Fully insulated clamp connectors for electrically joining insulated wires include molded top and bottom insulating halves bolted together, longitudinal mating grooves in each half for the insulated wires, bridging plates with insulation piercing teeth inserted in slots in each half with the teeth protruding...http://www.google.fr/patents/US4427253?utm_source=gb-gplus-shareBrevet US4427253 - Fully insulated electrical clamp connector with inboard insulating tab and slot
Fully insulated electrical clamp connector with inboard insulating tab and slot
