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14. Certification
About CSA and NRTL
CSA (Canadian Standards Association also known as CSA International) was established
in 1919 as an independent testing laboratory in Canada. CSA received its recognition as
an NRTL (Nationally Recognized Testing Laboratory) in 1992 from OSHA (Occupational
Safety and Health Administration) in the United States of America (Docket No. NRTL-2-92).
This was expanded and renewed in 1997, 1999, and 2001. The specific notifications were
posted on OSHA’s official website as follows:
• Federal Register #: 59:40602 - 40609 [08/09/1994]
• Federal Register #: 64:60240 - 60241 [11/04/1999]
• Federal Register #: 66:35271 - 35278 [07/03/2001]
When these marks appear with the indicator “C and US” or “NRTL/C” it means that the
product is certified for both the US and Canadian markets, to the applicable US and
Canadian standards. (1)
Alpha rectifier and power system products, bearing the aforementioned CSA marks, are
certified to CSA C22.2 No. 60950-01 and UL 60950-01. Alpha UPS products, bearing the
aforementioned CSA marks, are certified to CSA C22.2 No. 107.3 and UL 1778.
As part of the reciprocal, US/Canada agreement regarding testing laboratories, the Stan-
dards Council of Canada (Canada’s national accreditation body) granted Underwriters
Laboratories (UL) authority to certify products for sale in Canada. (2)
Only Underwriters Laboratories may grant a licence for the use of this mark, which indi-
cates compliance with both Canadian and US requirements. (3)
NRTLs capabilities
NRTLs are third party organizations recognized by OSHA, US Department of Labor, under
the NRTL program.
The testing and certifications are based on product safety standards
developed by US based standards developing organizations and are
often issued by the American National Standards Institute (ANSI). (4)
The NRTL determines that a product meets the requirements of an ap-
propriate consensus-based product safety standard either by success-
fully testing the product itself, or by verifying that a contract laboratory
has done so, and the NRTL certifies that the product meets the require-
ments of the product safety standard. (4)
Governance of NRTL
The NRTL Program is both national and international in scope with
foreign labs permitted.
(1)www.csagroup.org
(2) www.scc.ca
(3) www.ulc.ca
(4) www.osha.gov
