A cover plate for wall-mounting at least one electrical apparatus is described. The cover plate comprises: a base to be fixed to a mounting bracket; at least one decorative portion coupled to the base and provided with a window; at least one portion of electrically conductive metal material and/or at least one surface coated with electrically conductive metal material; and at least one electrically conductive grounding element comprising at least one fixing portion adapted to be interposed and clamped between the base and the decorative portion for fixing the grounding element.
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