How the NOM Certification Can Help You

Products entering Mexico must be tested to national, mandatory NOM standards by an accredited Mexican laboratory. Testing may be conducted by a laboratory outside of Mexico only if it holds a laboratory-to-laboratory mutual recognition agreement with an accredited Mexican laboratory.

NOM certificates are non-transferable. However, a manufacturer that is a NOM holder may extend usage rights of its NOM certification to Mexican distributors, who may then obtain their own NOM certification without additional testing.

Note: NOM certificates will only be issued to Mexican manufacturers and exporters, or to manufacturers and exporters in countries with which Mexico has a free-trade agreement

Product Categories

All electrical products exported into Mexico must meet NOM requirements as well as mandatory energy efficiency requirements. These products include household refrigerators, freezers, gas heaters, cloth washers, air conditioners; small induction motors and motor operated tools; vertical and submersible water pumps; compact fluorescent lamps and wiring devices; telecom products that are data transmitters (digital, analogical, LAN or WAN systems) and those intended to be connected to the Public Telecom Network (PTN) and designed to process, receive, transmit or convert signals.

LEO conducts testing of products covered by the following standards:

NOM-001-SCFI-1993 "Electronic Apparatus. Electronic household appliances input by different electric power sources. Safety requirements and testing methods for type approval", based on IEC-60065
NOM-016-SCF1-1993 "Electronic apparatus for offices input by different electric power sources. Safety requirements and testing methods", based on IEC-60335-1
NOM-019-SCF1-1998 "Safety of data processing equipment", based on IEC 60950
NOM-003-SCFI-2000 is the mandatory NOM product safety specification for electrical products. As a specification, it does not include testing requirements, but it does call for the following standards:
NMX-J-521/1: Household electrical apparatus and electrical equipment, based on IEC 60335-1-1991-04
NMX-J-524/1: Handheld motor operated tools, based on IEC 60745-1-1998-02
NMX-J-508: Wiring devices, small interrupters, incandescent-type luminaries, based on IEC 60884-1 and IEC 60669-1
NMX-J-515: Industrial control, based on NEMA ICS

If your products are not covered by these standards, LEO has relationships with a number of accredited Mexican laboratories to conduct testing locally. In these cases, testing must be conducted in Mexico.

Why LEO?

LEO can help you to obtain the NOM approval for virtually any type of product exported into Mexico. Our Mexico City laboratory is an accredited EMA laboratory; however, you can receive testing from other North American testing laboratories. Once a test report is issued, it is reviewed by ANCE or NYCE. When your product is found to be in compliance with the applicable NOM requirements, a certificate is issued in favor of your Mexican representative, and the product can be marked with the NOM Mark.

Our team of technicians and support staff will keep you informed of your product's progress through testing and certification process. To facilitate your NOM certification, LEO will help you to:

Gather required product documentation and determine the applicable NOM standards to save time and reduce testing and certification costs.
Coordinate shipping of samples for testing, and if necessary, handle this through our forwarding company and customs broker.
Test to NOM standards, and monitor progress until the NOM Certification is obtained.
If your product is going to be connected to the public telecom network, test to the appropriate NOM standards and/or to ITU recommendations, and obtain complete Telecom Equipment Type Approval.
Assist you on product and packaging marking, and help you in preparation of the product manual and warranty in Spanish.
Offer expertise and knowledge for a wide variety of products for Mexican requirements, including Telecom Homologation to meet requirements outlined by SCT, the Mexican telecom regulatory Authority.

These are The LEO Certification Testing Center to provide you with The certification of dynamic information, if you want to apply for The certification, please call: +86 0512-62370399 or to your product information and certification requirements sent to the email : sdb@leocorp.cn, LEO will be to answer your questions. .