【Electrical Version】Daily Question 20171025

2017-10-25View Original

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This post was last edited by hesonchang214 on 2017-10-26 09:45. The three-phase busbars in a substation should be painted in ( ) colors to indicate the correct phase sequence: A. Red, yellow, green; B. Yellow, green, red; C. Green, yellow, red

Reply #22017-10-25

Answer: Phase A is yellow, Phase B is green, and Phase C is red. Additionally, the neutral wire is light blue, while the protective neutral wire (ground wire) is yellow and green. Is LZ correct?

Reply #32017-10-25

Please ask the assistant editor to add my QQ number 182521922. Thank you

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【Electrical Version】Daily Question 20171025

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