Patent ID: 7405357

Claim:
A frame section for use in a framework having an interior and an exterior, the frame section comprising: a support section including a cavity extending in a longitudinal direction, the cavity being at least partially open along an interior longitudinal side, the longitudinal side facing the interior of the framework; a plurality of busbars embedded in insulation, the insulation comprising a plurality of longitudinal grooves having the plurality of busbars fully recessed therein, each groove being open to the cavity outward from the busbar therein such that one side of the busbar is fully uninsulated and in direct communication with the cavity, the plurality of busbars and the insulation being disposed within the cavity, extending in the longitudinal direction and accessible from the longitudinal side; and an exterior angularly-profiled wall section spaced apart from the support section, the wall section defining a fully open, recessed space for accessories at a corner region of the frame section spaced away from the longitudinal side and facing the exterior of the framework, a portion of the wall section being in a plane that intersects a plane along the longitudinal side at about 45°.