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138KV Switch Opening and Closing
138kV Switch Closing
138kv switch closing
500 kV Motor Operated Disconnect Switch (MOD).mp4
230 kv open switch failure
Closing of 138kV Disconnect Switch
High-voltage disconnect-switch arcing
138 KV switch arc
138KV disconnect switch operating
Energizing a 138000 volt Power Transformer!
138kV Switch Opening
138 kV switch malfunction
