Flame-retardant optical cable test

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Key characteristics: IEC 60332-1-2 is commonly specified for residential, commercial, and low-risk environments. Corning Optical Communications manufactures quality flame retardant optical fiber cables for indoor applications, which comply with the requirements of the National Electric Code® (NEC® 2023) published by the National Fire Protection Agency (NFPA). Additionally in order to pass the test the distance from the upper beginning of carbonisation above the point of flaming to the bottom start of carbonisation (below the point of flaming) shall not exceed 425 mm. If the carbonisation expands more than 540 mm from the lower end of the upper fixing. Understanding IEC 60332 testing helps engineers, contractors, and project managers choose the right cable solutions to limit flame spread and improve overall fire safety. The unique design features extended Fire Resistant properties (XFR) which secure operation during fire test with bending and impact from hammer shock. Its structure is mainly composed of cable core, longitudinal covering a layer of two-sided synthetic mica tape outside cable core, inner sheath packed with ceramic sheathing.

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