Revisions are being issued to incorporate the following changes in requirements:
1. Editorial revisions to 3.1, 5.8 and 11.3
2. Addition of new references to 3.1 and 5.8
3. Revision of wiring requirements in Sections 5 and 9
4. Revision to the fuel changeover requirements in Section 13
5. Addition of an exception for EFI systems in 13.4.4
6. Revision to clarify requirement in 19.1.4
7. Removal of the all-metallic requirement with regard to the external fuel-confining parts of a filter
Additional revisions to address universal upkeep of UL Standards for Safety were also included. These revisions are considered to be non-substantive and not subject to UL’s STP process.