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HUUM Sauna Heater UL Listings

HUUM Sauna Heater UL Listings

As an official vendor for HUUM, our team at has been discussing about UL Listing of HUUM with HUUM's internal team. Here's the announcement regarding HUUM's UL Listings.

We're proud to announce that our UKU and DROP sauna heaters are certified in compliance with the following:

  • UL 60335-1 (6th Ed., Dated October 31, 2016)
  • CAN/CSA-C22.2 NO. 60335-1: 11, R2016
  • CAN/CSA E60335-2-53: 05, R2018
  • IEC 60335-2-53:2011 + A1:2017

SGS Certification & UL Standards

The certification process was conducted by SGS, an internationally recognized company. A common misconception in the US is that only UL can grant UL certifications. This is not true. SGS, as an NRTL, is authorized by OSHA to certify products with UL standards. This authority is backed by a historical precedent where other NRTLs were allowed to provide UL certifications. Learn more about the SGS NRTL status from OSHA.

Accreditations & Recognitions

SGS is also accredited by the American Association for Laboratory Accreditation (A2LA), a leading accreditation body. In addition, SGS has been recognized by the NFPA for their standards on fire and electrical safety.

Other NRTLs

Similar to SGS and UL, there are other NRTLs including Intertek, Eurofins, TÜV SÜD, F2 Labs, and ICS Laboratories.

SGS Clientele

Companies that have trusted SGS services include TORO Company, Honeywell, John Deere, Philips 66, and many more.

SGS Certification Context

Per OSHA guidelines, products don't need to be listed by only UL or ETL, but they must be listed by an OSHA-recognized NRTL. SGS, as a part of the global TIC group, is one such recognized NRTL. Products certified by SGS are accepted by OSHA for workplace use. For more on OSHA's stance, see their NRTL FAQ and the SGS NRTL scope.

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