{
  "url": "https://openlegislation.uk/draft-ecodesign-for-energy-related-products-and-energy-information-lighting-products-regulations-2021/schedule-3/paragraph-3",
  "json_url": "https://openlegislation.uk/draft-ecodesign-for-energy-related-products-and-energy-information-lighting-products-regulations-2021/schedule-3/paragraph-3.json",
  "legislation": "ukdsi/2021/9780348225488",
  "legislation_title": "The Ecodesign for Energy-Related Products and Energy Information (Lighting Products) Regulations 2021",
  "legislation_url": "https://openlegislation.uk/draft-ecodesign-for-energy-related-products-and-energy-information-lighting-products-regulations-2021",
  "path": "schedule/3/paragraph/3",
  "kind": "paragraph",
  "number": "3",
  "heading": "Functional requirements",
  "text": "The functional requirements specified in Table 5 apply to light sources.\nTable 5\nFunctional requirements for light sources\nColour rendering\nCRI ≥ 80 (except for HID with Φuse > 4 klm and for light sources intended for use in outdoor applications, industrial applications or other applications where lighting standards allow a CRI< 80, when a clear indication to this effect is shown on the light source packaging and in all relevant printed and electronic documentation)\nDisplacement factor (DF, cos φ1) at power input Pon for LED and OLED MLS\nNo limit at Pon ≤ 5 W;\nDF ≥ 0.5 at 5 W < Pon ≤ 10 W;\nDF ≥ 0.7 at 10 W < Pon ≤ 25 W;\nDF ≥ 0.9 at 25 W < Pon\nLumen maintenance factor (for LED and OLED)\nThe lumen maintenance factor XLMF% after endurance testing in accordance with Schedule 5 must be at least XLMF,MIN% calculated as follows—\nX LMF,MIN %=100×e ( 3000×ln⁡( 0.7 ) ) L 70 where L70 is the declared L70B50 lifetime (in hours).\nIf the calculated value for XLMF,MIN exceeds 96.0%, an XLMF,MIN value of 96.0% applies.\nSurvival factor (for LED and OLED)\nLight sources must be operational as specified in row “Survival factor (for LED and OLED)” Schedule 2, Table 1, following the endurance testing given in Schedule 5.\nColour consistency for LED and OLED light sources\nVariation of chromaticity coordinates within a six-step MacAdam ellipse or less.\nFlicker for LED and OLED MLS\nPst LM ≤ 1,0 at full-load\nStroboscopic effect for LED and OLED MLS\nBefore 31st August 2024:\nSVM ≤ 0.9 at full-load (except for light sources intended for use in outdoor applications, industrial applications or other applications where lighting standards allow a CRI< 80);\nFrom 1st September 2024:\nSVM ≤ 0.4 at full-load (except for light sources intended for use in outdoor applications, industrial applications or other applications where lighting standards allow a CRI< 80)",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ukdsi/2021/9780348225488/schedule/3/paragraph/3",
    "retrieved_at": "2026-10-30T14:46:52.629854+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}