{HEAD ~ A pair} of {TAIL ~ insertion bars} are provided, one being attached to each arm so that when the arms are pivoted into their closed position the bars engage and insert the conductors into their respective contact terminals 
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{ HEAD ~ A pair } of { TAIL ~ insertion bars } are provided , one being attached to each arm so that when the arms are pivoted into their closed position the bars engage and insert the conductors into their respective contact terminals
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH