An electrical cabinet including an enclosure designed to house a plurality of electrical equipment units, a plurality of electrical cable bundles attached to a face of the enclosure for the electrical connection of the electrical equipment units. The cabinet additionally includes a wiring support including support elements arranged cross-wise whereon electrical cable bundles are assembled, and wherein the wiring support includes fasteners for attachment thereof to the face of the enclosure, the electrical cables being capable of assembly to the wiring support before it is fixed to the enclosure.