UNE-EN IEC 60794-6-20:2020 Optical Fibre Cables - Part 6-20: Indoor-Outdoor cables - Family specification for Flame Retardant Outdoor cables (Endorsed by Asociación Española de Normalización in January of 2021.)
2021UNE-EN IEC 60794-6-20:2020 Optical Fibre Cables - Part 6-20: Indoor-Outdoor cables - Family specification for Flame Retardant Outdoor cables (Endorsed by Asociación Española de Normalización in January of 2021.)