试论电器设备的正确接地

Demonstration on the Correct Ground Connection of Electical Equipment

电器通过接地抑制噪声和防止干扰是常用的一种方法，文中通过对几种接地方法的分析和比较，说明了只有针对不同情况采取相应的接地方式，才能达到目的，从而对教学实验以及工作，生活起到积极的参考作用。

The Grounding of electric devices is a kind of normal ways for restraining noise and interfere. Several methods are analyzed and compared in the paper to explain the relative methods, it gives reference for teaching lab work and life.