Physics · Electrical Installations and Safety
Which of the following is the main reason why a new electrical installation is tested before it is switched on to the mains supply? I. To know the cause of failure of a particular circuit or equipment and to locate the exact position of breakdown. II. To ensure before supply to a completed installation that it is free from faults and is in accordance with electricity rules.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Only I
- 2Neither I nor II
- 3Only II✓
- 4Both I and II
Correct answer
Only II
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