192.369—Service lines: Connections to cast iron or ductile iron mains.
               		
               	 	
               	 	
               	 	               	 	               	 	               	 	               	 	
               	 	
    
        
        (a) 
         Each service line connected to a cast iron or ductile iron main must be connected by a mechanical clamp, by drilling and tapping the main, or by another method meeting the requirements of  § 192.273.
     
    
        
        (b) 
         If a threaded tap is being inserted, the requirements of  § 192.151 (b) and (c) must also be met.