A method of forming a stator assembly, comprising: grouping a plurality of individual insulated conductive wires into a conductive bundle, wherein the conductive bundle includes a plurality of discrete bundles of individual insulated conductive wires, and wherein each discrete bundle is individually twisted a multiple of 360° before at least one portion of the conductive bundle is twisted by a predetermined amount; and placing the portion of the conductive bundle in a stator core slot extending from a first end of a stator core to a second end of the stator core; such that the portion of the conductive bundle is twisted by a predetermined amount within the stator core slot to reduce a circulatory current along the plurality of individual insulated conductive wires in the portion; wherein said step of placing a portion of the conductive bundle in the stator core slot comprises: a) inserting a first portion of the conductive bundle into a first stator core slot; b) twisting the conductive bundle such that the first portion is twisted by the predetermined amount within the first stator core slot; c) inserting a second portion of the conductive bundle into a second stator core slot; and d) twisting the conductive bundle such that the second portion is twisted by the predetermined amount within the second stator core slot, wherein the twisting of each discrete bundle by a multiple of 360° occurs along the portions accommodated in the stator coil slots. grouping a plurality of individual insulated conductive wires into a conductive bundle, wherein the conductive bundle includes a plurality of discrete bundles of individual insulated conductive wires, and wherein each discrete bundle is individually twisted a multiple of 360° before at least one portion of the conductive bundle is twisted by a predetermined amount; and placing the portion of the conductive bundle in a stator core slot extending from a first end of a stator core to a second end of the stator core; such that the portion of the conductive bundle is twisted by a predetermined amount within the stator core slot to reduce a circulatory current along the plurality of individual insulated conductive wires in the portion; wherein said step of placing a portion of the conductive bundle in the stator core slot comprises: a) inserting a first portion of the conductive bundle into a first stator core slot; b) twisting the conductive bundle such that the first portion is twisted by the predetermined amount within the first stator core slot; c) inserting a second portion of the conductive bundle into a second stator core slot; and d) twisting the conductive bundle such that the second portion is twisted by the predetermined amount within the second stator core slot, a) inserting a first portion of the conductive bundle into a first stator core slot; b) twisting the conductive bundle such that the first portion is twisted by the predetermined amount within the first stator core slot; c) inserting a second portion of the conductive bundle into a second stator core slot; and d) twisting the conductive bundle such that the second portion is twisted by the predetermined amount within the second stator core slot, wherein the twisting of each discrete bundle by a multiple of 360° occurs along the portions accommodated in the stator coil slots.