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Closing of 138kV Disconnect Switch
500 kV Motor Operated Disconnect Switch (MOD).mp4
138KV Switch Opening and Closing
138kv switch closing
230 kv open switch failure
open disconnector and closing grounding switch on 161kv
High-voltage disconnect-switch arcing
138kV Switch Closing
Closing a 115kv switch
Closing a Loop Break Disconnect, 230 kV Line
Substation Disconnect Switch
138KV disconnect switch operating
