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Directive 2011/65/EU defines cables as all cables with a rated voltage below 250 V that connect EEE to an electrical outlet or connect two or more EEE to each other. Commission RoHS FAQ guidance adds the practical scope rule: cables used to transfer electrical currents or electromagnetic fields are EEE, unless they specifically belong to EEE or a combination of EEE that is outside RoHS scope.

This means a cable scope decision should start with the cable's function and market placement. A power cord, HDMI cable, network cable, cable reel, or cable supplied with equipment may have different evidence and conformity-documentation consequences even when the same restricted-substance limits apply at material level.

The Commission FAQ draws a clear distinction between internal wires, permanently attached cables, external cables supplied with EEE, and external cables sold separately. Internal wiring in in-scope EEE must meet the RoHS material restrictions like the rest of the equipment, but it is not treated as a separately CE-marked cable product.

External cables that are sold together with, marketed for, or shipped for use with an EEE follow the technical requirements of that EEE. Separately placed external cables are treated differently because the cable itself is the product being placed on the market.

Cable evidence should prove both the scope decision and the substance-compliance decision. For scope, keep the rated voltage, connection function, whether the cable transfers electrical current or electromagnetic fields, whether it is optical, whether it is internal or external, and whether it is supplied with or separately placed on the market from the host EEE.

For substance compliance, keep material-level evidence because RoHS maximum concentration values apply by homogeneous material. A cable record should therefore separate insulation, jacket, copper conductor, solder, plating, connectors, flame-retardant polymers, and any other separable material or component that affects the restricted-substance assessment.

The weak cable record is usually not missing a slogan; it is missing the market-placement fact pattern. A generic supplier RoHS statement does not answer whether the cable is internal, attached, supplied with the EEE, sold separately, optical, tied to excluded equipment, or covered by the host product's DoC.

The other common gap is testing at the wrong level. RoHS limits are assessed at homogeneous-material level, so a whole-cable statement should still be traceable to material declarations, supplier evidence, exemptions, or risk-based tests for the separable materials that make up the cable.

Yes, when the component is used in finished EEE or as a spare part for in-scope EEE. Directive 2011/65/EU requires EEE placed on the Union market, including cables and spare parts for repair, reuse, updating, or capacity upgrades, not to contain the restricted substances above the Annex II maximum concentration values in homogeneous materials.

The practical consequence is component-level evidence rather than a separate RoHS label on every part. The Commission RoHS FAQ explains that finished EEE can meet RoHS substance requirements only if its components and parts meet the substance restrictions, including non-electronic parts such as fasteners or plastic enclosures.

RoHS CE marking is tied to finished EEE. Directive 2011/65/EU requires the CE marking to be affixed visibly, legibly, and indelibly to the finished EEE or, where that is not possible, to the packaging and accompanying documents.

The Commission FAQ states that components used in finished EEE or for repair or upgrade of in-scope EEE must meet Article 4 substance restrictions but do not need RoHS CE marking. Spare parts that are not finished EEE also do not need a RoHS declaration of conformity or CE mark. By contrast, a component sold as a finished electrical or electronic product in its own right may need its own conformity assessment.

Start with the restricted substances and the material breakdown. Annex II sets maximum concentration values by weight in homogeneous materials: lead, mercury, hexavalent chromium, PBB, PBDE, DEHP, BBP, DBP, and DIBP at 0.1%, and cadmium at 0.01%. The Commission FAQ gives practical examples of homogeneous materials such as a plastic cover, copper wire inside a cable, and the solder part of a solder joint.

Then decide whether supplier evidence is enough or whether risk-based testing is needed. EN IEC 63000:2018 is the harmonised standard listed for technical documentation assessing electrical and electronic products with respect to restricted substances; the IEC 62321 series provides test and sample-preparation methods often used when declarations need analytical support.

A component that depends on an exemption should not be treated as permanently compliant. Directive 2011/65/EU allows materials and components of EEE to be included in Annex III or IV for specific applications only when the Article 5 conditions are met, and exemption validity periods are limited and renewable.

The Commission implementation page confirms that exemption renewals must be submitted no later than 18 months before expiry and that existing exemptions with renewal requests remain valid until the Commission decides. Component records should therefore track the specific exemption text, application, EEE category, renewal status, and any planned substitute material or design.

Supplier declarations are useful when they identify the exact part, material, supplier, revision, restricted-substance scope, and date. They should support the manufacturer technical documentation required by RoHS, not replace the manufacturer decision.

A declaration is strongest when it can be tied to a BOM line, homogeneous-material assessment, IEC 62474-style material declaration, exemption claim if any, and the EU declaration of conformity. It is weak when it is only a broad marketing statement, an expired certificate, or a generic "RoHS compliant" label with no product identity.

Add testing when declarations do not give enough confidence for the risk. Common triggers include missing supplier data, unverified high-risk materials, a new or changed supplier, a design or material change, inconsistent documents, an exemption boundary, or a request from a customer, importer, or market-surveillance.

RoHS limits are assessed at homogeneous-material level. Lab work should therefore start with sample selection and preparation, then use the IEC 62321 methods that match the substance and material, such as XRF screening for lead, mercury, cadmium, total chromium, and total bromine, targeted methods for lead, cadmium, chromium, PBB/PBDE, and phthalates where screening or risk points to a need.

The record should let a reviewer reproduce the decision without interviewing the project team. It should state the EEE, BOM or material population, supplier evidence reviewed, RoHS restricted substances and homogeneous-material limits considered, exemption assumptions, test method if used, owner, date, and review trigger.

Avoid a binary "declarations or tests" policy. Most RoHS files use both: declarations for broad supply-chain coverage and targeted tests for higher-risk materials, weak evidence, or unresolved questions.

The most common mistake is treating a certificate as a conclusion without checking what it actually covers. A supplier document may cover a part number, a material family, a manufacturing site, or only some substances. A lab report may cover one tested sample, not every future lot or supplier change.

Another mistake is testing the wrong layer. RoHS maximum concentration values apply by weight in homogeneous materials, so the sampling plan matters as much as the analytical method.

Start from the restriction, then document the exception. Annex II lists lead and mercury at 0.1% by weight in homogeneous materials and cadmium at 0.01%. Article 4 says those limits do not apply to applications listed in Annex III or Annex IV, so an exemption record must prove that the product's use matches a specific listed application.

Avoid documenting exemptions as broad product permissions. The Commission RoHS FAQ explains that exemptions are granted for specific substances used in specific applications, not for a company or for a whole piece of EEE. A useful record therefore identifies the substance, material, component, product category, and Annex wording that supports the exception.

Do not make an unsourced current-status table for lead, mercury, or cadmium exemptions. Annex entries are technical and time-limited, and many include category-specific expiry dates, scope limits, spare-parts wording, amount limits, or renewal effects. Keep the official source URL and the date you checked it with the exemption record.

The documentation fields differ because the Annex entries differ. Mercury lamp exemptions often use per-lamp or per-burner milligram limits and specific lamp technologies. Lead entries include alloys, solders, glasses, ceramics, coatings, bearings, and application-specific electronic components. Cadmium entries include electrical contacts, optical or filter glass uses, printing inks, thick film pastes, quantum dots, and specialized measurement or monitoring uses.

Use those examples as a cue for record structure, not as a substitute for checking the exact entry. The support file should be precise enough that an auditor can compare the product facts with the Annex wording without asking engineering to reconstruct the design history.

RoHS documentation should connect the exemption decision to the conformity assessment file. Directive 2011/65/EU requires manufacturers to draw up technical documentation, carry out the relevant conformity assessment procedure, draw up the EU declaration of conformity, affix CE marking, and keep the technical documentation and EU declaration of conformity for 10 years after the EEE has been placed on the market.

Commission Implementing Decision (EU) 2020/659 identifies EN IEC 63000:2018 as the harmonised standard for technical documentation used to assess materials, components, and EEE against RoHS restricted-substance requirements. Use that structure to keep supplier declarations, material declarations, test reports where needed, exemption mapping, and change-control evidence aligned.

Exemption evidence should not stop at the date the product launched. Article 5 says exemptions have validity periods, may be renewed, and can be deleted when the conditions for inclusion are no longer fulfilled. A renewal application must be made no later than 18 months before the exemption expires, and an existing exemption remains valid until the Commission decides on that renewal application.

The Commission implementation page states that RoHS exemptions are limited in time and reassessed regularly, considering substitute availability, practicability and reliability, environmental, health and consumer safety impacts, socioeconomic impact, and potential adverse impacts on innovation. It also states that a RoHS exemption decision currently takes 18 to 24 months from the application date.

The most common mistake is treating the word "exempt" as the conclusion instead of documenting the legal and technical match. Lead, mercury, and cadmium exemptions are narrow, and the same substance can appear in multiple entries with different applications, categories, concentration limits, amount limits, and dates.

Another weak pattern is relying on a supplier's generic RoHS statement after a material, category, or Annex entry changes. A defensible exemption record should survive supplier changes, market-surveillance questions, customer audits, and future product changes.

Directive 2011/65/EU defines a homogeneous material as one material of uniform composition throughout, or a material made from a combination of materials that cannot be disjointed or separated into different materials by mechanical actions.

The Directive's examples of mechanical actions include unscrewing, cutting, crushing, grinding, and abrasive processes. If those actions can separate the item into different materials, each separated material needs its own RoHS assessment.

The current consolidated Annex II lists ten restricted substances and their maximum concentration values tolerated by weight in homogeneous materials. Cadmium has a lower threshold than the other listed substances.

For most listed RoHS substances, the Annex II limit is 0.1% by weight in the homogeneous material. Cadmium is limited to 0.01% by weight in the homogeneous material.

Start with the bill of materials, but do not stop at component names. RoHS evidence should map to the actual materials that can be separated or that remain inseparable after reasonable mechanical actions.

For a cable, that can mean separate evidence for copper or alloy conductors, plating, insulation, filler, shield, jacket, labels, and any coatings. For a printed circuit assembly, it can mean separate records for solder, component terminations, board laminate, component bodies, conformal coating, adhesives, and hardware.