G/TBT/N/MEX/463  
20 April 2020 
(20-3111) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  Spanish  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6.  
 
1. Notifying Member : MEXICO  
If applicable, name of local government involved (Articles 3.2 and 7.2):  
2. Agency responsible : Comisión Reguladora de Energía  (Energy Regulatory 
Commission)  
Name and address (including telephone and fax numbers, email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indicated if dif ferent from above:  
Comisión Reguladora de Energía  
Boulevard Adolfo López Mateos 172,  
Colonia Merced Gómez, Alcaldía de Benito Juárez,  
Código Postal 03930, Ciudad de México, Mexico  
Email: gcabrera@cre.gob.mx , mrodriguez@cre.gob.mx  and/or ehernandez@cre.gob.mx  
3. Notified under Article 2.9.2 [X], 2.10.1 [ ], 5.6.2 [ ], 5.7.1 [ ], other:  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading . ICS numbers may be provided in addition, where applicable):  
The notified draft Mexican Official  Standard applies to the electrical design and 
construction of:  
(a) The National Transmission Network;  
(b) The General Distribution Networks;  
(c) Equipment and facilities for transformation, compensation and switching, inter alia , 
which enable electrical power to be transmitted and distributed;  
(d) Infrastructure installed for the interconnection of power plants or the connection of 
load centres ; and 
(e) Stand -alone systems.  
The following are outside  the scope of this draft Mexican Official Standard:  
(a) Facilities regulated by Mexican Official Standard NOM -001-SEDE -2012; and 
(b) Measuring systems within the scope of Mexican Official Standard NOM -001-
CRE/SCFI -201. 
5. Title, number of pages and language(s) of the notified document : Instalaciones de 
energía eléctrica -Conexión, interconexión, transmisión y distribución -Especificaciones de 
seguridad y procedimiento para la evaluación de la conformidad .(Electrical power facilities 
- Connection, interconnection, transmission and distribution - Safety requirements and 
conformity assessment procedure) (23 pages, in Spanish)  G/TBT/N/MEX/463  
- 2 - 
  6. Description of content : The notified draft Mexican Official Standard establishes the 
safety requirements and technical guidelines for designing and constructing electrical 
facilities in the General Distribution Networks (RGD s) and National Transmission Network 
(RNT), which are part of the National Electricity System (SEN) . It also establishes the 
safety requirements for the connection of load centres to the RGDs and RNT, as well as 
for the interconnection of power plants deliver ing power to these networks, in order to 
ensure the efficiency, quality, reliability, continuity a nd safety of  the SEN. 
7. Objective and rationale, including the nature of urgent problems where 
applicable : Protection of human health or safety  
8. Relevant documents:  
• Mexican Official Standard NOM -001-SEDE -2012: Instalaciones eléctricas 
(utilización) , published in the Official Journal on 2 9 November 2 012 
• Mexican Official Standard NOM -008-SCFI-2002: Sistema general de unidades de 
medida , published in the Official Journal on 2 7 November 2 002 
• Mexican Standard NMX -J-136-ANCE -2007: Abreviatura s y símbolos para 
diagramas, planos y equipos eléctricos, notice of entry into force  published in 
the Official Journal on 1 9 October 2 007 
9. Proposed date of adoption : 60 calendar days after publication  
Proposed date of entry into force : 60 calendar days after publication  
10. Final date for comments : 1 May 2 020 
11. Texts available from : National Enquiry Point [X] or address, telephone and fax 
numbers and email and website addresses, if available, of other body:  
Secretaría de Economía, Dirección General de Normas, Calle Pachuca número 189, pisos 
7 y 12, Colonia Condesa, Demarcación Territorial Cuauhtémoc, Código Postal 06140, 
Ciudad de México, Mexico  
Tel.: (+52) 55 5729 9100 Ext. 43244  
Fax: (+52) 55 5520 9715  
Email:  
César Osvaldo Orozco Arce - cesar.orozco@economia.gob.mx  
Tania Daniela Fosado Soriano - tania.fosado@economia.gob.mx  
José César Ramos  - jose.ramosr@economia.gob.mx  
https://www.dof.gob.mx/nota_detalle.php?codigo=5588063&fecha=02/03/2020  
https://members.wto.org/crnattachments/2020/TBT/MEX/20_2764_00_s.pdf