
Introduction
The cTUUS verification mark provides customers with a clear and direct method for product safety, enabling their products to successfully enter the US and Canadian markets. North America Germany Rein has been registered and can provide verification and product testing services for American ANSI/UL standards and Canadian national standards.

Technical Documentation
Frequency: 60Hz Voltage: Single phase 120V (used in the US and Canada, measuring between fire and ground lines, providing 15 or 20A protection lines); 240V (for measuring water fire lines, generally available for use)
Voltage: Three phase 208/240V
Plug structure: NEMA 5-15P and 6-15P plug standards are used in the US and Canada regions. These straight blade plugs in the United States are clearly described in NEMA (National Electronics Manufacturers Association) WD6 edition and included in UL498. The Canadian plug and socket standards are mentioned in CSA publication C22.2, No.42.
Applicable product scope
The authorized projects of Rein in Germany include office equipment, information technology, commercial machinery, audio-visual equipment, household appliances, laboratory equipment, medical equipment, testing and measuring devices, and control equipment, among others.
The US Canada certification mark of Rein in Germany is of the same level as other US NRTLs (such as UL, CSA, etc.). In terms of the US and Canadian markets, only Germany's Rein has the ability to provide product testing and validation services.
Rheinland Germany issues TUVs verification mark for products in the US market
Rheinland Germany issues cTUV verification mark to products in the Canadian market
When the TUVs and cTUV logos are used together, customers can indicate a single logo cTUVs on the product, which can prove that the product meets the requirements and standards of both the US and Canadian markets.
Differences between cTUUS, UL, and ETL certifications
project | UL | cTUVus | ETL |
Usage standard | UL2054; UL1642; UL61558; UL62368 (UL60950 and UL60065 merged standards), etc | ||
Certification and Accreditation Institution | NRTL (National Recognized Laboratory) in the United States and SCC (Canadian Bureau of Standards) in Canada | ||
Certification Market | North America (United States and Canada) | ||
Certification and testing institutions | UL Meihua Laboratory conducts testing and issues a closure letter | NTEK testing TUV certification | NTEK testing ITS certification |
Application time reference | 5-12 weeks | 2-3 weeks | 2-3 weeks |
Application fee | Compared to the three, it is more expensive | The cost is relatively favorable | The cost is relatively favorable |
advantage | Domestic organization in the United States, with the highest level of recognition among established certification bodies in the US and Canada regions | International certification bodies, authoritative and affordable, also recognized by NRTL in the United States | Domestic institutions in the United States with high recognition |
disadvantage | Because it is an established institution, testing, factory inspection, and filing fees are the highest and the cycle is longer | Brand awareness in the North American market is slightly lower than UL | Slightly less well-known than UL in the North American market |
Certificate Information

Factory Inspection
TUVs conducts factory inspections four times a year, while cTUV conducts inspections twice a year. If both have applications, the factory inspection will be conducted four times a year. This factory inspection can be combined with other certificates such as TUV/GS, Japan S-Mark, or Argentina S-Mark for execution.
other
Certification cycle
Review time: 4 weeks after all documents are provided
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Copyright © Dongguan Di'en Testing Co., Ltd. Technical Support: Dongguan Guangsu Network Guangdong ICP No. 15086094-1