This Korean Industrial Standard specifies unplasticized polyvinyl chloride (UPVC) conduit tubes, hereinafter referred to as the "conduits", to be used for protection of wires in electric wiring.
Remark In this standard, units and numerical values in{ } are based on the International system of Units (Sl)and given for reference only.
KS C 8431-1989 history
2019KS C 8431-2019 Rigid unplasticized polyvinyl chloride(UPVC) conduits
2014KS C 8431-2014 Rigid unplasticized polyvinyl chloride(UPVC) conduits
2009KS C 8431-2009 Rigid unplasticized polyvinyl chloride(UPVC) conduits
1989KS C 8431-1989 Rigid unplasticized polyvinyl chloride(UPVC) conduits
1986KS C 8431-1986 Rigid unplasticized polyvinyl chloride(UPVC) conduits