plate sandwiched between two bus bars preferably in the shape of plates the bus bars are at different potentials in operations and the bus voltage is the voltage difference across the bars laminated bus as used herein includes a bus comprised of layers in a fixed relation to one another they can be fixed with adhesive fasteners etc insulator plate as used herein includes an insulating material where the surface area is large relative to the thickness conductive plate as used herein includes a conductor having a surface area large relative to the thickness referring now to fig1 2 a bus 100 in accordance with the preferred embodiment includes a conductive plate 102 an insulator plate 104 and a conductive plate 106 abutting against one another they are mounted in a housing or box 108 plate 102 is electrically connected to one terminal of a capacitor bank 110 and to one terminal of parallel switches 112 capacitor as used herein includes one or more capacitors in parallel or series and switch as used herein includes one or more capacitors in parallel or series box as used herein includes an enclosure but need not be a particular shape plates 102 106 include holes therethrough for mounting screws or other fasteners to attach to the terminals of and or to affix the plates in position as can be seen in fig2 which is a top view of plate 102 plate 102 has a long dimension of over about 11 inches and a width of over about 7 inches the surface area is about 70 square inches the thickness or depth of plate 102 is.