UL 569 Pigtails and Flexible Hose Connectors for LP-Gas UL Standard Edition 8 Published Date: November 19, 2013 Last Revision: November 08, 2022 ANSI Approved: November 08, 2022 Scope Summary of Topics, Low pressure flexible hose connectors used in natural gas systems are intended to be installed in accordance with the National Fuel Gas Code, NFPA 54/ANSI Z223.1. Pigtails and flexible hose connectors are used to make connection between parts of equipment or between equipment and service piping., UL Standard for Safety for Pigtails and Flexible Hose Connectors for LP-Gas, UL 569 Eighth Edition, Dated November 19, 2013 Summary of Topics These revisions to ANSI/UL 569 include the following: 1., Low pressure flexible hose connectors used in natural gas systems are intended to be installed in accordance with the National Fuel Gas Code, NFPA 54/ANSI Z223.1. Pigtails and flexible hose connectors are used to make connection between parts of equipment or between equipment and service piping., Free Digital View of UL Standards View all current editions and revisions of UL and ULC Standards for Safety Only free of charge. Includes national different to IEC/ISO based standards. Register and access the standards at www.shopulstandards.com, .