| 摘要 |
<p>The invention relates to a fire-resistant safety cable (10; 20; 30; 40; 50) comprising at least two electric conductors (2a, 2b), which are separated from each other by at least one space (5), a common insulating layer (3), which surrounds the electric conductors (2a, 2b), fills said space(s) (5) and is made from a polymer material convertible, at least superficially, into a ceramic state at fireplace high temperatures and an outer sheath (4) enveloping said insulating layer (3).</p> |
