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单选题
514 Phase letter V shall be used as a suffix on the c able identification co de to identify theungrounded wire or cable that is in a single phase system
A
导线识别代码的后缀应使用V字母作为后缀以识别单相系统中未接地的电缆或导线
B
导线识别代码的前织应使用V字母作为后缀,以识别单相系统中未接地的电缆或导线
C
导线识别代码的后缀应使用相字母 “V”“作为后缀,以识别单相系统中未接地的导线或电缆。
答案解析
正确答案：C
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