Canada may accept a Level VI adapter mark—but the model and filing must match

What does Canada’s Roman-numeral exception actually do?

Section 4(4) of Canada’s Energy Efficiency Regulations, 2016 creates a narrow exception to the ordinary verification-mark rule for external power supplies. A product can use a mark made under the U.S. Department of Energy’s International Efficiency Marking Protocol if a certification body has verified the energy-performance information submitted to the Minister and the product bears the exact model number used for that verification. NRCan describes this as an alternative to the Canadian energy-efficiency verification mark—not as a waiver of every Canadian requirement.

The familiar Roman numeral, often shown as Level VI on eligible products, therefore cannot carry the case by itself. A photo of the mark does not reveal whether the same model was reported, whether the certification body verified the performance data, or whether the regulated product falls within the Canadian definition and applicable manufacture-date rules. NRCan’s searchable product-model records and its CREED reporting route are part of the evidence trail buyers should understand.

• Identify the product as an external power supply under the Canadian regulatory definition
• Confirm the applicable efficiency standard and manufacture-date period
• Match the Roman-numeral mark to the DOE protocol
• Match the full labelled model number to the model verified by the certification body

Why do the model number and importer record matter?

The Regulations require a dealer importing a regulated energy-using product for sale or lease to provide product and manufacturer details to the Minister. For an external power supply using the exception, the filing also identifies the certification body that verified the energy-performance information. Additional technical information—such as voltage configuration, output ranges, efficiency and no-load power—forms part of the reporting framework. Import-specific information must also be available in the commercial or customs documentation before release, subject to the Regulations’ stated exceptions.

That is why a family name, retail listing or wattage printed on a carton is not a safe substitute for the exact model identity. A suffix, regional SKU, output configuration or replacement-supply designation may affect the correspondence between the item being imported and the record. Buyers should ask the Canadian importer to reconcile the quote, product label, technical file and applicable filing, while treating a supplier’s screenshot as a starting point rather than independent proof.

• Quoted model, nameplate model and reported model are identical or supported by a documented cross-reference
• Brand and manufacturer details match the product and filing
• The certification body is identified and the verified performance information covers this configuration
• The importer can explain how required product details connect to its Canadian import records

An efficiency numeral is not a safety approval

Energy efficiency and electrical safety address different regulatory questions. Canada’s exception concerns the verification mark under the Energy Efficiency Regulations. It does not convert a DOE efficiency numeral into a CSA, cUL, cETL or other electrical-safety certification mark, and it does not establish compliance with every applicable electrical, electromagnetic-compatibility, radio or destination-market rule. Health Canada’s consumer warning on uncertified USB chargers discusses safety hazards and the need for appropriate certification; it is a separate evidence track from NRCan’s efficiency reporting.

ZIMONAI’s buyer-side interpretation is to maintain two linked but distinct checks: first, verify that the Canadian efficiency exception is supported for the precise external power supply and its model-specific report; second, determine which electrical-safety certification and other product rules apply to the intended use and sales channel. A pass in one column must not silently fill the other.