Hellow guys, Welcome to my website, and you are watching How to read electrical drawing in 400kV GIS substation? Onlne SF6 gas refilling on Y ph HV of ICT#3. and this vIdeo is uploaded by KLING SUBSTATION KNOWLEDGE SHARING CENTER at 2024-01-04T10:22:23-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.