A modular electrical component includes a mating keying arrangement complimentary to the keying arrangement in the channel, and thereby only allows {HEAD ~ the modular electrical component} to be insertable into {TAIL ~ the channel} and coupled with a corresponding electrical terminal array in a preselected orientation 
to be insertable into
A modular electrical component includes a mating keying arrangement complimentary to the keying arrangement in the channel , and thereby only allows { HEAD ~ the modular electrical component } to be insertable into { TAIL ~ the channel } and coupled with a corresponding electrical terminal array in a preselected orientation
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH