FIELD: electricity.
SUBSTANCE: object of this invention is a connecting accessory (100) for connection between internal spaces (21, 11) of an electric instrument box (20) and a wiring duct (10) to lay electric cables or wires, installed outside on the wall, at the same time the connecting accessory comprises a wiring channel. According to the invention, the accessory comprises a flexible diaphragm (200), covering the section of the specified wiring channel, at the same time the flexible diaphragm is arranged with the possibility of pressing around each electric wire or cable passing through it (1).
EFFECT: sealing of a cable channel, which isolates ingress of air flows into an instrument box.
17 cl, 12 dwg
