Electrical Engineering · Testing of Electrical Installations
According to standard electrical installation practice, what is the minimum acceptable insulation resistance value (working limit) to earth for an installation when measured with a megger?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.75 MΩ
- 21 MΩ✓
- 30.5 MΩ
- 41 Ω
Correct answer
1 MΩ
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