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EE Publishers
P O Box 458
Muldersdrift
1747
South Africa
Tel: 011 543 7000
Fax: 011 543 7025
admin@ee.co.za
www.ee.co.za |
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Business partnerships in industry
by Mark Mfikoe, national director, ECA(SA)
The construction industry within which we operate is ripe for the formation of partnerships because it is at the implementation node of the infrastructure development imperatives of South Africa... ( more)
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 SEIFSA settlement a "death knell" for small business
by Herman Mashaba, Free Market Foundation
A settlement reached by the MEIBC and SEIFSA demonstrates the hypocrisy dominating the current discourse about the importance of small business to the South African economy... ( more)
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 by Mark Palmer, W Cape Approved Electrical Inspection Authority
It has become apparent that many attorneys involved in the conveyance of property are either ignorant of legislative requirements or treat the issue of certificates of compliance (CoCs) with some contempt... (more)
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ECA(SA) Presidential Excellence Awards, National Golf Day
The ECA(SA) and Vector invite you to meet the movers and shakers in the electrical contracting industry, develop business relationships in the sector and to have fun at the 2014 ECA(SA) Presidential Excellence Awards banquet and National Golf Day... (more)
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CIDB publishes best practice fee notice
compiled by Lucas Bowles, ECA(SA)
The Construction Industry Development Board (CIDB) has published a best practice fee notice for public comment. This notice recommends that a fee of 0,2% be payable on projects which are graded by the CIDB between 7 and 9, i.e. projects valued at over R13-million.... (more) |
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Employment contracts: the fixed-term contract
by Stephen Khola, ECA(SA)
In instances where employment is not permanent, employers and their employees are encouraged to conclude a fixed-term contract of employment. This is for a specific period of time or, if the time period is unknown, for a specific project... (more)
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by Peter Adams, EE Publishers
Vector's speaks to Paul Louw from ABB about low-voltage switchgear, its purpose, communication and the dangers of using outdated switchgear, and shares a number of tips on the selection, installation and use of LV switchgear... (more)
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| Precise spatial measurement for the perfect illusion
Information from Leica Geosystems
The Urbanscreen artist group from Bremen have plunged the Gasometer in Oberhausen into a perfect light illusion as part of the giant multimedia installation, "320° Licht". The precise measurement of space is the basis for this digital art... ( more) |
| LED retrofit lamps: the socket race is on
by Henk Rotman, Philips Lighting Africa
An LED lamp will likely not be replaced when it reaches end-of-life. Instead, the whole fixture or lighting installation will be replaced. As a consequence, it is crucial for LED lamp suppliers to be the first to "occupy the socket"... (more)
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by Marty Martin, Copper Development Association, USA
As we connect more electronic devices to our power systems, the quality of the power becomes more complex. Grounding affects voltage stability and is critical to personal safety... (more)
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Most LED manufacturers use units of luminous intensity (cd) for the measurement and classification of LED brightness. This procedure is reliable and reproducible for numerous LED types, but is insufficient for LEDs with narrow emission angle characteristics... (more)
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This month, our readers respond to our articles on training in the electrical contracting industry and on staying abreast with legislation, and voice concern about IESSA's new committee to combat sub-standard product... (more)
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| Switchgear for power factor correction systems
by Dirk Meyer, Eaton
The importance of differentiating between various circuit types or capacitor assignments to inductive loads when implementing power factor correction (PFC). A differentiation is made between individual PFC and group PFC... (more)
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by Adam Willwerth, Electro Static Techology, USA
Currents induced on motor shafts by variable speed drives (VFDs) can wreak havoc with motor bearings, shortening motor life dramatically and necessitating costly repairs. A reliable method of shaft grounding is essential to mitigate these currents and realise the full potential of VFDs... ( more) |
| Powder coatings based on epoxies and other synthetic resins
by Peter Marple, 1973
While thermoplastic resins such as vinyl and polythene have been in use in South Africa for quite a few years, thermosetting resin powders (epoxides) only started to gain popularity and wide acceptance around 1970... ( more) |
Ilanga II: Under the hood of a sun chaser
by Pierre Potgieter, EE Publishers
The Ilanga II is a prototype solar racing car developed by the University of Johannesburg (UJ) Solar Team to compete in this year's biennial Sasol Solar Challenge... (more)
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Most common wastes in an electro-mechanical system Information from Comtest
According to US Department of Energy estimates, motors account for 70% of all electricity used by industry. They are prime targets for finding and reducing energy waste because they use so much energy... (more)
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Company, product, project & service news
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