| 摘要 |
Nonflammable electrical cable resistant to combustion under current overload conditions. The cable conductor is constituted by one or more composite metal strands. Each strand has an aluminum base core clad with copper and has an outer layer of silver, nickel or tin. The conductor is wrapped with flexible fire-resistant insulating material and the facing areas of the wrapping are sealed with an adhesive which is kept out of contact with the conductor. When subjected to a current overload in an oxygen atmosphere the strand fuses, thereby interrupting the current, before either the insulating material or the adhesive can ignite.
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