1 Scope This standard specifies national modifications to the requirements for the production of retreaded tyres intended to be fitted on commercial vehicles and their trailers used on the road, as given in SANS 20109.

1 Scope

1.1 This part of SZNS SANS 10142 covers requirements for the design, erection and modification of specific, fixed, medium-voltage electrical installations in distribution systems between the point of control and the point of consumption, with nominal voltages above 1 kV a.c. not exceeding 22 kV a.c. and up to and including 3 000 kW installed capacity, so as to provide safe and proper functioning for the use intended