100 to include a rotatably mounted table 102 defining a circular path of movement 104 a plate like contact pad 106 is disposed on an upper surface 108 of table 102 table 102 is mounted for rotation due to a conventional pivoting means affixed to substrate 14 contact pad 106 has a tapered leading edge 110 which is tapered in a radial sense to provide an advantageous timing relationship as will be explained herein table 102 is mounted to the underside of dielectric substrate 14 and the window like aperture 112 provides communication with path 104 from components lying on upper substrate surface 16 in the preferred embodiment contact pad 106 has an upper wiping surface projecting above upper table surface 108 accordingly to provide a smooth transition a ramp like member 114 is provided from the same metal plate from which contact pad 106 is stamped although ramp 114 can be electrically connected it is electrically isolated in the preferred embodiment an elongated moveable support arm 118 is connected to stamped circuit 12 through a cantilever spring beam 120 the cantilever spring beam 120 is formed as an integral part of the stamped circuit 12 and the movable support arm 118 as spring beam 120 flexes in the approximate direction of arrow 122 support arm 118 is moved in directions transverse to path 104 as generally indicated by arrow 124 support arm 118 is joined at a first end to a finger like contact 128 having bifurcated contact surfaces 130 which slide along the upper surface of ramp 114.