Current Local Standards

Correspondence between IEC standards and RP

The Recommended Practice for Explosion-protected Electrical installations in General industries (RP) ; Technical Recommendations

IEC 60079 Current Type of protection part Edition of IEC which TR adorts
EX2015 EX2018
Part 0 7 General 1 6
Part 1 7 Flame proof enclosure “d” 2 6 7
Part 2 6 Pressurized enclosure “p” 3 5 6
Part 6 4 Oil-immersion“o” 4 3 4
Part 7 5 Increased safety “e” 5 4 5
Part 11 6 Intrinsic safety “i” 6 6
Part 18 4 Encapsulation “m” 7 3 4
Part 15 5 Non-incendive“n” 8 4
Part 33 2 Equipment dust protection by enclosure “t” 9 1 2