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Question

The minimum height of lowest conductor of a 1 33 KV crossing the road should be above the ground 

A.

7.5 metre 

B.

5.2 metre 

C.

8.1 metre 

D.

6.1 metre

Answer ( Option D)

6.1 metre

Solution

Minimum height of lowest conductor :          

Cross with road :

LV & MV 19 feet = 5.8 m

HV & EHV 20 feet = 6.1 m

Parallel with road :

LV & MV 18 feet = 5.5 m

HV & EHV 19 feet = 5.8 m

So for 33 kV cross with road minimum height of lowest conductor is 6.1 m.

Hence, the correct option is (D).

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