LG LZ-H100GXN0 - Manual (Page 8)

Electrical Safety
Electrical Safety
WARNING: This appliance must be properly grounded.
To minimize the risk of electric shock, you must always plug into a grounded outlet.
WARNING: Do not cut or remove the grounding prong from the
power wire.
WARNING: Attaching the adapter ground terminal to the wall
receptacle cover screw does not ground the appliance unless the
cover screw is metal and not insulated, and the wall receptacle is
grounded through the house wiring.
WARNING: If you have any doubt whether the ventilator is properly
grounded, have the wall receptacle and circuit checked by a
qualified electrician.
Preferred method
Ensure proper ground
exists before use
8 Ventilator