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Mexico Considers Energy Efficiency Standards for External Power Supplies

The Mexican government is seeking input from interested parties by 3 February on a proposal (PROY-NOM-029-ENER-2016) to establish mandatory energy efficiency standards for external power supplies. The proposal would set minimum energy efficiency standards for external power supplies in on-mode, maximum power limits for external power supplies in no-load or vacuum mode, as well as test methods and conformity assessment and marking requirements. The proposal covers external power supplies that convert alternating current voltage to a single level of fixed continuous current voltage with a maximum output power of 250 watts or less. Excluded from the scope of the proposal are external power supplies incorporating a battery, battery pack or battery type/chemistry switch, as well as supplies that form part of equipment and apparatus that are not sold to the public and are intended for special uses.

The new standards would enter into force 120 days from the date of publication of a final regulation in Mexico’s official journal.

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