Descriptors | Dust, Explosive atmospheres, Fire risks, Fire safety, Flammable atmospheres, Protected electrical equipment, Electric enclosures, Electrical equipment, Hazardous areas classification (for electrical equipment), Electrical safety, Electrical testing, Hazards, Safety measures, Selection, Installation, Inspection, Maintenance, Particle size distribution, Combustion, Enclosures, Ignitability, Ignition, Temperature, Electric wiring systems, Friction, Designations |