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Standard 508A, Edition 3

Industrial Control Panels

UL Standard
Standard 508A, Edition 3 Edition Date: April 24, 2018 ANSI Approved: July 21, 2022 $716.00-$1,567.00

Revisions and Related Documents

Revisions
Red Line Std. (13)

Date      
July 28, 2022 Redline Revision
July 21, 2022 Redline Revision
August 05, 2021 Redline Revision
July 13, 2021 Redline Revision
August 06, 2020 Redline Revision
April 16, 2020 Redline Revision
July 03, 2018 Revision
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CSDS
Proposals (18)

CSDS Proposal   

CSDS Proposals

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

  • A revision of a single or multiple requirement(s).
  • 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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June 17, 2022
February 11, 2022
July 16, 2021
June 11, 2021
April 23, 2021
February 26, 2021
February 12, 2021
February 05, 2021
January 08, 2021
July 10, 2020
June 05, 2020
April 10, 2020
February 21, 2020
February 14, 2020
January 22, 2020
January 10, 2020
July 13, 2018
May 18, 2018
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UL LLC CRD (0)

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Other Updates (2)

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Bulletin   

Bulletins

These bulletins are not used in CSDS. These are announcement and report type bulletins.

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Summary of Topics (SOT)
October 18, 2018 View
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Technical Guidance   
August 13, 2018
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Referenced Standards (39)

Below is a list of UL Standards referenced in UL 508A

StandardEditionTitle
67 13 Panelboards
83 16 Standard for Thermoplastic-Insulated Wires and Cables
218 3 Fire Pump Controllers
294 7 Standard for Access Control System Units
508 18 Industrial Control Equipment
698A 4 Industrial Control Panels Relating to Hazardous (Classified) Locations
758 3 Appliance Wiring Material
864 10 Standard for Control Units and Accessories for Fire Alarm Systems
891 12 Standard for Switchboards
916 5 Energy Management Equipment
924 10 Standard for Emergency Lighting and Power Equipment
943 5 Ground-Fault Circuit-Interrupters
977 5 Fused Power-Circuit Devices
1037 6 Standard for Antitheft Alarms and Devices
1066 5 Power Circuit Breakers up to 1000 V AC and 1500 V DC Used in Enclosures
1203 5 ExplosionProof and Dust-IgnitionProof Electrical Equipment for Use in Hazardous (Classified) Locations
1429 4 Pullout Switches
1561 4 Standard for Dry-Type General Purpose and Power Transformers
1563 6 Electric Spas, Equipment Assemblies, and Associated Equipment
1640 4 Portable Power-Distribution Equipment
1741 3 Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources
1773 6 Standard for Personal Termination Boxes
1953 7 Outline of Investigation for Power Distribution Blocks
1977 3 Component Connectors for Use in Data, Signal, Control and Power Applications
1995 5 Heating and Cooling Equipment
2017 2 Standard for General-Purpose Signaling Devices and Systems
2075 2 Gas and Vapor Detectors and Sensors
2237 1 Multi-Point Interconnection Power Cable Assemblies for Industrial Machinery
2238 3 Cable Assemblies and Fittings for Industrial Control and Signal Distribution
1004-2 2 Standard for Impedance Protected Motors
1004-3 2 Standard for Thermally Protected Motors
4248-1 3 Fuseholders - Part 1: General Requirements
5085-1 1 Low Voltage Transformers - Part 1: General Requirements
5085-2 2 Low Voltage Transformers - Part 2: General Purpose Transformers
60320-1 3 Appliance Couplers for Household and Similar General Purposes - 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
62368-1 3 Audio/Video, Information and Communication Technology Equipment - Part 1: Safety Requirements
60947-4-1 4 Low-Voltage Switchgear and Controlgear - Part 4-1: Contactors and Motor-Starters - Electromechanical Contactors and Motor-Starters
61800-5-1 2 Adjustable Speed Electrical Power Drive Systems - Part 5-1: Safety Requirements - Electrical, Thermal and Energy
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Reverse Referenced Standards (17)

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