. /.   WORLD TRADE  
ORGANIZATION  G/TBT/N/TTO/62 
4 June 2009  
 (09-2666) 
Committee on Technical Barriers to Trade Original:   English 
  
 
NOTIFICATION 
 
The following notification is being circ ulated in accordance with Article 10.6 
 
1. Member to Agreement notifying:  TRINIDAD AND TOBAGO
  
If applicable, name of local governme nt involved (Article 3.2 and 7.2):     
2. Agency responsible:  Trinidad and Tobago Bureau of Standards 
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 :    
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):  Household Electric 
Storage Tank Water Heaters. (ICS: 97.100) 
5. Title, number of pages and language(s) of the notified document:  Household Electric 
Storage Tank Water Heaters – (8 2 pages, English)     
6. Description of content:  These requirements cover household electric storage tank and small 
capacity storage tank water heaters rated no mo re than 600 volts and 12 kilowatts to be 
installed in accordance with the TTS 171: Part  1: 2002, Trinidad Electrical Wiring Code – 
Part 1: Low voltage installations (including Amendment 1 (2007)), and with model plumbing 
and mechanical codes.  
These requirements do not cover immersed electr ode, side arm, booster, instantaneous or 
immersion type water heaters or  water heating portions of wate r dispensing appliances. These 
requirements do not cover wa ter heaters with a tank capacity of less than 1 gallon (3.8 L) or 
more than 120 gallons (454 L).  
Electric booster water heaters, electric commercial storage ta nk water heaters, and remote 
control assemblies for such heaters, rated 600 vo lts or less are not covered by this standard. 
They are covered in the Standard for Electric Booster and Commercial Storage Tank Water 
Heaters, UL 1453.  
7. Objective and rationale, including the na ture of urgent problems where applicable:  
Compulsory status has been recommended in or der to protect the consumer or user against 
danger to health or sa fety by ensuring a produc t of acceptable quality.  
8. Relevant documents:   TTS/UL 174: 20XX  Adoption of UL 174, UL Standard for Safety for 
Household Electric Storage Ta nk Water Heaters, dated 29  April 2004 which contains 
revisions through and including 19 September 2008. G/TBT/N/TTO/62 
Page 2  
 
  9. Proposed date of adoption:   
Proposed date of entry into force:   }On a date to be notified by the Minister to 
whom responsibility for trade and industry is assigned, in a Notice to be published in the Trinidad and Tobago Gaze tte as required by the 
Standards Act. 
10. Final date for comments:  31 July 2009 
11. Text available from: National enquiry po int [ X], or address, telephone and fax 
numbers, e-mail and web-site addres ses, if available of the other body:    
Trinidad and Tobago Bureau of Standards                                                                                      
1-2 Century Drive, Trincity I ndustrial Estate, Macoya, Tunapuna 
Trinidad and Tobago                                                    Email:  ttbs@ttbs.org.tt