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English Translations » 历史存档[信息] » 【Daily Topic】【Electrical Edition 20160902】

【Daily Topic】【Electrical Edition 20160902】

2016-09-02View Original

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Participation reward: 2 Wealth. Reward for correct answer: 9 Wealth. The grounding types for low-voltage systems include ( ) and others. 　　A.TN　　B.TN-C-N　　C.IT　　D.TN-C-S Correct answer: AC
Reply #22016-09-02
The AC TN systems are further divided into TN-C, TN-S, and TN-C-S systems; I’m not sure whether D counts as one of them
Reply #32016-09-02
The grounding types for ACD low-voltage systems include (ACD), among others.

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Translated at 2026-07-20 23:29:15

Original: https://bbs.hcbbs.com/thread-1613835-1-1.html

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