1.20-40w led explosion proof light 2. explosion proof grade:ExdIIBT5 3.IP66 4.hazardous area led emergency light explosion proof led emergency lightNB-EPL01-ZApplication:Applied to oil fields, oil refineries, offshore oil platform, power plants, gas stations, oil tanks, wharf, tunnel, pumping station, substation, the military base,etc. Zone I and ZoneII Hazardous Locations, Zone 20, Zone 21, Zone ...