The electrical connector 6, wherein the first housing portion provides a plurality of {HEAD ~ lead} in {TAIL ~ bars} located adjacent the front surface thereof and covering the first edges of the substrates so that the signal contacts and grounding terminals of the female connector are prevented from wiping against of corners of the first edges of the substrates when the first housing portion engages with the dielectric member 
The electrical connector 6 , wherein the first housing portion provides a plurality of { HEAD ~ lead } in { TAIL ~ bars } located adjacent the front surface thereof and covering the first edges of the substrates so that the signal contacts and grounding terminals of the female connector are prevented from wiping against of corners of the first edges of the substrates when the first housing portion engages with the dielectric member
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