 4 Robots and Robotic Equipment
1773 6 Standard for Personal Termination Boxes
1778 5 Uninterruptible Power Systems
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
2202 3 DC Charging Equipment for Electric Vehicles
2225 5 Cables and Cable-Fittings For Use In Hazardous (Classified) Locations
2237 1 Multi-Point Interconnection Power Cable Assemblies for Industrial Machinery
2251 4 Plugs, Receptacles, and Couplers for Electric Vehicles
2264A 2 Outline of Investigation for Water Electrolysis Type Hydrogen Generators
2271 3 Batteries for Use In Light Electric Vehicle (LEV) Applications
2271 3 Batteries for Use In Light Electric Vehicle (LEV) Applications
2299 1 Outline of Investigation for Grounding Monitor Interrupters
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 Mass Notification Systems
2580 3 Batteries for Use In Electric Vehicles
2580 3 Batteries for Use In Electric Vehicles
2594 3 Electric Vehicle Supply Equipment
2734 4 Connectors and Service Plugs for Use with On-Board Electrical Vehicle (EV) Charging Systems
2750 1 Wireless Power Transfer Equipment for Electric Vehicles
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
3008 2 Outline of Investigation for Automatic Interconnection Switches for Emergency Systems
3100 1 Automated Mobile Platforms (AMPs)
5840 1 Electrical Systems of Battery Powered Aviation Ground Support Equipment
6141 1 Wind Turbines Permitting Entry of Personnel
8801 1 Photovoltaic (PV) Luminaire Systems
9691 1 Recommended Practice for Nameplates for Use in Electrical Installations
9741 1 Electric Vehicle Power Export Equipment (EVPE)
1400-1 1 Outline of Investigation for Fault-Managed Power Systems - Part 1: Safety Requirements
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
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
60335-2-29 1 Household and Similar Electrical Appliances - Safety - Part 2-29: Particular Requirements For Battery Chargers
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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