BS EN 50288-5-1-2013 模拟和数字通信及控制中使用的多元件金属电缆.250 MHZ及以下的屏蔽电缆的分规范. 水平和建筑物主干电缆
Multi-element metallic cables used in analogue and digital communication and control. Sectional specification for screened cables characterized up to 250 MHz. Horizontal and building backbone cables