Registration number (WIID)Project No.TitleStatus
46214prEN 50114Materials and size requirements for earth electrodes from the corrosion point of viewIzstrādē
56481prEN 50XXXBasic requirements for protective separation in electrical equipmentIzstrādē
52440prEN 50XXXRevision of UNE 21056:1981: Grounding electrode. Coupling cylindrical bars of steel-copper.Izstrādē
49860prEN 50XXXRevision of NF C 14-100 - Low-voltage mains installations between the supply system and the consumers installationsIzstrādē
42226prEN 50XXXElectrical installations in stands, fairs and showsIzstrādē
54130prEN 50XXXRevision of Series DIN VDE 0108 (VDE 0108):1989-10 - Electrical installations and safety power supply in communal facilitiesIzstrādē
47185prEN 50XXXAdministrative rules for the national implementation in Finland of the methods of verification of electrical installations standardized by CENELECIzstrādē
52238prEN 50XXXRevision of DIN VDE 0100-725 (VDE 0100 Part 725):1991-11 - Erection of low voltage installations Auxiliary circuitsIzstrādē
47211prEN 50XXXRevision of DIN VDE 0100-723 (VDE 0100 Part 723):1990-11 - Erection of power installations with nominal voltages up to 1000 B - Class-rooms with experimental desksIzstrādē
56929prEN 50XXXRevision of ÖVE EN 2 Parts 1 to 8 - Electrical installations of buildings, low voltage installations with rated voltage up to 100 V ac 50/60 Hz - Requirements for special installations or locations - Low-voltage installations and safety power supply for buildings with a crowd of peopleIzstrādē
Displaying 481-490 of 569 results.