Electric Automation Forum
Forum » General Discussion » What is the right to open the BB isolator OR line isolator » Reply Thead


Your name:



Put the result (3 - 4) in      

Start by
Adel Elsayed
08-28-2014 01:40 AM

What is the right to open the BB isolator OR line isolator

While de-energizeing the line feeder and after opening the CB from both sides, what is the right to open the BB isolator OR line isolator first and why ?