Posts Categorised: Knowledgebase

Maintenance Factors – IEC 62717 & IEC 62722-2-1

International standards on how life time of LED-luminaires should be declared have now been published. This document is collated from information provided by IEC. See also ‘CIE 154:2003 Maintenance of Outdoor Lighting Systems’ for further reference. The standards are: IEC 62717 LED-modules for general lighting – Performance requirements IEC 62722-2-1 Particular requirements for LED luminaires…

WEEE – Waste Electrical and Electronic Equipment

What is it? As of July 2005, businesses, organisations and/or institutions have been required by law to register with the Environment Agency when they produce 200KG or more of Waste Electrical and Electronic Equipment (WEEE) containing Hazardous Waste. Ark Lighting Ltd is meeting its producer responsibility via membership of the Lumicom Producer Compliance Scheme.  Through…

Ingress Protection Explained – IP rating

Ingress Protection (IP) Ratings The IP rating system provides a means of classifying the degrees of protection from solid objects and liquids afforded by electrical equipment and enclosures. The system is recognized in most European countries and is set out in a number of British and European standards. These include: Classification of Degrees of Protection…

Photometry & Design

We can provide .IES or .LDT files for all products which can be used with most lighting design software. Alternatively we can offer design support service. Lighting Design is our service and understanding our customers goals is our strength. Using the latest technology in lighting design we can offer an economical solution for any application….

Funding by Ark Lighting

With over 60 years combined experience, Ark Lighting and Clear Asset can offer the most efficient lighting products combined with funding making the investment at the minimum cost neutral in the first 3-7 years with huge savings generated after that period. If you would like to benefit from tomorrows technology today, funding provided by Ark…

BS5489:2013 which replaces BS5489:2003

Change to BS5489:2013 (which replaces BS5489:20003) In 2013 the British standard was updated to recognise the use of the S/P ratio of a light source to determine the actual visible lighting level. The ratio of the luminous output of a light source evaluated according to the CIE scotopic spectral luminous efficiency function, V'(λ), to the…

Frequently Asked Questions

Q. What are the standard planting depths for rooted columns? A. 5m Column* – 800mm 6m Column* – 1000mm 8m Column* – 1200mm 10m Column* – 1500mm *measurement of column out of ground Q. What fuse ratings are required for HID lamps? A. 70w require 6amps 100w require 6amps 150w require 6amps 250w require 10amps…