Permissible bending radius : not less than 6 times of overall diameter for unarmored cable ; not less than 12 times of overall diameter for armored or screened cable ; not less than 6 times of overall diameter for screened flexible cable 推荐允许弯曲半径：无铠装层电缆应不小于电缆外径的6倍；有铠装层或屏蔽层结构的电缆应不小于电缆外径的12倍；有屏蔽结构的软电缆应不小于电缆外径的6倍。
