Symbol 6092 from IEC 60417 - Title/Meaning: Class II equipment with functional earthing; Class II equipment with functional grounding (US) Function/description: To identify class II equipment with functional earthing (grounding).
Additional information: 
The original description of IEC 60417-6092 (2011-10-08) was ""To identify a piece of class II equipment with the functional earthing (grounding).""
Own work using: iso.org/obp/graphics/grs/eea87d7b-7d61-4c5e-8c34-213751627fc3 200.png
Vectorization:  Mrmw