SWITCHING EQUIPMENT 



527 



To nearest operating 

 Positive Bus depending 

 on whether Relay 18 

 mounted near the 

 Circuit Breaker or on 



A Closed when Oil Switch is Closed. 

 B Closed when Oil Switch is Open. 



FIG. 330. Connections for Trip-free Relay. 



FIG. 331. Connections for Bell-alarm Relay. 



