Registration number (WIID)Project No.TitleStatus
45771EN 50402:2005Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of fixed gas detection systemsAtcelts
49879EN 50394-1:2004Electrical apparatus for potentially explosive atmospheres - Group I - Intrinsically safe systems - Part 1: Construction and testingAtcelts
48039EN 50381:2004/corrigendum Dec. 2005Transportable ventilated rooms with or without an internal source of releaseIzstrādē
43365EN 50381:2004Transportable ventilated rooms with or without an internal source of releaseIzstrādē
54296EN 50303:2000Group I, Category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dustIzstrādē
45105EN 50284:1999Special requirements for construction, test and marking of electrical apparatus of equipment group II, Category 1 GAtcelts
43720EN 50281-3:2002Equipment for use in the presence of combustible dust - Part 3: Classification of areas where combustible dusts are or may be presentAtcelts
46461EN 50281-2-1:1998/corrigendum Aug. 1999Electrical apparatus for use in the presence of combustible dust - Part 2-1: Test methods - Methods for determining the minimum ignition temperatures of dustAtcelts
52591EN 50281-2-1:1998Electrical apparatus for use in the presence of combustible dust - Part 2-1: Test methods - Methods for determining the minimum ignition temperatures of dustAtcelts
48821EN 50281-1-2:1998/corrigendum Dec. 1999Electrical apparatus for use in the presence of combustible dust - Part 1-2: Electrical apparatus protected by enclosures - Selection, installation and maintenanceAtcelts
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