injection of the polymeric material second member 120 is pivotably positioned within first member 104 by sleeve 136 spring 134 causing second member 120 to be rotated such that distal end 142 of electrode 130 is displaced angle 140 from line 144 fig1 a through 11 d depict a second subassembly 150 of device 100 member 152 has a proximal end 154 with mounting holes 156 and locating hole 158 and a distal end 160 from which protrudes lower clamping jaw 162 which is electrically connected to connector portion 164 in a preferred embodiment member 152 is injection molded form a suitable polymeric material and lower clamping jaw 162 and connector portion 164 are portions of a stamping formed from stainless steel titanium nickel or another suitable conductive or metallic material the stamping being inserted into the injection mold prior to injection of the polymeric material mounting block 168 is mounted to proximal end 154 of member 152 by pins 170 lateral surface 172 of block 168 has a plurality of protuberances 174 which form a labyrinth strain relief for an electrical cable placed therein upper surface 169 of block 168 has formed thereon cylindrical protrusion 171 which engages locating hole 158 in member 152 when block 168 is mounted to member 150 ratchet arm 176 is pivotably mounted in channel 178 of.