The number of contacts required to independently control {TAIL ~ the N components} is substantially less than the total number of {HEAD ~ terminals} 
The number of contacts required to independently control { TAIL ~ the N components } is substantially less than the total number of { HEAD ~ terminals }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD