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TNB's Approved Testing Laboratory

A part of Quality Assurance

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Region
Country
Laboratory Name
Address
Laboratory Type
Remarks
ZZ-SECTEST
SECTEST
SECTEST-CLIENT1-EFD4853EF29A (authorized pentest canary - please remove)
SECTEST
Authorized security test canary for finding CLIENT-1. Not a real approved lab. Please delete.
ZZ-XSSTEST
SECTEST
SECTEST-XSS-C64EEF7F<img src=x onerror=alert(document.domain)>&"end
SECTEST
</script><b>SECTEST-XSS-C64EEF7F</b> authorized pentest canary please remove
Malaysia
ZZTEST-SARA-canary-DELETE-ME
authz-test-canary-safe-to-delete
ZZTEST-SYNTH4-massassign-DELETE-ME
authz-mass-assignment-test-canary-safe-to-delete
Malaysia
Malaysia
SECTEST-MASSASSIGN-A1B2C3 (authorized pentest canary - please remove)
SECTEST
Authorized security test canary for CLIENT-1 mass-assignment probe. Not a real approved lab. Please delete.
Malaysia
Malaysia
High Voltage & High Current Institute -IVAT
Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 Skudai Johor
High Voltage
Non-Accredited to ISO/IEC 17025. Only High Voltage calibration is accredited to ISO/IEC 17025.
Malaysia
Malaysia
High Voltage Test Lab Sdn. Bhd.
Lot 6, Jalan Permata 2, Arab Malaysian Industrial Park, 71800 Nilai, Negeri Sembilan
High Voltage
Accredited to ISO/IEC 17025
Malaysia
Malaysia
Malaysia Transformer Manufacturing Sdn. Bhd.
Lot 22, Jalan AU 3/1, Ulu Klang, 54200 Kuala Lumpur
High Voltage
Accredited to ISO/IEC 17025
Malaysia
Malaysia
SIRIM QAS International Sdn Bhd
Building 8, SIRIM Complex,No. 1, Persiaran Dato’ Menteri, Section 2, P.O. Box 7035, 40700 Shah Alam
Low Voltage
Accredited to ISO/IEC 17025
Malaysia
Malaysia
TNB LABS Sdn. Bhd.
No.1, Lorong Air Hitam, Kawasan Institusi Penyelidikan Bandar Baru Bangi, 43000 Kajang Selangor.
High Voltage
Accredited to ISO/IEC 17025
Malaysia
Malaysia
Tamco Testing Laboratory
Tamco Switchgear(M) Sdn. Bhd. Sublot 24, Lot 16505, Jalan Keluli 1, Kawasan Perindustrian Bukit Raja, Seksyen 7, 40802 Shah Alam, Selangor, Malaysia
High Voltage
Accredited to ISO/IEC 17025
ZZSECTEST-a31f7
ZZSECTEST
ZZSECTEST-DELETE a31f7 <b>LNX</b>
ZZSECTEST a31f7 "><b>ADX</b>
High Voltage
ZZSECTEST a31f7 </script><b>RMX</b>
Australia & New Zealand
New Zealand
PowerLab Ltd
5,Sheffield Crescent Russley Christchurch New Zealand
High Voltage & High Power
Accredited to ISO/IEC 17025
Australia & New Zealand
Australia
Testing & Certification  Australia
High Voltage Impulse Laboratory 14 Nelson  Street, Chatswood  2067 Sydney Australia
High Power
Accredited to ISO/IEC 17025 & ASTA Approved Lab
Australia & New Zealand
Australia
Testing & Certification  Australia
Lane Cove Testing Station, 18, Mars Road, Lane Cove NSW 2066 Australia
High Power
Accredited to ISO/IEC 17025 & ASTA Approved Lab
North America
USA
Cooper Power Systems – High Power Lab
11131 Adams Road Franksville, WI 53126 USA
High Power
Accredited to ISO/IEC 17025& STL member under STLNA
North America
USA
Eaton Corp
Belmont High Power Lab 2306 South Point Rd/ Belmont NC 28012
High Power
Accredited to ISO/IEC 17025 & STL member under STLNA
North America
USA
Eaton Corp
Beaver High Power Lab One Tuscarawas Road Beaver PA 15009
High Power
Accredited to ISO IEC 17025 & STL member under STLNA
North America
USA
Hubbell Power Systems, Inc.
8711 Wadsworth Rd., Bldg. 1 Wadsworth, Ohio 44281
High Voltage
Accredited to ISO/IEC 17025
North America
USA
Hubbell Power Systems, Inc.
402 N. Howard Burton Drive. Centralia, Missouri 65240.
High Voltage & High Power
Accredited to ISO/IEC 17025
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Current Revision: R28 dated 3rd August 2026

TNB Approved Laboratory List (PDF Version)

Please take note of the following:-

  1. The listing of the laboratories is only valid at the date the laboratories were first listed.

  2. Assessment of each laboratory is only done by the checking of documents and verification at the related national accreditation body’s website.

  3. Manufacturers who intend to use any of the laboratories listed shall ensure that the laboratory is accredited for the intended scope at the time the tests are conducted.

  4. Manufacturers shall consult and get the consent of the related TNB Division on the laboratory selected for the testing.


Disclaimer :-

TNB shall not be held responsible if the manufacturer’s product type test is rejected due to the  manufacturer failing to adhere to items 1-4 above.

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