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Optical fibre cables - Outdoor cables. Product specification for optical self-supporting aerial telecommunication cables for use in premises cabling seo-ignore BS EN ISO 4497:2020 supersedes

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BS EN ISO 4497:2020 supersedes BS EN 24497:1993

BS EN IEC 60051‑5:2018 includes the following significant technical changes with respect to the previous edition:

Unscreened cores and a rated voltage 640/1100 V: types 20 and 21 or

designation of the bolt

Optical fibre cables - Outdoor cables. Product specification for optical self-supporting aerial telecommunication cables for use in premises cabling seo-ignore BS EN ISO 4497:2020 supersedesWhat is BS EN 60794 3 21 Product specification for optical self supporting aerial telecommunication cables about? BS EN 60794 3 21 is a safety standard on optical fibre cables. BS EN 60794 3 21 is a product specification. BS EN 60794 3 21 presents the detailed requirements specific to optical self supporting aerial telecommunication cables for use in premises cabling to ensure compatibility with ISO IEC 11801 and ISO IEC 24702. Note: The requirements

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