Recommendations of the Global Commission on People-Centred Clean Energy Transitions

NOM-029-ENER-2017: Energy efficiency of external power supplies. Limits, Test Methods, Marking and Labelling

Last updated: 12 May 2021
This standard sets the minimum energy efficiency levels of external power supplies in operation, the maximum limits of electrical power in non-load or vacuum mode. They are classified according to:

the USB output voltage;
low output voltage; and
generic output voltage. See the attachment for the minimum energy efficiency levels.

Want to know more about this policy ? Learn more (Spanish)Learn more (Spanish)