Why bus bar is used in substation? All Questions › Category: Switchgear And Protection › Why bus bar is used in substation? 0 Vote Up Vote Down CS Electrical And Electronics Staff asked 4 years ago I need short information. 1 Answers 0 Vote Up Vote Down Ashok answered 4 years ago As busbar is a junction on which sevral ( more than 2)conductor mounted. It is easy to take supply for whole system. Chetan Shidling replied 4 years ago Yaa right ?