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那句話的解讀請這樣看:/ H4 k$ E, o0 f* t/ Z
25.2 (All exposed dead metal parts of a cord-connected appliance that is equipped with a grounding conductor, and all dead metal parts within the enclosure that are exposed to contact during any user servicing) and (which) are likely to become energized, shall be conductively connected to the grounding conductor of the power-supply cord.
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, s! M& {$ ^6 K% t' q外露的金屬必須是有可能變成帶電的狀況時, 才會被要求去連結到接地迴路上. 你所描述的狀況不在此條文所考量的範圍內. 若對此判定尚有疑慮的話, 可以參考到UL 197的18.2章節, 裡頭清楚的說明那些exposed dead metal parts 可以判定成"不會帶電". |
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