Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-03-28
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This post was last edited by It will be better tomorrow on 2020-3-28 at 15:40. Process Engineering Section – Instrumentation and Automation Section – Daily Question – Question for 2020-03-28: Multiple-choice question: 72. The protection grounding for instruments should use ( ). A. Single-core wire B. Twin-strand wire C. Multi-strand wire. Answer: C. Multi-strand wire
C. For the wires in the grounding system, insulated copper conductors with multiple strands should be used; according to clause 6.1.1 of SH/T 3081-2019, this is exactly what applies here