Multiple Choice Question (MCQ)

Question: What should be the distance between building electric supply mains?
A. 1.0 - 1.8 m
B. 1.0 - 2.0 m
C. 1.2 - 2.0 m
D. 1.5 - 2.0 m
Correct Answer: 1.2 - 2.0 m