UL - 698A BULLETIN
UL Standard for Safety Industrial Control Panels Relating to Hazardous (Classified) Locations
|Publication Date:||25 May 2018|
These requirements cover industrial control panels intended for general industrial installation and use in unclassified locations with intrinsically safe circuit extensions into the following hazardous (classified) locations in accordance with the National Electrical Code (NEC), NFPA 70:
a) Class I, Division 1;
b) Class I, Zone 0 and Zone 1 AEx;
c) Class II, Division 1;
d) Class III, Division 1; and e) Zone 20 and Zone 21 AEx.