Registration number (WIID)Project No.TitleStatus
44347EN 50018:1977/prAAElectrical apparatus for potentially explosive atmospheres - Flameproof enclosure 'd'Izstrādē
49521prEN 50019/prAAElectrical apparatus for potentially explosive atmospheres - Increased safety 'e'Izstrādē
56918prEN 61241-1-2Electrical apparatus for use in the presence of combustible dust - Part 1-2: Electrical apparatus protected by enclosures and surface temperature limitation - Selection, installation and maintenanceIzstrādē
56912prEN 50056Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group I apparatus indicating up to 100 % (v/v) methane in airIzstrādē
54264prEN 50XXXDetermination of allowed contents for connecting boxes of increased safety 'e'Izstrādē
51884prEN 50XXXEnquiry on Zone 2 - SituationIzstrādē
41943EN 50021:1999/prA1Electrical apparatus for potentially explosive atmospheres - Type of protection "n"Izstrādē
52528EN 50104:1995/AAElectrical apparatus for the detection and measurement of oxygen - Performance requirements and test methodsIzstrādē
48827EN 60079-29-4:2010/AAExplosive atmospheres - Part 29-4: Gas detectors - Performance requirements of open path detectors for flammable gasesIzstrādē
55887EN 50628:2016Erection of electrical installations in underground minesIzstrādē
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