Pictures 19 Chester Electric Power Station - PECO Energy, Chester Pennsylvania Tweet 1998 SWITCH HOUSE SECOND FLOOR, AIR (CIRCUIT) BREAKER 1998 SWITCH HOUSE SECOND FLOOR, THREE SMALL TRANSFORMERS 1998 SWITCH HOUSE SECOND FLOOR, CIRCUIT BREAKER OPERATING MECHANISM 1998 SWITCH HOUSE THIRD FLOOR, MAIN BUS DISCONNECT 1998 SWITCH HOUSE THIRD FLOOR, EXPANSION CONNECTION TO DISCONNECT SWITCH 1998 SWITCH HOUSE FOURTH FLOOR, VIEW FROM SOUTH TO NORTH TO SHOW RING BUS CASE