A cross connect panel having a switchable slider assembly for positive engagement and disengagement of the loads to the supply buses. A resilient detent mechanism is provided for positive indexing of the slider assembly in alignment position with the various supply buses. The parallel supply buses are held in place by a system of bus holders and interlocking spacers and the bus bar assembly is held together by bolts through the interlocking spacers, thereby avoiding the necessity of drilling bolt holes in the bus bars and providing proper insulation therefor.