Panelboard

Claim 1

AN ELECTRIC PANELBOARD ASSEMBLY COMPRISING: (A) A MAIN SUPPORT, (B) AT LEAST TWO ELONGATED ELECTRICAL BUS BARS SUPPORTED IN SPACED APART CO-PLANAR SUBSTANTIALLY PARALLEL RELATION ON SAID SUPPORT, (C) A PLURALITY OF GENERALLY BOX-LIKE ENCLOSURES SUPPORTED ON SAID SUPPORT IN SUPERIMPOSED RELATION TO SAID BUS BARS AND IN CLOSE SIDE-BY-SIDE RELATION IN A ROW EXTENDING PARALLEL TO SAID BUS BARS, (D) EACH OF SAID ENCLOSURES INCLUDING OPENABLE COVER MEANS, (E) ELECTRICAL CONTROL APPARAUS CONTAINED IN EACH OF SAID ENCLOSURS, (F) MEANS CONNECTING SAID ELECTRICAL APPARAUS TO SAID BUS BARS COMPRISING AT LEAST ONE BRANCH CONNECTING STRAP FOR EACH OF SAID BUS BARS, (G) EACH OF SAID BRANCH CONNECTING STRAPS HAVING ONE END THEREOF CONNECTED TO SAID ELECTRICAL APPARATUS IN SAID ENCLOSURE BY MEANS ACCESSIBLE THROUGH SAID OPENABLE COVER, (H) EACH OF SAID BRANCH CONNECTING STRAPS HAVING THE OTHER END THEREOF PROJECTING BEYOND THE OUTLINE OF SAID ENCLOSURE AND DISPOSED AND ARRANGED TO BE CONNECTABLE TO ONE OF SAID BUS BARS FROM THE FRONT OF SAID PANELBOARD ASSEMBLY WHEN SAID ENCLOSURE IS IN MOUNTED POSITION ON SAID PANELBOARD ASSEMBLY AND BEFORE THE SUCCEEDING ENCLOSURE IS MOUNTED IN PLACE ON SAID PANELBOARD ASSEMBLY, (I) EACH SUCCEEDING ENCLOSURE WHEN IN MOUNTED RELATION OVERLYING SAID CONNECTIONS BETWEEN SAID BUS BARS AND SAID BRANCH CONNECTING STRAPS OF THE PREVIOUSLY INSTALLED ENCLOSURE, (J) EACH OF SAID ENCLOSURES WITH ITS CONTROL APPARATUS BEING REMOVABLE FROM THE FRONT OF SAID PANELBOARD ASSEMBLY BY RELEASING SAID BRANCH CONNECTING STRAP CONNECTING MEANS ACCESSIBLE THROUGH SAID OPENABLE COVER.