Wiring base, wire-wound member production method, wire-wound member, and electrical connection box

The present invention relates to a wiring base, wire-wound member production method, a wire-wound member, and an electrical connection box. A wiring base made from an electrical insulating material and having a plurality of wing sections radially protruding against the central axis thereof functioning as a rotation axis in a wiring work with electric wire grooves each for accommodating therein an electric wire provided in the substantially concentric form, a wire-wound member production method, wire-wound member, and an electrical connection box using the wire-wound member therein.