Electric Magazine May/June 2018

ELECTRIC.IE • The Magazine & Website for the Irish Electrical Industry • 13 For example, it is misleading to market and promote an LED panel ώͱ͹ǡ by analysing the photometric files in a lighting design that the panel ώͱ͹ ͳǤͲ ͶǤʹ ȋ a ͲǤʹǡ ͰǤ͸ installed in either crosswise or endwise orientation). Included here is a UGR table produced using RELUX design software for the ώͱ͹ Ǥ ώͱ͹ the first columns are highlighted to illustrate the glare performance at different room dimensions. Although not a legal requirement, ͱͲʹͶʹǦͱ recommended as best practice. There is a real need for clarity and openness on glare requirements in the lighting market and at the very least, customers deserve to know and understand if a light fitting ώͱ͹ described. In the meantime, the onus is on specifiers to look beyond claims and carry out due diligence by engaging fully with lighting companies and lighting designers in order to select products that meet the glare requirements of the project. Mark Walshe, Technical & Quality Manager, Led Group & Member of the Lighting Association Ireland References: 1. EN 12464-1:2011 – Lighting of work places. Part 1: Indoor work places 2. CIE 117:1995 – Discomfort glare in interior lighting 3. IES LM-79-08: Electrical and photometric measurements of solid- state lighting products 4. EN 13032-1:2004+A1:2012 – Measurement and presentation of photometric data of lamps and luminaires. Measurement file format. 5. EN 13032-2:2017 – Measurement and presentation of photometric data of lamps and luminaires. Presentation of data for indoor and outdoor work places. 6. EN 13032-3:2007 – Measurement and presentation of photometric data of lamps and luminaires. Presentation of data for emergency lighting of work places. 7. EN 13032-4:2015 – Measurement and presentation of photometric data of lamps and luminaires. LED lamps, modules and luminaires. 8. CIBSE SLL Code for Lighting 2012 9. CIBSE LG3 Industry News