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The author thanks the International Electrotechnical Commission (IEC) for
permission to reproduce Information from its International Publication 60335-
2-76 ed.2.0 (2002). All such extracts are copyright of IEC, Geneva, Switzerland.
All rights reserved. Further information on the IEC is available from www.iec.ch.
IEC has no responsibility for the placement and context in which the extracts and
contents are reproduced by the author, nor is IEC in any way responsible for the
other content or accuracy therein.
Save these instructions
.
SERVICE OF DOUBLE-INSULATED APPLIANCES
In a double-insulated controller, two systems of insulation 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 qualified service personnel. Replacement
parts of a double insulated controller must be identical to the parts they
replace
.
A double insulated controller is marked with the words “DOUBLE
INSULATION” or “DOUBLE INSULATED”. The symbol for double insulation
may also be marked on the appliance.
