IEC 60601 Electrical-Safety Test Planning: Agree the Scope Before Sending Samples

Establish the standards list before the quotation

Powered products do not all share one electrical-safety checklist. Check the intended purpose and construction against the scope, then consider collateral and particular standards alongside the general standard. IEC explains that the general standard should not be used alone where a particular standard exists.

Distinguish the international edition from the edition applicable to Korean review. Discuss scope with the laboratory using the product description and proposed standards, documenting exclusions. If using overseas evidence, consult the foreign test-report guide.

Make basic safety and essential performance observable

Prepare design evidence showing controls for electric shock, excessive temperature, mechanical hazards and other relevant risks. Essential performance is not simply every product feature. Link its identification to whether a loss or degradation creates unacceptable risk.

Specify outputs, accuracy, alarms or safe states and the conditions in which they will be observed, rather than “the device shall work normally.” If no essential performance is identified, retain the reasoning. The links described in the risk-management guide become concrete test observations here.

Freeze a configuration representing what will be sold

List adapters, batteries, power cords, sensors, applied parts and connected equipment as well as the main unit. Where prototypes differ from production units, identify differences, impact and later verification. A mismatch between the tested and marketed configuration may require reassessment of report coverage.

Item	Question before testing
Power	Ratings, supply modes and use while charging?
Contact parts	Patient/operator contact locations and classification rationale?
Model family	Circuit, output and construction differences; representative-model rationale?
Accessories	Identified permitted combinations, suppliers and models?
Operating modes	Defined maximum output, standby, alarm and other states?

A representative model should explain the relevant risks and differences, rather than simply being the most expensive or first-listed model. Retain the basis for extending its results.

Supply design and critical-component evidence together

Prepare circuit and construction drawings, insulation explanations, ratings, component lists and relevant component evidence. The protection arrangements—such as insulation or protective earth where applicable—must be understandable. Track the availability and current version of each item requested by the laboratory.

Component certificates matter only with their conditions of use. Compare ratings and installation conditions with the device and identify planned alternatives. Map each document to the decision it supports instead of sending unrelated files in volume.

Assess the wider impact of changes after a failure

If a leakage-current, temperature or other failure leads to component, spacing, enclosure or software changes, assess whether retesting only the failed item is sufficient. A modified protection measure may affect performance or EMC. Connect the original result, reason for change, new sample identity and re-verification scope.

After successful testing, production controls must maintain the assessed components and construction. Link approved drawings and critical-component lists to purchasing and production records. Prevent a laboratory-only configuration from becoming the evidence for a different shipped product.

Reconcile models, editions and conditions in the report

Look beyond the pass statement. Compare model identifiers, photographs, accessories, power, software and standard editions with the application. Read exclusions, limitations, notes and referenced evidence. Safety, performance, usability and EMC evidence should describe the same product and conditions.

Bring specifications, power/accessory lists, circuit and construction information and existing reports to an electrical-safety evidence review. Agree scope and configuration before ordering tests; sample quantities and schedules can then be discussed with the laboratory on a defined basis.

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Sources checked: 2026-09-28. The tables and preparation steps are practical suggestions; confirm the legal submission scope and applicable standards for the particular product.

• IEC 60601-1:2005+AMD1:2012+AMD2:2020
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