FIELD: repairs of communication line cables laid in soils of all kinds in cable conduits, manifolds, and tunnels.
SUBSTANCE: proposed method includes installation of split lead bushing on aluminum sheath of each cable followed by shifting both bushings along cables away from spliced joint of cable conductors, running exposed sections of aluminum sheath over with tin, fitting bushings back in place, and soldering them to tinned sections of aluminum sheath; at the same time longitudinal seam on bushings is soldered, ends of bushings are sealed by thermosetting tape, junction box is installed above spliced joint, and its butt-ends are soldered to bushings. In order to repair outer shielding hose, junction box and adjacent cable sections are covered with sealing compound and moist-cured bandage.
EFFECT: improved repair quality, enhanced service life of junction box due to elimination of electrochemical corrosion.
3 cl, 1 dwg
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