European Committee for Electrotechnical Standardization(CENELEC)
Latest
EN 60423:2007
EN 60423:2007 history
2007EN 60423:2007 Conduit systems for cable management - Outside diameters of conduits for electrical installations and threads for conduits and fittings
1994EN 60423:1994 Conduits for Electrical Purposes - Outside Diameters of Conduits for Electrical Installations and Threads for Conduits and Fittings