标准摘要
[中文适用范围]： 规定了用于测试具有保护类型的电气设备和电气系统的火花试验装置的要求 [外文原描述]： Prescribes requirements for the spark-test apparatus for the testing of electrical apparatus and electrical systems with type of protection
英文名称Electrical apparatus for explosive gas atmospheres - Part 3: Testing of intrinsically safe apparatus circuits