An electric connection structure for {TAIL ~ at least one electric device} has slit blade insulation piercing connectors and {HEAD ~ additional plug connectors} for connecting conductive parts 
An electric connection structure for { TAIL ~ at least one electric device } has slit blade insulation piercing connectors and { HEAD ~ additional plug connectors } for connecting conductive parts
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH