exposed metallic part 中文意思是什麼
exposed metallic part
解釋
外露金屬部分-
Designers and registered electrical workers may be uncertain whether conductive parts such as metallic bathroom accessories, metallic windows or metallic door handles are extraneous conductive parts. when difficulties are encountered, you may carry out a measurement as illustrated in figures 4 and 5. in figure 4, a is an exposed conductive part with a resistance rcpc to main earthing terminal
附圖四載列外露非帶電金屬部分a及懷疑為非電氣裝置金屬部分b (例如是金屬水喉管或木門的金屬手柄) , a對總接地終端的阻抗為rcpc , b對地的阻抗為rx 。
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