JCS 29.060.01 K13 4 也-+-2 民韭l 、日压 450/750V. JBff 10491.2-2004 、日、日Cross-linked polyolefin insulated wires and cables with rated voltages up to and including 450/750V Part2: Cross-linked polyolefin insulated wires and cables for maximum conductor temperature of 1os·c in normal operation 2004-10-20 发布 2005-04-01 实施中华人民共和国国家发展和改革委员会发布 L .