Symbol 5115 from IEC 60417 - Title/Meaning: Signal lamp Function/description: To identify the switch by means of which the signal lamp(s) is (are) switched on or off.
Additional information: 
Published in: First edition, 1973
Own work using: iso.org/obp/graphics/grs/6896aa84-90de-4c4b-b165-1872e62286fc 200.png
Vectorization:  Mrmw