{TAIL ~ The electrical contactor} 8, wherein {HEAD ~ said controller} generates said pulse width modulated signal at a frequency of approximately 2 KHz 
{ TAIL ~ The electrical contactor } 8 , wherein { HEAD ~ said controller } generates said pulse width modulated signal at a frequency of approximately 2 KHz
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH