G/TBT/N/MEX/429  
9 August  2018 
(18-5056) Page: 1/3 
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 : Secretaría de Energía  (Ministry of Energy)  
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 different from above:  
Comité Consultivo Nacional de Normalización de Instalaciones Eléctrica (National Advisory 
Committee on Electrical Installation Standardization), Domicilio, Insurgentes Sur Número 
890, piso 8, colonia Del Valle, D elegación Benito Juárez, C.P. 03100 en México, Ciudad de 
México . Comments may be submitted to: presidencia_ccnnie@energia.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) : Electrical 
installations  
5. Title, number of pages and language(s) of the notified document : Proyect o de 
Norma Oficial Mexicana PROY -NOM-001-SEDE -2018, Instalaciones eléctricas (utilización)  
(Draft Mexican Official Standard PROY -NOM-001-SEDE -2018, Electrical installations (use)) 
(1167 pages, in Spanish)  
6. Description of content : The notified draft Mexican Official Standard applies to the use of 
electrical installations operating at any voltage level and for the following purposes:  
(a) Public and private industrial, commercial and residential premises, regardless of their 
use, including those used fo r electrical equipment connected by users;  
(b) Installations in buildings used by supply companies, such as office buildings, 
warehouses, car parks, mechanical workshops and buildings used for leisure 
purposes, which are not an integral part of a power pla nt or substation;  
(c) Mobile homes, leisure vehicles, floating structures, fairs, circuses and exhibitions, 
parking areas, workshops, meeting areas, health facilities, agricultural buildings, 
marinas and wharves;  
(d) All user installations situated outside  buildings;  
(e) Fixed wiring for telecommunications, signalling, control and similar purposes 
(excluding the internal wiring of apparatus);  
(f) The extension or modification of installations and the parts of existing installations 
affected by such extensio ns or modification.  
(g) Electrical installations of users that are connected to:  
(1) General transmission networks;  G/TBT/N/MEX/429  
- 2 - 
  (2) General distribution networks;  
(3) Stand -alone systems;  
(4) Individual electric power supply systems ; or 
(5) Any other electrical power source.  
(h) Private networks supplying electrical power to cargo centres.  
The notified draft Mexican Official Standard is limited to the selection and suitability of 
electrical equipment for installation.  
It does not apply to:  
(a) Electrical installations on vessels and watercraft that are not floating buildings;  
(b) Installations on railway rolling stock, aircraft, electrical public transport units and 
motor vehicles that are not mobile homes or leisure vehicles;  
(c) Electrical installations for electrical  public transport systems in terms of the 
generation, transformation, transmission or distribution of electrical power used 
exclusively for the operation of rolling equipment or signalling and communication 
installations;  
(d) Electrical installations in un derground mining areas, and self -propelled mobile 
machinery for surface mining, and the supply cables for such machinery;  
(e) Installations involving communications equipment that are controlled exclusively by 
enterprises providing public communications se rvices, which are located outdoors or 
inside buildings used exclusively for such installations;  
(f) Installations controlled by electricity enterprises, such as:  
(1) Aerial or lateral connections and the relevant meters, which are not the property 
of users ; 
(2) Installations belonging to or under the control of an electricity company for the 
purpose of communications, measurement, generation, control, 
transformation, transmission or distribution of electrical power ; or 
(3) Installations recognized by other control agencies with jurisdiction for such 
installations, such as the Energy Regulatory Commission.  
NOTE : Public service enterprises are required to comply with the standards issued by the 
competent agencies.  
7. Objective and rationale, including the nat ure of urgent problems where 
applicable : The notified draft Mexican Official Standard aims to establish the technical 
specifications and guidelines to be met by electrical installations, in order to provide 
appropriate safety conditions for individuals and  their property, in terms of protection 
against:  
- Electric shocks;  
- Thermal effects;  
- Overcurrents;  
- Fault currents ; and 
- Voltage disturbances.  
Compliance with the provisions contained in the notified draft Mexican Official Standard 
promotes the safe use of electrical power . This Standard does not intend to serve as a 
design guide or an instruction manual for unqualified individuals.  
8. Relevant documents:  
 Mexican Official Standard NOM -008-SCFI-2002, Sistema General de Unidades de 
Medida ; 
 Mexican Official Standard NOM -063-SCFI-2001, Productos eléctricos -Conductores -
Requisitos de seguridad ; G/TBT/N/MEX/429  
- 3 - 
   Mexican Standard NMX-J-098-ANCE -2014, Sistemas eléctricos - Tensiones 
Eléctricas Normalizadas . 
9. Proposed date of adoption : To be determined.  
Proposed date of entry into force : To be determined  
10. Final date for comments : 4 October 2 018 
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  (Ministry of the Economy)  
Subsecretaría de Competitividad y Normatividad (Under -Secretariat for Competitiveness 
and Standardization)  
Dirección General de Normas  (Directorate -General of Standards)  
Tel.: (+52) 55 5729 9100, Ext. 43244  
Fax: (+52) 55 5520 971 5 
Website: http://www.economia.gob.mx/comunidad -negocios/normalizacion/catalogo -
mexicano -de-normas  
Email: 
normasomc@economia.gob.mx /sofia.pacheco@economia.gob.mx /jose.ramosr@economia.
gob.mx  
Text available at:  
http://www.dof.gob.mx/nota_detalle.php?codigo=5533986&fecha=06/08/2018  
http://www.dof.gob.mx/nota_detalle.php?codigo=5533988&fecha=06/08/2018  
http://www.dof.gob.mx/nota_detalle.php?codigo=5533990&fecha=06/08/2018  
http://www.dof.gob.mx/nota_detalle.php?codigo=5533992&fecha=06/08/2018  
http://www.dof.gob.mx/nota_detalle.php?codigo=5533994&fecha=06/08/2018  
http://www.dof.gob.mx/nota_detalle.php?codigo=5533996&fecha=06/08/2018  
http://www.dof.gob.mx/nota_detalle.php?codigo=5533998&fecha=06/08/2018  
http://www.dof.gob.mx/nota_detalle.php?codigo=5534000&fecha=06/08/2018  
http://www.dof.gob.mx/nota_detalle.php?codigo=5534002&fecha=06/08/2018  
https://members.wto.org/crnattachments/2018/TBT/MEX/18_4294_00_s.pdf  
https://members.wto.org/crnattachments/2018/TBT/MEX/18_4294_01_s.pdf  
https://members.wto.org/crnattachments/2018/TBT/MEX/18_4294_02_s.pdf  
https://members.wto.org/crnattachments/2018/TBT/MEX/18_4294_03_s.pdf  
https://members.wto.org/crnattachments/2018/TBT/MEX/18_4294_04_s.pdf  
https://members.wto .org/crnattachments/2018/TBT/MEX/18_4294_05_s.pdf  
https://members.wto.org/crnattachments/2018/TBT/MEX/18_4294_06_s.pdf  
https://members.wto.org/crnattachments/2018/TBT/MEX/18_4294_07_s.pdf