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Normas BSI – AENOR
BS EN 50289-4-17:2015

BS EN 50289-4-17:2015

Communication cables. Specifications for test methods. Test methods for UV resistance evaluation of the sheath of electrical and optical fibre cable

Fecha:
2015-11-30 /Definitive
Comité:
EPL/46
Equivalencias internacionales:

EN 50289-4-17:2015

Relación con otras normas BSI:

Reemplaza a: BS EN 50289-4-17:2011

Resumen:

This European Standard describes three methods to determine the UV resistance of sheath materials for electric and for optical fibre cables. These tests apply for outdoor and indoor cable applications according to the product standard. The samples of sheath are taken from the finished cables.

Although this test method European Standard is written principally for communication cables, it may be used for energy cables if called up by the relevant product standard.

Where a sheath is of cross-linked (thermosetting) material, it should be recalled that the preparation of moulded plaques should be made before crosslinking.

Methods differ by the nature of the UV source.

Due to the excessive time to failure, the methods described are inappropriate to products where UV resistance is conferred by = 2,0 % carbon black meeting the dispersion requirements defined in EN 50290-2-24 .

Keywords:
Communication transmission lines, Weathering, Artificial ageing tests, Communication cables, Ultraviolet radiation, Fibre optic cables, Environmental testing, Light, Test equipment, Ageing tests, Cable sheaths, Deterioration, Electric cables
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