Symbol 5534 from IEC 60417 - Title/Meaning: Power plug Function/description: To identify connecting means (e.g. plug or cord) to the power source (mains) or to identify the storage place for the connecting means.
Additional information: 
Published in: Supplement M, 1994
Own work using: iso.org/obp/graphics/grs/6aafbec6-b9d5-4623-9cd7-96278c495579 200.png
Vectorization:  Mrmw