Question: The test voltage and minimum insulation resistance test values for an installation forming part of a 230 V single phase, TN-C-S system are... a) 500

The test voltage and minimum insulation resistance test values for an installation forming part of a 230 V single phase, TN-C-S system are... a) 500 V and 0.5 M b) 250 V and 0.5 M c) 250 V and 1.0 M d) 500 V and 1.0 M

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