G/TBT/N/UGA/1418  
21 September 2021  
(21-7029) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member:  UGANDA   
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:   
Uganda National Bureau of Standards  
Plot 2 -12 ByPass Link, Bweyogerere Industrial and Business Park  
P.O. Box 6329 Kampala, Uganda  
Tel: +(256) 4 1733 3250/1/2 Fax: +(256) 4 1428 6123  
E-mail: info@unbs.go.ug   
Websit e: https://www.unbs.go.ug  
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 indi cated if different from above:   
3. Notified under Article 2.9.2 [   ], 2.10.1 [   ], 5.6.2 [X], 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):  Insulating 
liquids; Medium oils and preparations, of petroleum or bituminous minerals, not 
containing biodiesel, n.e.s (HS 271019); Insulating fluids in general (ICS 29.040.01)  
5. Title, number of pages and language(s) of the notified documen t: DUS 2350:2021, 
Standard Test Method for Dissipation Factor (or Power Factor) and Relative Permittivity 
(Dielectric Constant) of Electrical Insulating Liquids, First Edition (16 page(s), in English)  
6. Description of content:  This Draft Uganda Standard describes testing of new electrical 
insulating liquids as well as liquids in service or subsequent to service in cables, 
transformers, oil circuit breakers, and other electrical apparatus.  This test method 
provides a procedure for making referee tests at a  commercial frequency of between 45 
and 65 Hz.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Prevention of deceptive practices and consumer protection; Quality 
requirements  
8. Relevant documents:   
1. ASTM D150 Test Methods for AC Loss Characteristics and Permittivity (Dielectric 
Constant) of Solid Electrical Insulation  
2. ASTM D923 Practices for Sampling Electrical Insulating Liquids  
3. ASTM D2864 Terminology Relating to Electrical Insulating Liquids and Gases  
4. D2865   Practice for Calibration of Standards and Equipment for Electrical 
Insulating Materials Testing  G/TBT/N/UGA/1418  
 
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  5. E691  Practice for Conducting an Interlaboratory Study to Determine the 
Precision of a Test Method  
6. Standard 4    IEEE Standard Techniques for High -Voltage Testin g 
9. Proposed date of adoption:  December 2021  
Proposed date of entry into force:  Not applicable  
10. Final date for comments:  60 days from notification  
11. Texts available from:  National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available , of other body:   
Uganda National Bureau of Standards  
Plot 2 -12 ByPass Link, Bweyogerere Industrial and Business Park  
P.O. Box 6329 Kampala, Uganda  
Tel: +(256) 4 1733 325 0/1/2 Fax: +(256) 4 1428 6123  
E-mail: info@unbs.go.ug   
Website: https://www.unbs.go.ug