Article · Wikipedia archive · Last revised Jun 12, 2026

ETL SEMKO

ETL SEMKO is a division of Intertek Group plc which is based in London. It specializes in electrical product safety testing, EMC testing, and benchmark performance testing. ETL SEMKO operates more than 30 offices and laboratories on six continents. SEMKO was, until 1990, the body responsible for testing and certifying electric appliances in Sweden. The "S" mark was mandatory for products sold in Sweden until the common European CE mark was adopted prior to Sweden's accession to the European Union.

Last revised
Jun 12, 2026
Read time
≈ 1 min
Length
165 w
Citations
3
Source
Wikipedia ↗
source ↗

ETL SEMKO (formerly Electrical Testing Laboratory) is a division of Intertek Group plc (LSE: ITRK) which is based in London.1 It specializes in electrical product safety testing, EMC testing, and benchmark performance testing. ETL SEMKO operates more than 30 offices and laboratories on six continents. SEMKO (Svenska Elektriska Materielkontrollanstalten "The Swedish Electric Equipment Control Office") was, until 1990, the body responsible for testing and certifying electric appliances in Sweden.2 The "S" mark was mandatory for products sold in Sweden until the common European CE mark was adopted prior to Sweden's accession to the European Union.3

See also

See also

References

References

  1. "Intertek Contact". Intertek. 2020-04-21. Retrieved 2020-05-01.
  2. "Historia". Intertek Semko AB (in Swedish). Retrieved 5 January 2024.
  3. "Product Certification - The S Mark - A Swedish Symbol For Safety" (PDF). 10 October 2017. Archived from the original (PDF) on 3 July 2024. Retrieved 15 September 2025.
External links