Technical rule [CURRENT]
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This supplement provides a comprehensive subject-related compilation of standardized graphic symbols that are applied to switches and plug-in devices. The responsible committee is DKE/UK 542.1 "Schalter und Steckvorrichtungen für den Hausgebrauch und ähnliche Zwecke" ("Switches and plug/socket connections for household and similar use") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE.