本文件规定了额定功率多芯电缆的要求、结构和尺寸 以下类型的电压U0/U=300/500 V: 屏蔽（0.5 mm2到2.5 mm2，芯数从1到8）。交叉引用:EN 62230EN 45545-1EN 61034-2EN 60332-1-2EN 60811（所有部分）EN 50305:2020EN 50306-1:2020EN 50343EN 50355EN 60754-1EN 45545-2EN 60754-2替换BS EN 50306-3:2002，目前仍然有效。购买本文件时，所有当前可用的修改件均包含在本文件中。

This document specifies requirements for, and constructions and dimensions of, multicore cables, rated voltageU0/U= 300/500 V, of the following type: Screened (0,5 mm2to 2,5 mm2, number of cores from 1 to 8).Cross References:EN 62230EN 45545-1EN 61034-2EN 60332-1-2EN 60811 (all parts)EN 50305:2020EN 50306-1:2020EN 50343EN 50355EN 60754-1EN 45545-2EN 60754-2Replaces BS EN 50306-3:2002 which remains currentAll current amendments available at time of purchase are included with the purchase of this document.