A double-insulated appliance is marked with one or more of the following: The words
“DOUBLE INSULATION” or “DOUBLE INSULATED“ or the double insulation symbol square
within a square.
In a double-insulated appliance, two systems of insulation are provided instead of grounding.
No grounding means is provided on a double-insulated appliance, nor should a means for
grounding be added to the appliance. Servicing a double-insulated appliance requires extreme
care and knowledge of the system, and should be done by qualied service personnel.
Replacement parts for a double-insulated appliance must be identical to the parts they replace.
24 Important Safety Instructions 25
SERVICING OF DOUBLE-INSULATED
APPLIANCES