问题
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测量10/0.4KV变压器二次绕组对地的绝缘电阻值用()。A.500V摇表B.1000V摇表C.2500V摇表
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火灾自动报警系统导线敷设后 应用500V绝缘电阻表测量每个回路导线对地的绝缘电阻 且绝缘电阻值不应
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火灾自动报警系统导线敷设后 应用500V绝缘电阻表测量每个回路导线对地的绝缘电阻 且绝缘电阻值不应
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火灾自动报警系统导线敷设后 应用500V绝缘电阻表测量每个回路导线对地的绝缘电阻 且绝缘电阻值不应
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火灾自动报警系统导线敷设后 应用500V绝缘电阻表测量每个回路导线对地的绝缘电阻 且绝缘电阻值不应
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变配电所新安装的二次接线回路 只测量导线对地的绝缘电阻即可。
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