DIFF Subgroup
F21S 4/10 with light sources attached to loose electric cables, e.g. Christmas tree lights
Introduced: January 2016
Full Title
Lighting devices or systems using a string or strip of light sources > with light sources attached to loose electric cables, e.g. Christmas tree lights
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 2016.
Child Classifications
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- F21S 4/15 the cables forming a grid, net or web structure since 2016 IPC+CPC Available in IPC and CPC