The earthing of secondary circuit of an isolating test transformer on the circuit for luminaire leakage current test strongly influences the accuracy of test results.

灯具泄漏电流测试线路中隔离测试变压器次级接地问题直接影响着测试结果的准确性。

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This article goes into details on the principle and assemblage of earthing, zeroing and leakage prevention with the view of ensuring power supply safety and hindering electric shock accidents.

本文着重对工业供电系统电气设备的接地、接零及漏电保护的原理与安装方法等作了详尽的介绍，旨在确保用电安全，防止触电事故的发生。

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This Paper analyses the harm of single-phase earthing in electricity supply system of mine and introduces several type of common ways of leakage protection.

分析井下供电系统单相接地的危害，介绍几种常见的漏电保护方法。

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