BS EN 50288-3-1:2003
模拟和数字通信及控制中使用的多元件金属电缆.第3-1部分:100MHz及以下的非铠装电缆分规范.水平和建筑物的主电缆
Multi-element metallic cables used in analogue and digital communication and control - Part 3-1:Sectional specification for unscreened cables characterised up to 100 MHz - Horizontal and building backbone cables