| 摘要 |
FIELD: electricity. ^ SUBSTANCE: invention refers to connection element between the first electric screening device arranged around electric wiring input, with at least one tubular isolating barrier arranged around electric wiring input, and at least one second electric screening device arranged around electric wiring input, at least one tubular isolating barrier arranged around electric wiring input. Connection element is provided at least with two tubular isolating barriers which can be moved into electric screening devices. ^ EFFECT: quick and easy development of through barrier system around electric wiring input even if screening device is made of various segments. ^ 24 cl, 6 dwg |
