582 



ELECTRICAL EQUIPMENT 



describing an arc 90 to go to the full open position. When the 

 switch opens an arc, the arc is drawn upward on the arc deflector 

 and the end of the switch blade. 



FIG. 374. 110,000- volt, Three-pole, Single-throw, Disconnecting switch. 



The construction of the switch blade is such that any snow 

 or ice that has collected on stationary contact or contact parts of 

 the switch are readily removed either on opening or closing the 



