a surgical apparatus for performance of a surgical procedure on body tissue is provided and includes a housing , an elongate tubular member , a drive assembly , an electrical coupling component , and an electrical wire . the elongate tubular member is at least partially supported by the housing and defines a center lumen and a longitudinal axis . the drive assembly extends from the housing into the center lumen of the elongate tubular member . the electrical coupling component is located about the drive assembly . the electrical wire extends from within the housing into the elongate tubular member . the electrical wire is wrapped about the electrical coupling component , which allows the elongate tubular member to rotate about the longitudinal axis while allowing the electrical wire to be fixed within the housing and the elongate tubular member .