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1.1 These requirements cover electrically operated equipment marked "Double Insulation" or "Double Insulated" to be used in accordance with the National Electrical Code, ANSI/NFPA 70.

1.2 Equipment marked "Double Insulation" or "Double Insulated" shall comply with the applicable requirements in this standard and the standard covering the particular type of equipment - the end-product standard. In cases where the end-product standard contains requirements for double insulation, that standard takes precedence.