House Wiring MCQ - Electrician (Set-1) with Answers

House Wiring MCQ - Electrician (Set-1) with Answers

26) Galvanised steel wire is usually used as

Answer is:

all of the above

27) The minimum clearance between 132 kV transmission line and ground is about

Answer is:

6.4 metres

28) If a 132 kV line passes over a residential building, the minimum vertical clearance from the roof of the building shall be

Answer is:

4.57 metres

29) The colour of the neutral wire of 3-core flexible cable is

Answer is:

blue

30) The material used for the manufacture of ground wire is

Answer is:

galvanised steel

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