POC® 345 kV-800 A Transformer-Circuit Breaker Bushing, Paper-Oil-Capacitor Type, Rated per IEEE C57.19.01, Draw lead Connected for Air-to-Oil Applications , 23.00" Min. Oil Immersion Level.
POC type bushings feature a oil impregnated capacitance graded core with an external porcelain insulator
Oil impregnated paper wound core with external porcelain insulator