Depth of trench for cables carrying a voltage between 3.3 kV and 11 kV

Q.  What should be the minimum depth of trench from the ground level for cables carrying a voltage between 3.3 kV and 11 kV?
- Published on 05 Oct 15

a. 0.75 m plus radius of complete cable
b. 0.45 m plus radius of complete cable
c. 1.0 m plus radius of complete cable
d. All of these

ANSWER: 0.75 m plus radius of complete cable

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