An electrical connection unit includes an electrical junction box that incorporates a capacitor and has (a) a body that has an electronic component accommodating space accommodating the capacitor via an opening; and an electric wire receiving space receiving an electric wire electrically connected to a terminal of the capacitor, and (b) an electrically conductive grounding member that grounds a grounding terminal of the capacitor and integrally includes: a connecting portion electrically connected to the grounding terminal; a cover portion covering the opening of the electronic component accommodating space; a locking to be locked with corresponding locking portions of the body; a bending preventing portion preventing inward bending one of the locking portions of the body which may cause one of the locking portions of the grounding member to be accidentally detached from the corresponding locking portion of the body; and a grounding portion.