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           Issue No 28                                                                                                             September 2009
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Siemens Sept 09
 
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In this issue...
- Back to basics for education
- Testing of single phase supply connections only (Part 3)
- Electrical contractors, seen from a woman's perspective
- Accreditation for lightning protection systems
- Disposal of fluorescent lamps
- Handelaars staan saam
- Alstom SA becomes ACTOM
- New NRCS regulatory levies for SABS Mark bearing products
- 2009 Intelligent Building Automation Symposium report back
- Lighting and the visual system
- Optimise your health with good lighting
- Online monitoring of drives
- Risk assessment in explosion prevention
- Stadia - Coliseums of the 21st Century
- Small but powerful
- Principles, testing methods and applications: earth ground resistance
- ECA News
- Company, product, project and service news
- Employers seek the following skilled candidates for full-time positions
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Gavin LloydBack to basics for education
by Gavin Lloyd, SA Geomatics Institute
 
A public debate is raging over the revelations contained in a draft Higher Education South Africa (HESA) report of the pilot assessments done of a large sample of students already accepted for tertiary education... (more)
Testing of single phase supply connections only (Part 3)
by Chris Koen, ECA
 
The instrument used for testing polarity is an insulation tester, set on the ohm scale, or use lowest resistance range of a multi meter. This test determines whether the single-phase installation is correctly wired... (more)
Electrical contractors, seen from a woman's perspective
by Marilyn Mann
 
Are you finding it difficult to get work? Are you sure that the problem does not lie with you? As a woman and having seen quite a few contractors at work over our 20 years in business, I have a few points for contractors to ponder... (more)
Accreditation for lightning protection systems
 
I need to gain accreditation for my people on SANS 10313, (lightning protection systems) to enable them to do the COCs as stipulated in SANS 10313, but I get the run-around from SANS, NETFA, ECA, etc. Please can you help?... (more)
Disposal of fluorescent lamps
by Marilyn Mann and Bernie Carr
 
I recently attended a meeting of IESSA, the Illumination Engineering Society of SA, on the safe disposal of hazardous waste - namely all mercury-filled lamps. It would seem that very little is known or being done about this major problem... (more)
Handelaars staan saam
deur Michael Vroomen 
 
Om mededingend te kan handel dryf, is dit belangrik om saam te staan en so die beste moontlike uitkoms te verseker. Sowat 13 onafhanklike elektriese groothandelaars het in 1999 besluit om kragte saam te snoer en ElectroBase is gestig wat lede in die bedryf se belange bevorder... (more) 
Alstom SA becomes ACTOM  
Information from ACTOM
 
Alstom South Africa has rebranded itself with a new name and corporate identity. The changeover was implemented during September 2009. ACTOM MD Mark Wilson says apart from the new name and identity, everything remains the same... (more)
New NRCS regulatory levies for 2009
Information  from ESASA
 
The National Regulator for Compulsory Specifications
(NRCS) has proposed introducing new regulatory levies on electrical products bearing the SABS Mark, which were previously exempt from such levies... (more)
2009 Intelligent Building Automation Symposium - a pity if you missed it!
by Hans van de Groenendaal
 
To those who missed the event - it is a pity! You missed two days of riveting presentations and discussions on aspects of building automation that will shape the future of South Africa's quest to harness energy and to use it wisely and economically... (more)
Lighting and the visual system
by Brian Rowell, Lightworx
 
Lighting design is aimed at providing a visual environment for optimum performance of a visual task. This article is an extract from Brian Rowell's new book, "Lighting Design and Application - A practical guide for lighting practitioners", available from EE Publishers... (more)
Optimise your health with good lighting
Information from Radiant Lighting
 
The link between light and human health is embedded in our molecular make-up. Lighting levels determine our body clock, affecting the biochemical, physiological and behavioural processes that keep us alive and healthy... (more)
Online monitoring of drives
Information from Siemens 
 
Customers expect variable speed drive products to function reliably, but ensuring that they do so under all conditions is anything but a trivial matter. In some cases, an electronic condition monitoring system is indicated... (more)
Risk assessment in explosion prevention
by Erik Stromvig and Teboho Leepile, Sasol Synfuels

The area classification for hazardous locations takes into consideration the probability of occurrence of an explosive atmosphere due to the presence of dust, fibres, gas, vapour or mist... (more)
Stadia - Coliseums of the 21st century
Information from WSP Consulting Engineers

This article describes the cutting edge information and communication technologies installation at the Greenpoint Stadium in Cape Town and the Nelson Mandela Bay Multi Purpose Stadium in Port Elizabeth... (more)
Small but powerful
Information from Siemens

Building automation today is no longer confined to large business complexes, shopping centres or hotels, and extends much further than merely turning on lights or opening gates... (more)
Principles, testing methods and applications: earth ground resistance
Information from Comtest

Without an effective grounding system, we could be exposed to the risk of electric shock, not to mention instrumentation errors, harmonic distortion issues, power factor problems and a host of possible intermittent dilemmas... (more)
ECA news
Company, product, project & service news
 
Employers seek the following skilled candidates for full-time positions... 
 
EE Recruitment has Employers on its books seeking Candidates to fill the the following full-time positions. For full details, and to apply, visit the Candidate Zone at www.eerecruitment.co.za and do a search on the Job Reference Number of interest:

AFG0001: Service manager - surveying instrumentation
AVN0001: Electronics field applications engineer
CPS0001: Sales executive to the surveying industry
COM0001: Sales engineer for telecomm, networking & monitoring solutions
CON0001: Business development manager - power industry
COU0001: Satellite mission control specialist / manager
DEN0001: Sales, marketing and business development executive
ELE0003: Automation and control consultant
ELE0002: Sales manager - LV switchgear and control components
ELE0001: Workshop technician - LV switchgear and instrumentation
END0003: Projects & solutions consultant for instrumentation & automation
END0002: Training officer for pressure measurement and control
ENZ0001: Professional power eng - specification, design & engineering
EXT0001: Internal sales engineer - explosion protection systems
FOX0001: Electronics technician in the instrumentation sector
GFI0001: Mine engineering manager - electrical & surface
ISO0001: Junior sales and admininistration clerk in electrical sector
MOD0001: Electronics design eng for inverter welders & power electronics
MON0001: Maintenanace artisan - electrician, fitter, millwright
OEN0001: Analyser & instrument technician
OPT0001: Sales consultant: survey & mapping
PAN0001: Technician engineer - LV switchgear, distribution & MCCs
PAR0001: Principal engineer - transmission & distribution protection design
PAR0002: Senior protection engineer for foirm of consulting engineers
REL0001: Consultant for protection, generation & excitation systems
RWE0001: Test technician - medium voltage switchgear
SAS0001: Senior elec eng with management skills - petrochem sector
SPO0001: Elec eng with project management skills for building services
SYS0001: Systems engineer - power, instrumentation & automation
SYS0002: Electrical engineer - power and instrumentation industry
SYS0003: Project engineer - power and instrumentation industry
VTT0001: Electronics service technician
WIL0002: Technical sales and marketing consultant
WIL0003: Branch manager for electrical and industrial company
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