... ,CE ,CCC,UCS 3.STANDARD: IE ,VDE, BS, 4. High quanlity optical fiber cable 1. trade mark: 666 cable2. certificate: ISO9001 ,CE ,CCC ... ,UCS3.STANDARD: IE ,VDE, BS, 4. High quanlity, favourable price ... /500V, 450/750V and 300/300V7.the bending radius of cable:D≤25mm-----------≥4D D>25mm-----------≥6D