【Daily Question】Question from Issue 20150929
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This post was last edited by yuchenchf on 2015-10-12 at 15:32. Reward for participation: 2 wealth points. Reward for correct answer: 9 wealth. ( ) It does not have a dedicated arc extinguishing device, and it cannot be closed or opened under load. A. Load switch B. Circuit breaker C. Automatic switch D. Isolator Answer ； D 【Production and Management Division】Seeking moderators and technical discussants to join
a..............................
(D, isolating switch) does not have a dedicated arc-quenching device, and it cannot be closed or opened under load.
(D) It lacks a dedicated arc extinguishing device, and therefore it cannot be closed or opened under load.
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(D, isolating switch) does not have a dedicated arc-quenching device, and it cannot be closed or opened under load.
(D) It lacks a dedicated arc extinguishing device, and therefore it cannot be closed or opened under load. A. Load switch B. Circuit breaker C. Automatic switch D. Isolator