FIELD: electric cable fastening devices. SUBSTANCE: guiding trough has longitudinal parallel sides, between which power circuits may be unwound in longitudinal direction. Guiding trough is composed of a number of sides abutting with their ends lengthwise of trough. Sides have hollow profile of stable shape and are connected through connecting members positioned between opposite side ends and adapted for attachment of one side to another and to supporting construction. EFFECT: wider operational capabilities, light weight, low noise emitting level, simplified construction and enhanced reliability in operation. 5 dwg
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