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  4.5.1c  
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4.1.1 4.1.2 4.5.1 4.5.2
 
   
 
4.5.1a 4.5.1b 4.5.1c
 
   
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  Question:  
 
  4.5.1  Sketch a picture of three switch contacts in:
    c.)  Which circuit can monitor three alarm contacts on one signal line?		  
 
Answer:
   
 
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