Cable jacket for an electrical or optical conductor
A cable jacket for a conductor is disclosed having a flame-retardant insulation and a gas-permeable, heat-resistant outer casing. The flame-retardant insulation is positioned over the conductor so as to at least partially surround the conductor. The gas-permeable, heat-resistant outer casing surrounds the flame-retardant insulation.
1. A cable jacket for a conductor comprising:
a flame-retardant insulation layer positioned on the conductor so as to at least partially surround the conductor, the insulation layer including an intumescent flame-retardant; and
a gas-permeable, heat-resistant outer casing layer containing quartz and/or basalt that surrounds the flame-retardant insulation layer, the insulation layer and the outer casing layer being the only layers of the cable jacket.
2. The cable jacket of claim 1 , wherein the outer casing layer is a flexible or resilient material.
3. The cable jacket of claim 1 , wherein the outer casing layer includes a knitted fabric, a braided fabric or a woven fabric.
4. The cable jacket of claim 1 , wherein the outer casing layer is constructed as a tube or a mat.
5. The cable jacket of claim 1 , wherein the outer casing layer is produced from a quartz filament having a diameter of 5-15 μm.
6. The cable jacket of claim 1 , wherein the outer casing layer is produced from a quartz filament having a diameter of 8-12 μm.
7. The cable jacket of claim 1 , wherein the outer casing layer is produced from a quartz filament having a diameter of approximately 11 μm.
8. The cable jacket of claim 1 , wherein the insulation layer includes a mineral flame-retardant.
9. The cable jacket of claim 1 , wherein the outer casing layer is an outermost layer disposed around the conductor.
10. The cable jacket of claim 9 , wherein the outer casing layer directly abuts the insulation layer and the insulation layer directly abuts the conductor.
11. A construction kit for producing a cable connection or a cable joint, comprising:
a cable jacket including a fire-retardant insulation layer disposed on a conductor, the insulation layer including an intumescent flame-retardant, and an outer casing layer disposed on the insulation layer, the outer casing layer produced from a gas-permeable, heat-resistant material and including quartz and/or basalt, the insulation layer and the outer casing layer being the only layers of the cable jacket.
12. The construction kit according to claim 11 , wherein the outer casing layer is mechanically flexible or resilient in an assembled state.
13. The construction kit of claim 11 , wherein the outer casing layer includes a knitted fabric, a braided fabric or a woven fabric.
14. The construction kit of claim 11 , wherein the outer casing layer is constructed as a tube or a mat.
15. The construction kit of claim 11 , wherein the outer casing layer is produced from a quartz filament having a diameter of 5-15 μm.
16. The construction kit of claim 11 , wherein the outer casing layer is produced from a quartz filament having a diameter of 8-12 μm.
17. The construction kit of claim 11 , wherein the outer casing layer is produced from a quartz filament having a diameter of approximately 11 μm.
18. The construction kit of claim 11 , wherein the insulation layer includes a mineral flame-retardant.
19. The construction kit of claim 11 , further comprising an outer bushing formed of a shrinkable material surrounding the outer casing layer.
20. The construction kit of claim 11 , further comprising a cable lug connected to an end of the conductor at a connection location, the insulation layer surrounding the connection location.