问题
单项选择题
在电缆线路的绝缘测试中，次要项目的数据不合格，但暂不影响运行或影响较小，该电缆线路属于（）设备。
A.一类绝缘；
B.二类绝缘；
C.三类绝缘；
D.四类绝缘。
答案
参考答案：B
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在电缆线路的绝缘测试中，次要项目的数据不合格，但暂不影响运行或影响较小，该电缆线路属于（）设备。
A.一类绝缘；
B.二类绝缘；
C.三类绝缘；
D.四类绝缘。
参考答案：B
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