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How to identify inferior cables(3)?

Latest company news about How to identify inferior cables(3)?

3. Wire and cable with aging insulation layer


The unqualified tensile strength and elongation of the insulating sheath before aging directly greatly shortens the working life of the wire and cable, and the insulator is easily broken during construction or in a long-term energized and high-temperature environment, resulting in live conductors. If exposed, there is a risk of short circuit that can cause electric shock. The main reasons for its failure are: first, the use of recycled materials for production to reduce product costs; second, small enterprises that do not have production qualifications cut corners for profit.

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