Control center with insulated bus bars

Claim 1

A control center for distributing electric power from a power supply source to power consuming devices, comprising a cabinet having a plurality of vertical compartments on the front side of the cabinet, a plurality of vertical, horizontally spaced, bus bars in said cabinet, an electrically insulative barrier encasing the bus bars with the surfaces of each bus bar being in surface-to-surface contact with the barrier, the barrier being substantially coextensive with the bus bars and consisting of a dielectric material having good heat transfer properties, the barrier comprises a sheet-like member on each side of the spaced bus bars which members have interfitting portions including a flange-receiving groove in one member and a flange in the other member and extending between each pair of adjacent bus bars, the sheet-like members on opposite sides of the bus bars being substantially coextensive, at least one circuit interrupter structure in the compartments and movable transversely into and out of position adjacent to the bus bars, said structure comprising a contact member engaging the bus bar, and the barrier having openings through which portions of the bus bars extend.