BS EN 50288-3-1-2013 模拟和数字通信及控制中使用的多元件金属电缆.100 MHz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. Sectional specification for unscreened cables characterised up to 100 MHz. Horizontal and building backbone cables