Symbol 3064 from ISO 7000 - Title/Meaning: Four pole high voltage connector cavity for defibrillator Function/description: To identify a four pole high voltage (DF-4) connector cavity on the defibrillator.
Additional information: 
The header shape is included in this symbol to show perspective
In the clinical setting ""four pole high voltage connector cavity for defibrillator"" is commonly referred to as ""DF4"". A clinician would identify this symbol as ""DF4"" or ""DF4 connector cavity"" employing terms familiar to the discipline
Own work using: iso.org/obp/graphics/grs/8d446e46-4e5b-4d67-9408-4ea9e5648d48 200.png
Vectorization:  Mrmw