CONTENTS ix 



CHAPTER M' 



PAGE 



I.IAKY APPARATUS USED WITH ELECTRIC MACHINERY 400 



1. Switches. 2. Fuses. 3. Circuit breakers Over load, time 

 limit relay. 4. Meter- Indicating Recording Watt-hour Fre- 

 quency Pout-r factor. 5. Switchboards Remote control 



CHAPTER XV 



OPERATION AND CARE OF ELECTHK M.\< HINKRY 428 



1 . Location of machinery Effect of dust and moisture. 2. Gen- 

 eral precautions before starting a machine. 3. Tabulated list of 

 faults likely to occur in operation of m-m-ratore and motors. 4. 



i'ion of grounds, open circnif-d and >},, d coils. 



