HD 21.1 S3:1997

Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V - Part 1: General requirements HD 21.1 S3:1997

Publication date:   Feb 2, 2003

Scope

HD 21 applies to rigid and flexible cables with insulation and sheath if any, based on polivinyl chloride, of rated voltages Uo/U up to and including 450/750 V used in power installations of nominal voltage not exceeding 450/750 V a.c. This Part 1 specifies the General Requirements applicable to these cables. The test methods specified are given in Part 2 of this HD, in HD 405.1 and in EN 60811. The particular types of cables are specified in Part 3 onwards of this HD, and are hereafter referred to as "the particular specifications". The code designations of these types of cables are in accordance with HD 361.

Related legislation

Legislation related to this standard