IEC 62820-1-1 specifies the technical requirements for building intercom systems and equipment used for building entry.
PUBLISHED
IEC 62820-1-1:2016 ED1
PROJECT
IEC 62820-1-1 ED2
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Dec 12, 2025
Building intercom systems - Part 1-1: System requirements - General
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
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