Delegates at recent IESSA conference heard that competition from lighting manufacturers in the Far East does not pose a real threat to the local industry. EE Publishers MD Chris Yelland said the real danger lies with South Africa's regulatory mechanisms which are failing us... (more) 

In the mining industry where huge capital is required to develop projects, companies' ability to raise funds on the stock exchange is crucial. The Mineral and Petroleum Resources Development Amendment Bill (2012) could, however, hamper South Africa's capital raising capability severely... (more) 

There is widespread confusion in industry about what the South African Bureau for Standards (SABS) "mark" means, how companies can attain the SABS mark, and the difference between terms such as "accreditation" and "certification"... (more)

Disputes in the built environment are often complicated and involve issues at multiple levels, said Dr. John Fletcher, head of Dispute Resolution Services at the Royal Institution of Chartered Surveyors (RICS)... (more) 

Employees who have been found guilty in court, sentenced and imprisoned won't be able to work until they are released and may be dismissed for incapacity. Please note that you cannot just dismiss them for having a criminal record. You also cannot fire them for not being able to work as a result of their sentence... (more) 

How light fittings are to be positioned in compliance with the relevant standards; whether silicone sealant has a detrimental effect on cable insulation and whether an electrical shock to a worker was caused by static... (more) 

Food retailer Sainsbury's in Leek, Staffordshire, UK, needed a trusted, reliable solution that would provide high-quality lighting for its first-ever, all-LED supermarket. The shop in Leek subsequently became the first supermarket to use GE's Lumination Linear suspended luminaire... (more) 

Why drivers are needed for LEDs, their most important characteristics and their role in terms of influencing performance and lifetime. This article highlights how LED drivers offering operating windows are better equipped to deal with developments in the LED industry... (more) 

With the introduction of LED lighting, the lighting industry is faced with an infinite number of colour sources of light with numerous SPDs. The summation of SPDs can create even more diverse sources of light through combinations of these LED sources... (more) 

Motor contribution can be used to calculate maximum short circuit current and the short circuit rating of electrical equipment. It can be demonstrated that motor contribution is present during faults regardless of the size or voltage rating of the motor... (more) 

Variable frequence drives (VFDs) replaced motor generator sets and DC drives because of improved process performance and reduced maintenance costs. When the energy crisis occurred in the early 1970s, saving energy became a critical goal and the use of VFDs quickly spread... (more) 

The methods for evaluating power quality (PQ), electromagnetic compatibility (EMC), and solutions for improving PQ. Corrective maintenance is generally the consequence of incidents or malfunctions during operation requiring troubleshooting to apply corrective measures... (more)