Registration number (WIID)Project No.TitleStatus
56734prEN 50XXXRevision of SS 455 12 00, 01, 02, 03, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 30, 32, 33, 34, 35, 36, & 38. - Record system for telephone, signalling and datacommunication plantsIzstrādē
69949CLC/TR 50174-99-2:2020Information technology - Cabling installation - Part 99-2: Mitigation and protection from electrical interferenceIzstrādē
79243FprEN 50174-4:2025Information technology - Cabling installation - Part 4: Testing of installed optical fibre cablingIzstrādē
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