This Part 7 of the HD details the particular requirements for polyvinyl chloride insulated cables of rated voltages Uo/U up to and including 450/750V for internal wiring of electrical apparatus where wiring is operated in a high temperature zone. The high temperature may be caused by high ambient temperature and/or by heat generated by the equipment. Each cable shall comply with the appropriate requirements given in Part 1 and the particular requirements of this part. NOTE: The overall dimensions of the cables of this Part of HD 21 have been calculated in accordance with EN 60719.
Legislation related to this standard
Directive 2006/95/EC of the European Parliament and of the Council of 12 December 2006 on the harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits (codified version)
Harmonized/Supporting
WITHDRAWN
HD 21.7 S1:1990/A2:1993
WITHDRAWN
HD 21.7 S1:1990/A1:1992
WITHDRAWN
HD 21.7 S1:1990
WITHDRAWN
HD 21.7 S2:1996
99.60
Withdrawal effective
Jan 17, 2014
WITHDRAWN
HD 21.7 S2:1996/A1:1999
PUBLISHED
EN 50525-2-31:2011