問題詳情
64. 如下圖，配電圖資內符號，係表示 
(A)低壓手孔
(B)750~33000 伏特間之手孔
(C)高壓手孔
(D)高壓人孔。
參考答案
無參考答案
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- 高空工作車之絕緣臂已有絕緣，於活線或接近活線作業時，其車體(A)可依工作需要施行接地(B)尚無規定要接地(C)不可接地(D)應接地。
- 完成活線工作後，下桿至頭部離最下層活線(A)2(B)1(C)3(D)0.3 公尺以上，始可脫下橡皮手套。
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