1. Nozzle tubes protection of electrical installations, improved, characterized in that comprises a hollow cylindrical body of low height, with uncovered basis of which one is the step for applying the protective tube installed cables and one for the protected output of said cables for which purpose on the inner face of the metal body and centrically presents a agargantado and the corresponding output wires one lipped edge and that is covered with an insulating protection thermoplastic material that links channel and said lip, wherein the outer surface the insulating protection conferred conventional molding. 2. Nozzle protection tubes improved electrical installations.
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