untitled BRITISH STANDARD BS EN 60423 2007 Conduit systems for cable management — Outside diameters of conduits for electrical installations and threads for conduits and fittings The European Standard[.]
BRITISH STANDARD Conduit systems for cable management — Outside diameters of conduits for electrical installations and threads for conduits and fittings The European Standard EN 60423:2007 has the status of a British Standard ICS 29.120.10 12&23