(NOM) Normas Oficiales Mexicanas logo is Mexico's mandatory safety logo, used to indicate that the product is in compliance with the relevant NOM standards. NOM labeling is applicable to most products, including telecommunications and information technology equipment, household electrical appliances, lamps and other products with potential health and safety hazards. Products manufactured or imported locally in Mexico shall comply with the relevant NOM standards and product labeling requirements.
Under Mexican law, NOM must be licensed by a Mexican company responsible for the quality, maintenance and reliability of its products. Testing reports are issued by laboratories approved by SECOFI and audited by SECOFI, ANCE or NYCE. Certificates are issued to Mexican representatives of the manufacturer or exporter if the product meets the requirements of the relevant regulations, so that the product can be labeled NOM.
1. Mexico voltage is 127V/60Hz
2. plug is the same as the American plug. One is ClassI with three connectors, the other is ClassII with two connectors. The plug will be tested together with the device itself.
The certificate is valid for one year, and the certificate can be renewed annually.
When a certificate is updated, a product should be sampled from the market in advance, so that it can be sent to the laboratory for testing.
Product packaging should contain the following information: product name, brand name, type and NOM verification mark.

Authentication file requirements

CB test report and certificate
The name, address and contact person of the importer or distributor in Mexico.
Test data, design drawings, specifications and circuit diagrams
Spanish label
Spanish original manual
A sample importer or distributor needs additional documents.
Photocopy of the company's power of attorney. A photocopy of the company's uniform number.
Authorized information (PowerofAttorney)
Official proxy document
Stationery with company name
Photocopy of registration company with tax certificate