Symbol 5008 from IEC 60417 - Title/Meaning: ""OFF"" (power) Function/description: To indicate disconnection from the mains, at least for mains switches or their positions, and all those cases where safety is involved.
Additional information: 
See also symbol 5265
Published in: First edition, 1973
Own work using: iso.org/obp/graphics/grs/9c65c972-0451-4864-b428-16a284287912 200.png
Vectorization:  Mrmw