This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Electrical Symbols IEC.svg en collection of IEC symbols as an attempt to unify electrical symbols The basic unit is px because inkscape uses px as unit to store svg The grid is px line thickness is px terminals are placed in multiples of px own Emareg other versions cczero SVG electrical symbols Uploaded with