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English Translations » 信息处理 » Participation brings wealth 【Daily Question No. 28】December

Participation brings wealth 【Daily Question No. 28】December 28, 2017

2017-12-28View Original

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To increase the popularity of the Zhuhua Electrical Forum, it has launched a \"Question of the Day\" activity, which not only fosters an active atmosphere for technical exchanges but also provides members with financial rewards. 【Daily Question No. 28】December 28, 2017, D – Summary of Daily Questions for Registered Electrical Engineers in 2017
Reply #22017-12-28
In the low-voltage power grid of IT systems, a dedicated transformer should be provided for lighting loads.
Reply #32017-12-28
When which of the following grounding systems is used for the low-voltage power distribution system in this workshop, it is appropriate to use a dedicated transformer to supply power for the lighting? (D) A. TN-C system B. TN-C-S system C. TT system D. IT system

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Translated at 2026-07-26 07:06:26

Original: https://bbs.hcbbs.com/thread-1887462-1-1.html

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