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Standard 498F, Edition 1

Plugs, Socket-Outlets and Couplers with Arcuate (Locking Type) Contacts

UL Standard
Standard 498F, Edition 1 Edition Date: July 29, 2020 ANSI Approved: August 15, 2023 $402.00-$998.00

Revisions and Related Documents

Red Line Std. (10)

August 15, 2023 Redline Revision
March 10, 2023 Redline Revision
September 21, 2021 Redline Revision
June 07, 2021 Redline Revision
December 09, 2020 Redline Revision
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Proposals (7)

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.


June 23, 2023
April 21, 2023
December 16, 2022
July 16, 2021
April 16, 2021
August 28, 2020
March 27, 2020
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UL LLC - Certification Requirement Decision    Learn more about CRDs
May 10, 2021
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Other Updates (0)

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Referenced Standards (34)

Below is a list of UL Standards referenced in UL 498F

20 14 General-Use Snap Switches
94 7 Tests for Flammability of Plastic Materials for Parts in Devices and Appliances
98 14 Enclosed and Dead-Front Switches
486E 5 Standard for Equipment Wiring Terminals for Use with Aluminum and/or Copper Conductors
496 14 Lampholders
498 16 Attachment Plugs and Receptacles
498A 2 Current Taps and Adapters
498D 1 Attachment Plugs, Cord Connectors and Receptacles with Arcuate (Locking Type) Contacts
498E 1 Attachment Plugs, Cord Connectors and Receptacles - Enclosure Types for Environmental Protection
498M 1 Marine Shore Power Inlets
514A 11 Metallic Outlet Boxes
514B 6 Standard for Conduit, Tubing, and Cable Fittings
514C 4 Nonmetallic Outlet Boxes, Flush-Device Boxes, and Covers
746A 6 Polymeric Materials - Short Term Property Evaluations
746B 5 Polymeric Materials - Long Term Property Evaluations
746C 7 Polymeric Materials - Use in Electrical Equipment Evaluations
746D 8 Polymeric Materials - Fabricated Parts
796 12 Printed Wiring Boards
817 12 Cord Sets and Power-Supply Cords
943 5 Ground-Fault Circuit-Interrupters
969 5 Marking and Labeling Systems
1203 6 ExplosionProof and Dust-IgnitionProof Electrical Equipment for Use in Hazardous (Classified) Locations
1283 7 Electromagnetic Interference Filters
1363 6 Relocatable Power Taps
1449 5 Surge Protective Devices
1681 4 Standard for Wiring Device Configurations
1682 5 Plugs, Receptacles, and Cable Connectors of the Pin and Sleeve Type
1691 2 Single Pole Locking-Type Separable Connectors
1863 4 Standard for Communications-Circuit Accessories
1977 4 Component Connectors for Use in Data, Signal, Control and Power Applications
4248-1 3 Fuseholders - Part 1: General Requirements
4248-4 1 Fuseholders - Part 4: Class CC
486A-486B 3 Wire Connectors
60950-1 2 Information Technology Equipment - Safety - Part 1: General Requirements
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Reverse Referenced Standards (2)

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