Gallagher MB1800i Instructions Manual page 7

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SERVICE OF DOUBLE-INSULATED APPLIANCES
In a double-insulated controller, two systems of insula on are provided instead of grounding. No equipment
grounding means is provided in the supply cord of a double-insulated controller, nor should a means for
equipment grounding be added to the controller. Servicing a double-insulated controller requires extreme
care and knowledge of the system, and should be done only by qualifi ed service personnel. Replacement
parts of a double insulated controller must be iden cal to the parts they replace. A double insulated
controller is marked with the words "DOUBLE INSULATION" or "DOUBLE INSULATED". The symbol for double
insula on may also be marked on the appliance.
Important Informa on
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