在短路接地回路上，人体接触电气设备带电外壳的点与站立点之间存在接触电压。

There is touching voltage between body touch electric equipment case with electricity point and stand-up point in loop of short circuit ground.

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航空航天系列。电气和光学连接的元件。试验方法。第512部分：密封的连接件外壳的非移动固定件的效果。

Aerospace series - Elements of electrical and optical connection - Test methods - Part 512: effectiveness of non-removable fixing of hermetically sealed connector shell.

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塑胶外壳不能有永久性变形，电气部件的间隔也能符合第3.11条的标准。

There shall be no permanent deformation of the polymeric housing, and electrical spacings shall comply with Dlause3.11.

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