force required to insert activation key 60 into contact springs 82 which are located on circuit board 20 it may be desirable to modify the means by which circuit board 20 is mounted into base 14 for example it may be desired to rigidly affix circuit board 20 to base 14 near slot 84 to prevent deflection of circuit board 20 during insertion of key 60 optionally protective cover 18 may be fitted with one or more ribs not shown that extend to the upper surface of circuit board 20 when protective cover 18 is snapped into place the purpose of such ribs is to hold circuit board 20 down securely in place such that it is not deflected by the force required to insert activation key 60 activation key 60 may have a different shape than that disclosed above for example fig1 shows one of many optional keys 60 u2032 shaped for a corresponding base that may guide this key 60 u2032 through a slotted circuit board 20 into contact with one or more pairs of spring contacts 82 two notches 61 63 on each side of activation key 60 u2032 provide two distinctive positions for the inserted key the two upper notches 63 corresponding to the off position and the two lower notches 61 corresponding to the on position when the activator is mated with two molded in.