calculating voltage drop in 3 phase systems

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Leading Smart Home technology specialist LightwaveRF has introduced a variety of new accessories to complement the existing portfolio of products.
A project to upgrade lighting in the gallery spaces at the National Portrait Gallery has made full use of Lumicom’s luminaire disposal services to ensure that all end-of-life fixtures were disposed of responsibly.
The Health and Safety Executive (HSE) has launched a new campaign to help tradespeople at risk from the dangers of asbestos exposure.
BS 7671: 2008 (2015), the long awaited Amendment 3 to the 17th Edition of the IET Wiring Regulations, is now in force - effective from January 1st 2015. There will be a six month transition period where electrical contractors can install to Amendment 2 or Amendment 3, after which it will be a requirement that all electrical installations...
It is well known that when a 3-phase load current includes third or other triple harmonic currents these currents are additive in the neutral.
The economics of energy efficiency and effective use of materials is throwing the spotlight on the eco-design of assemblies. BEAMA has updated two of its guides to enable specifiers and manufacturers achieve a design that balances user requirements with the latest technologies in accordance with BS EN 61439-2 Ed. 2 and BS EN 61439-6 Ed. 1:
Electrical Safety First is urging the Government to address poor quality housing after its new report concludes that one million people aged over 75 currently live in properties which fail to meet the Government’s own Decent Homes Standard.
Iain Macdonald, CEO of National Electrotechnical Training (NET), has welcomed the Government's decision to delay the proposed the new apprentice funding system while it investigates options further. By James Hunt:

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