FIELD: electrical engineering. SUBSTANCE: junction unit has connector incorporating frame and conductor-clamping wiper set in motion by means of clamping screw located under pocket in shroud accommodating mentioned connector. Wiper is U-shaped device with one flange which is on same level as screw head; flange carries movable insulating cap on its front part that follows wiper displacement and provides access to screw head. EFFECT: facilitated handling and improved safety of junction unit. 10 cl, 5 dwg
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