Symbol 0847 from ISO 7000 - Title/Meaning: Full-wave welding current 
Function/description: To identify the device on resistance welding equipment by which welding with full-wave welding is possible.
Own work using: iso.org/obp/graphics/grs/e99e22b8-4aef-4991-98b6-7a4d6a57669f 200.png
Vectorization:  Mrmw