Abstract: The invention provides for an electrical connection socket including an insulating block comprising a central protuberance. A plurality of peripheral contact housings are arranged in the insulating block. Each peripheral contact housing includes an electrical contact. Each peripheral contact is adapted to mate with a corresponding pin when the electrical connection socket is coupled to an electrical connection plug. A safety disk is provided having a central opening and at least a same number of peripheral through openings as there are electrical contacts. The central opening of the safety disk is adapted to receive at least a portion of the central protuberance of the insulating block. The safety disk is rotatably mounted to the insulating block so as to form explosive proof joint between at least two surfaces.

Abstract: Electrical waterproof coupler socket is provided with a body including housings containing contacts and openings for passage of opposing contacts of another device. A protective flap is translationally slidably mounted on the body and includes apertures arranged in a same number and manner as the openings of the body, and includes at least one blocking zone. The flap is slidable between at least one blocking position where the at least one blocking zone blocks the openings, and an opening position where the openings and apertures are superimposed, with the at least one blocking zone comprising a plane that is inclined towards the opposing surface of the flap from front-to-rear with respect to the direction in which the flap translates towards the opening position.