Low voltage electrical installations - Part 4-42: Protection for safety - Protection against thermal effects - Clause 421.7: Requirements for the use of arc fault detection devices (AFDDs)
German title
Errichten von Niederspannungsanlagen - Teil 4-42: Schutzmaßnahmen - Schutz gegen thermische Auswirkungen - Abschnitt 421.7: Anforderungen zum Einsatz von Fehlerlichtbogen-Schutzeinrichtungen (AFDDs)
Date of issue
2017-12-22
Publication date
2018-01
Original language
German
Pages
5
Date of issue
2017-12-22
Publication date
2018-01
Original language
German
Pages
5
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