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EMC Testing for Lighting and LED Products

LED drivers, switching power supplies, control cables and wireless modules can all affect a lighting product’s electromagnetic compatibility. Stancer Testing-Lab provides lighting EMC testing and engineering support, helping your team evaluate emissions, immunity and connected-product radio requirements.

Our ISO/IEC 17025-accredited EMC and RF laboratory supports development investigations and formal testing. We plan representative operating modes, dimming settings, cable arrangements and performance monitoring around your product and intended markets.

Start with EMC testing planning, and include RF and wireless testing when the product contains a transmitter. Applicable standards, editions, configurations and accredited methods are confirmed before testing.

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Global Harmonization lighting

Lighting Products and Test Preparation

A luminaire should be evaluated with the drivers, controls, accessories and installation arrangements relevant to the product you intend to supply.

LED lamps and luminaires

Indoor and outdoor lighting products, evaluated with representative power conditions and light-output settings.

Drivers and power supplies

Lighting power electronics, with the connected load and cable arrangement considered when selecting the test configuration.

Commercial and architectural lighting

Lighting systems with dimming interfaces, remote controls and connected accessories that can influence emissions and immunity.

Smart and connected lighting

Radio-enabled lighting products, with EMC and wireless requirements reviewed together for the finished product.

Build a representative lighting test plan

  1. Identify the requirementsDefine target markets, product functions, intended environment and installation conditions.
  2. Prepare the configurationSupply the drivers, lamps, loads, controls, cables and accessories needed for operation.
  3. Exercise and monitorAgree dimming modes and how light output, resets and control responses will be observed.
  4. Record and reviewDocument the tested setup, measurements, functional responses and any design changes.

Lighting EMC Standards and Common Questions

Lighting emissions, immunity, power-quality emissions and radio testing address different requirements. We review the relevant combination for your product before scheduling.

Common references reviewed when planning lighting compliance
ReferenceRole in the evaluation
CISPR 15 / EN 55015Limits and measurement methods for radio disturbances from applicable electrical lighting and similar equipment.
IEC 61547 / EN 61547EMC immunity requirements for applicable general lighting equipment. Product functions and performance criteria guide monitoring.
FCC Part 15 Subpart BU.S. requirements relevant to applicable LED lighting equipment. Classification and authorization requirements are reviewed for the product.
ICES-005Canadian interference-causing equipment requirements for applicable lighting equipment.
IEC/EN 61000-3-2 and 61000-3-3Harmonic current emissions and voltage fluctuation/flicker requirements where applicable to the supply connection and equipment rating.
Applicable radio requirementsAdditional FCC, ISED or ETSI requirements may apply to lighting products with intentional transmitters.

This guide identifies requirements to review; accreditation coverage and test capability are confirmed for each proposed method and edition. Review our accreditation information with the test plan.

For market-specific planning, see FCC testing, ISED testing and CE marking support. Send the EMC and RF Client Information Sheet with the product specifications to help us prepare your quotation.

What is the difference between CISPR 15 and IEC 61547?

CISPR 15 addresses radio disturbances emitted by applicable lighting equipment. IEC 61547 addresses immunity: how applicable general lighting equipment performs when exposed to electromagnetic disturbances. The product, intended markets and applicable editions determine which evaluations are needed.

Should lighting products use generic EMC standards?

An applicable lighting product or product-family standard normally takes priority over a generic EMC standard. Generic standards may be relevant where no applicable dedicated standard exists. We review the product’s functions and intended environment rather than applying one standard to every lighting device.

Do dimming controls and wireless modules affect the test plan?

Yes. Drivers, dimming settings, control interfaces and cable lengths can affect emissions and immunity responses. A wireless module can introduce separate radio requirements, and its approval conditions need review in the finished product. Supply the intended accessories and explain the operating modes before testing.

Are mains flicker measurements the same as visible LED flicker?

No. EMC voltage fluctuation and flicker testing evaluates disturbances that equipment introduces into the supply network. Optical flicker characterizes the emitted light. These are different evaluations; our harmonic and flicker testing page explains the power-network evaluation. EMC pre-compliance testing can also help investigate emissions or immunity concerns during development.

Lighting Equipment

Plan your testing

Discuss your testing requirements

Tell us about your product and target markets. Our technical team will help clarify the testing scope and prepare a tailored quotation.

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