011654112 Jumper (Busbar), Jumper, Standard Terminal Blocks, 10 Ways. The 11654112 is a 10-way Jumper Bar for use with the standard terminal blocks. This permits the interconnection of consecutive or non-consecutive blocks. The use of two bars permits alternated jumping. A captive screw is mounted on each stud. This jumper bar is delivered with a protective cover snapped onto the top of the block, assuring protection against touch