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 by Mark Botha, editor
Electrical contracting, engineering and lighting companies stand to benefit substantially from the Industrial Development Corporation's mandate to create sustainable jobs through industrial development and economic growth... (more)
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Q&A: Ask an expert - SANS 164-2 plugs and sockets
Answers from the Crabtree Electrical team
In 2013, SANS 10142-1 identified SANS 164-2 as the preferred standard for plugs and socket systems and it is now expected that this configuration will be phased in on new installations. Vector talks to Crabtree Electrical about the new configuration... ( more)
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by Mark Botha, Editor
With the constant changes in the various fields of engineering, coupled with rapid technological advances, the four years engineering students spend at university has become insufficient and the university curricula cannot include an integrated approach to teaching different subjects in such a short tuition period... ( more)
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Light: the enabler for adaptable offices
by Henk Rotman, Philips
The role of the traditional office is changing and lighting has an important role to play as standard office designs evolve to accommodate modern ways of working, to meet the changing needs of office workers and to reflect organisations' values... (more)
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LED: what the end-user should know
Although the cost of LED products is currently higher than regular lighting systems, the demand is growing exponentially, which will inevitably result in reduced production costs. In addition, the life-expectancy of LED products is considerably longer... (more)
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Letters from our readers
This month's winning letter is a follow-up to the article in Vector, July 2014, titled "How to size a generator set". The writer expresses concern about a small generator set with a "floating neutral" not bonded to earth or the frame of the generator... (more)
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2014 ECA Presidential Excellence Awards Banquet and National Golf Day
The ECA invites you to meet the movers and shakers in the electrical contracting industry, develop business and personal relationships in the sector, and have fun at the 2014 ECA Presidential Excellence Awards Banquet and National Golf Day... (more)
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| The importance of a written contract of employment
Information from the ECA
As an industrial relations practitioner, I come across many instances where both employers and employees tend to undermine the importance of concluding written contracts of employment. In fact, I often hear the words, "there is no written contract of employment, therefore... (more)
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| Issuing of CoCs for existing installations where alterations are made
Information from the ECA
This is a controversial issue which has caused debate over the years, and it is important that electrical contractors take cognisance of the provisions of the Electrical Installation Regulations, 2009 (EIR)... (more)
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Calculation of escalation
Information from the ECA
This article aims to explain to electrical contractors how to manage the progress claims where they are nominated selected subcontractors for electrical installations, subject to escalation based on CPAP indices... (more)
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| Maximising surge protection safety
by Dan Ellis, Eaton
Servicing surge protection devices (SPDs) safely without impacting critical operations poses serious risks to maintenance personnel and mission-critical workloads. If the SPD has an internal disconnect, power on the line side of the disconnect continues to flow even when the disconnect is open... (more)
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Clever pumping: making the water industry's pumps intelligent
by Sanna-Kaisa Ehanto, ABB Drives
Climate change, increasing water demands and the legal obligations of the EU's Water Framework Directive are all making the water sector an attractive arena for technologies which can help reduce costs and reduce the effects of climate change... ( more) |
| Three steps for reducing total cost of ownership in pumping systems
by Lionel Gaudrel and Arnaud Savreux, Schneider Electric
Energy cost represents some 40% of the total cost of ownership of pumping systems, yet many organisations fail to introduce the proper steps to leverage cost reduction through efficiency improvements. The major barriers must be recognised and addressed to solve this dilemma... ( more) |
SA's position in the world nuclear energy picture
by A Roux, Atomic Energy Board, 1974
With its uranium enrichment expertise and technology, South Africa is in a position to enrich and market its uranium and, perhaps in future, to provide fuel elements for manifold identical stages... (more)
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The top six places to look for energy losses in buildings Information from Comtest
By using a thermal imager, most people can readily spot abnormal heat flow patterns and follow the heat trail to energy waste. The technique works best when used by people who already possess a good working knowledge of the structures and systems... (more)
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Comparing harmonics mitigation techniques
by Jonas Persson, Comsys
A comparison of harmonic mitigation techniques in a range of applications and settings, and theoretical and practical comparisons between active and passive series and shunt filters to reduce harmonic loading in a drive system... (more)
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Company, product, project & service news
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