Glossary // Equipment Protection Level

Equipment Protection Level

GroupEx RiskZoneEPLMinimum type of Protection
I (mines)energizedMa
II (gas)explosive atmosphere > 1000 hrs/yr0Gaia, ma
II (gas)explosive atmosphere between 10 and 1000 hrs/yr1Gbib, mb, px, py, d, e, o, q, s
II (gas)explosive atmosphere between 1 and 10 hrs/yr2Gcn, ic, pz
III (dust)explosive surface > 1000 hrs/yr20Daia
III (dust)explosive surface between 10 and 1000 hrs/yr21Dbib
III (dust)explosive surface between 1 and 10 hrs/yr22Dcic