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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 09, 2020 $716.00-$1,567.00

Revisions and Related Documents

Red Line Std. (5)

August 06, 2020 Redline Revision
April 16, 2020 Redline Revision
July 03, 2018 Revision
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Proposals (9)

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CSDS Proposals

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  • 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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July 13, 2018 View
May 18, 2018 View
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Other Updates (2)

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

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

83 16 Standard for Thermoplastic-Insulated Wires and Cables
218 3 Fire Pump Controllers
294 7 Standard for Access Control System Units
497B 4 Standard for Protectors for Data Communications and Fire-Alarm Circuits
698A 4 Standard for Industrial Control Panels Relating to Hazardous (Classified) Locations
758 3 Standard for Appliance Wiring Material
864 10 Standard for Control Units and Accessories for Fire Alarm Systems
891 12 Standard for Switchboards
916 5 Standard for Energy Management Equipment
924 10 Standard for Emergency Lighting and Power Equipment
977 5 Standard for Fused Power-Circuit Devices
1037 6 Standard for Antitheft Alarms and Devices
1066 4 Standard for Low-Voltage AC and DC Power Circuit Breakers Used in Enclosures
1203 5 ExplosionProof and Dust-IgnitionProof Electrical Equipment for Use in Hazardous (Classified) Locations
1429 4 Standard for Pullout Switches
1563 6 Electric Spas, Equipment Assemblies, and Associated Equipment
1640 4 Standard for Portable Power-Distribution Equipment
1682 5 Plugs, Receptacles, and Cable Connectors of the Pin and Sleeve Type
1740 4 Standard for Robots and Robotic Equipment
1741 2 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 Standard for 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 Standard for Gas and Vapor Detectors and Sensors
2237 1 Standard for Multi-Point Interconnection Power Cable Assemblies for Industrial Machinery
2238 3 Standard for 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
248-17 5 Outline of Investigation for Low-Voltage Fuses - Part 17: Class CF Fuses
4248-1 2 Fuseholders - Part 1: General Requirements
60320-1 3 Standard for Appliance Couplers for Household and Similar General Purposes - Part 1: General Requirements
60939-3 1 Standard for Passive Filter Units for Electromagnetic Interference Suppression - Part 3: Passive Filter Units for Which Safety Tests are Appropriate
61010-1 3 Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use - Part 1: General Requirements
62368-1 3 Standard for Audio/video, information and communication technology equipment - Part 1: Safety requirements
60947-5-5 1 Standard for Low-Voltage Switchgear and Controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function
61800-5-1 1 Standard for Adjustable Speed Electrical Power Drive Systems - Part 5-1: Safety Requirements - Electrical, Thermal and Energy
61010-2-201 2 Standard for Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use - Part 2-201: Particular Requirements for Control Equipment
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Reverse Referenced Standards (18)

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