Abstract: A flexible busbar includes a central conductor (generally of rectangular cross section comprising multiple layers of thin aluminum, copper or other alloys with good electrical properties (conductivity)) and a sleeve having a shape on the internal surface to reduce the adhesion between the two conductors and the sleeve when the flexible busbar is bent, folded, or twisted. This increases the flexibility of the flexible busbar.

Abstract: A flexible busbar includes a central conductor (generally of rectangular cross section comprising multiple layers of thin aluminum, copper or other alloys with good electrical properties (conductivity)) and a sleeve having a shape on the internal surface to reduce the adhesion between the two conductors and the sleeve when the flexible busbar is bent, folded, or twisted. This increases the flexibility of the flexible busbar.

Abstract: An electrical clip for attaching an electrical conductor to the face of a bar characterized by a U-shaped rigid housing having opposed windows through which a conductor may be inserted, spring legs shaped to embrace and snap around both edges of a bus bar and hold the bus bar securely. The clip also includes a clamp screw and blade to compress a conductor inserted through the windows against the face of the bus bar.

Abstract: A crucible for exothermic welding includes a frame and two semi-cylindrical or rectangular refractory blocks which include abutting planes through a reaction chamber and a sprue hole. One block is mounted for movement with respect to the other from an aligned mating position forming the chamber and sprue hole to an offset position which movement loosens slag formed during the welding process, and greatly facilitates cleaning. Adjustable spring ball rollers maintain the parting plane pressure.

Abstract: The mold includes a refractory body forming a weld chamber. Exothermic welding material in a crucible above forms molten metal which drops into the weld chamber through a tap hole or open top. The mold includes sleeving passages formed by projecting metal guide tubes extending upwardly at an angle from horizontal to a position above the level of molten metal forming the weld. In this manner, the molten metal is contained within the weld cavity of the mold without packing, adapter sleeves or shims. The guides extend upwardly at an angle from the weld chamber, or as a V with two symmetrical guides. The inside diameters of the guides are larger than normal passages and accordingly accommodate a wide variety of cable sizes without interference with or abrasion of the sleeving passages. This enables one mold to accommodate more sizes, avoids the use of packing, adapter sleeves or shims, and maintains the weld chamber well vented.