FIELD: communication. SUBSTANCE: protective cap for modules, specifically, connection or disconnection straps of long-distance communication equipment which carry several contacts arranged in single row as minimum, is employed to prevent circulation of air in vital zones, in zones with contact, in particular. Cap is mounted for putting over at least one module and embraces one zone of contacts as minimum. Cap is fitted with sealing element manufactured in the form of frame with one slot whose edges snugly fit to module or modules and/or cables leading to contacts of module or modules. EFFECT: improved protection of modules of communication equipment. 19 cl, 3 dwg
