
CSA C22.2 NO. 213-17
Nonincendive electrical equipment for use in Class I and II, Division 2 and Class III, Divisions 1 and 2 hazardous (classified) locations (Binational standard with UL 121201), Includes Update No. 1 (2018) and Update No. 2 (2019)
standard by CSA Group, 09/01/2017