List of acronyms

1LR Single Lighting Regulation AC Alternating current AECI Annual energy consumption indicator BAU Business as usual scenario BC Bayonet cap CCG Conventional magnetic control -gear CCT Correlated colour temperature Cd Cadmium cd Candela; international base unit of luminous intensity cd/m² Candela per square meter; international unit for luminance CEN Comité européen de normalisation CEN/TC Technical Committee of the European Committee for Standardisation CENELEC Comité européen de normalisation en électronique et en électrotechnique CFL Compact fluorescent lamp CFLi Integrated compact fluorescent lamp CFL -I Integrated compact fluorescent lamp CFLni Non -integrated compact fluorescent lamp CFL -NI Non -integrated compact fluorescent lamp CIE Commission internationale de l’éclairage CLP Regulation on classification, labelling and packaging of substances and mixtures COM CRC Scheme Carbon Reduction Commitment Energy Efficiency Scheme

CRI Colour -rendering index (commercial term; for international standard see: R a) CSR Corporate social responsibility DALI Digital Addressable Lighting Interface DC Direct current DG Directorate -General; department at the European Commission DG ENER Directorate -General for Energy DG ENVI See: DG ENV DG ENV Directorate -General for the Environment DG CONNECT Directorate -General for Communications Networks, Content & Technology DG CNECT See: DG CONNECT DG CLIMA Directorate -General for Climate Action DG Growth Directorate -General for Internal Market, Industry, Entrepreneurship and SMEs DG GROW See: DG Growth DG MOVE Directorate -General for Mobility and Transport DG SANTE Directorate -General for Health and Food Safety DG SANCO See: DG SANTE DG TRADE Directorate -General Trade DOE United States Department of Energy DLS Directional light source DSM Digital Single Market ECG Electronic control -gear ECHA European Chemicals Agency ED Eco -Design Directive ( Directive 2009/125/EC ) EE Energy Efficiency EED Energy Efficiency Directive ( Directive 2012/27/EU ) EEE EEI Energy Efficiency Index EEIF Energy Efficiency Industrial Forum EFTA European Free Trade Association ELD Energy Labelling Directive ( Directive 2010/30/EU ) EM Electromagnetic ENEC European Norms Electrical Certification EoL End -of -lifetime EP EPBD Directive on the energy performance of buildings (Directive 2010/31/EU ) EPC Energy Performance Certificate ERP Energy -related products ES Edison screw EU European Union FL Flood; reflector lamp beam angle of 20 -35 ○ GA Gamut Area GAI Gamut Area Index GHG Greenhouse gas GLS General Lighting Service; light bulbs GPP Green Public Procurement HAL Halogen lamp HCL Human centric lighting HF High -frequency Hg Mercury HID High -intensity discharge lamp HPS High -pressure sodium lamp HVAC Heating, ventilation, and air conditioning IA Impact Assessment IEC International Electrotechnical Commission IES Illuminating Engineering Society IoT Internet of Things IRC Infrared coating JRC Joint Research Centre; the European Commission’s in-house research centre K Kelvin LCA Life -cycle assessment LCC Life -cycle costing LCP Light -circuit power LE LightingEurope LED Light -emitting diode LENI Lighting energy numeric indicator LFL Linear fluorescent lamp lm Lumen; luminous flux or power, the total quantity of visible emitted light lm/W Lumen per Watt; luminous efficacy lm ⋅s Lumen second; luminous energy per second LOR Light -output radio LOT 37 Ecodesign Prepar atory Study on Lighting Systems LPD Lighting Power Density lx Lux; international unit measuring luminous flux per unit area lx ⋅s Lux second; luminous exposure MEErP Methodology for the Ecodesign of Energy -related Products MELA Middle East Lighting Association MEP Member of European Parliament MES Market economy status MH Metal -halide lamp MR Multifaceted reflector MS Market surveillance authority (beware of context! See ‘MS’ for other usage) MS Member State of the European Union (beware of context! See ‘MS’ above for other usage) NAMS New Approach and Market Surveillance NDLS Non -directional light source NFL Narrow flood: reflector lamp beam angle of 15 -20 ○ NI Non -integrated NSP Narrow spot; reflector lamp beam angle of 5 -10 ○ OECD Organisation for Economic Cooperation and Development OJEU Official Journal of the European Union OLED Organic light -emitting diode PAR Parabolic aluminised reflector PIR Passive infrared PLED Polymer light -emitting diode PPORD Product and Process Orientated Research and Development QD Quantum dot

Ra Colour -rendering index (international standard; for commercial term see: CRI) RAPEX Rapid Alert System for non -food dangerous products REACH Regulation on the Registration, Evaluation, Authorisation, and Restriction of Chemicals RGB Red -green -blue colour model RoHS Directive on the restriction of the use of certain hazardous substances in electrical and electronic equipment SDCM Standard deviation colour matching SLR Single Lighting Regulation SMEs Small and medium -sized enterprises SP Spot; reflector lamp beam angle of 10 -15 ○ SPD Spectral power distribution SSL Solid -state lighting SVHC Substances of very high concern T12 Fluorescent lamps that are 12 /8" of an inch in diameter T5 Fluorescent lamps that are 5/8" of an inch in diameter T8 Fluorescent lamps that are 8/8" of an inch in diameter TBS Technical building system TBT Technical barriers to trade TEU Treaty on European Union TF Task Force TFEU Treaty on the Functioning of the European Union TL Tube luminescent ; fluorescent lamp TTIP Transatlantic Trade and Investment Partnership UGR Unified Glare Rating UNCTAD United Nations Conference on Trade and Development UNECE United Nations Economic Commission for Europe V Volt VA Volt -ampere VNSP Very Narrow Spot; reflector lamp beam angle of <5 ○ VWFL Very wide flood; reflector lamp beam angle of 50 -80 ○ W Watt WEF World Economic Forum WFL Wide flood; reflector lamp beam angle of 35 -50 ○ WG Working Group WHO World Health Organisation WLED White light -emitting diode WTO World Trade Organisation XWFL Extra wide flood; reflector lamp beam angle of >80 ○