标准摘要
[中文适用范围]: IEC 60331 的这一部分规定了测试程序并给出了性能要求,包括建议的火焰施加时间,用于在指定条件下遭受火灾时保持电路完整性所需的数据电缆。它描述了样品制备的方法、连续性检查安排、电气测试程序、燃烧电缆的方法,并给出了评估测试结果的要求。它涵盖没有额定电压且用于超低压电路的电力数据电缆。 [外文原描述]: IEC 60331-23:1999 Specifies the test procedure and gives the performance requirement, including a recommended flame application time, for electric data cables required to maintain circuit integrity when subjected to fire under specified conditions. Describes the means of sample preparation, continuity checking arrangements, electrical testing procedure, method of burning the cables and gives requirements for evaluating test results. Covers electric data cables which have no rated voltage and are used for extra low voltage circuits.
英文名称Tests for electric cables under fire conditions - Circuit integrity - Part 23: Procedures and requirements - Electric data cables