Historical
UL 1337 Ed. 4-2020
Outline of Investigation for LP-Gas, Natural Gas, and Manufactured Gas Devices for Engine Fuel Systems - Published Date: April 10, 2020
This fourth issue of the Outline of Investigation for LP-Gas, Natural Gas, and Manufactured Gas Devices for Engine Fuel Systems, UL 1337 dated Januray 23, 2020 includes revisions to the Accelerated Aging Test and addition of Resistance to Impace Test, Creep Test, and Dielectric-Voltage Withstand Test.
Underwriters Laboratories [ul]