This revision of ANSI/UL 60079-0 dated April 15, 2020 includes the following changes in requirements: Addition of Supplementary Requirements for Factory-Wiring Between Enclosures; 3.3.95ADV.1, Clause 19.19DV Addition of Electronic Medium for Required Instructions; 30.5.30.6ADV Alignment with 2020 NEC for Clause 1.1DV, Table 4ADV and 29.4.29.4DV.