This International Standard specifies outside diameters for conduits used in electrical installations and the dimensional requirements for threads. It also specifies the dimensional requirements for threads used in associated fittings.
It is not applicable to extra-heavy duty rigid steel conduits specified in IEC 981.
SANS 60423:1993 history
2008SANS 60423:2008 Conduit systems for cable management - Outside diameters of conduits for electrical installations and threads for conduits and fittings
1993SANS 60423:1993 Conduits for electrical purposes - Outside diameters of conduits for electrical installations and threads for conduits and fittings