1 Scope

1.1 These requirements cover marine shore power inlets rated at not less than 20 A and not more than 50 A, 250 V maximum. These devices are intended for use with marine shore power cable sets to extend the shore power supply from a shore-installed power outlet to a boat, in accordance with the applicable requirements in the American Boat and Yacht Council (ABYC), E-8-1985, National Fire Protection Association Standard for Pleasure and Commercial Motor Craft, NFPA No. 302-1987, and the United States Coast Guard (USCG) Regulations Title 33, Chapter 1, CFR, Part 183.

1.2 Shore power inlets shall also comply with the applicable requirements of either UL 498F or UL 498D as identified in , except as modified by these requirements.

ANSI/NEMA Configuration

Applicable UL Standard

L5-20P

UL 498F

L5-30P

UL 498F

L6-20P

UL 498F

L6-30P

UL 498F

L14-20P

UL 498F

L14-30P

UL 498F

L15-20P

UL 498F

L15-30P

UL 498F

L21-20P

UL 498F

L21-30P

UL 498F

SS1-50P

UL 498D

SS2-50P

UL 498D

SUMMARY OF TOPICS

This revision of ANSI/UL 498M dated August 20, 2024 is being issued to update the title page to reflect the most recent designation as a Reaffirmed American National Standard (ANS). No technical changes have been made.