 Beware the deadly "bargain"
by Mark Botha, EE Publishers
EE Publishers has learnt that the South African market is once again the target of sub-standard, non-compliant and counterfeit products sourced from China and sold to the public at often suspiciously "reasonable" prices... (more) |
 Registration of electrical contractors: confusion reigns by Chris Yelland, EE Publishers
The statutory registration of electrical contractors has been thrown into confusion, and as of
1 October 2011 this activity would appear to have become effectively dysfunctional... (more) |
 The lighting industry invaded
by Henk Rotman, Philips Lighting
The general lighting market is conservative and slow moving. This is evidenced by the fact that the very first commercial general lighting product, the incandescent lamp, is still one of the most used lamps worldwide. But a new arrival is set to change things drastically... (more)
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More dangerous multi-plug units out there
by Chris Yelland, EE Publishers
Despite EE Publishers drawing attention to the problem of dangerous and non-compliant multi-plug units months ago, the same problems have arisen again with some of the same importers, distributors and retailers, and the initial non-compliance identified has in fact widened to include to a further dangerous operating mode... (more) |
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Regulating the measurement and verification industry
The Council for Measurement and Verification Professionals of SA (CMVPSA) is a Section 21 company established as a Chapter of the SAEE to regulate measurement and verification practitioners in the industry. CMVPSA will operate in the same manner in which professionals in other recognised disciplines are regulated... ( more) |
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Counterfeit products pose safety threat
Distribution, protection and control equipment company CBI-electric: Low Voltage has become aware of imitation branded low voltage circuit breaker products that are both non-compliant and dangerous, but available in the market for purchase and distribution... (more) |
| How to implement energy-saving lighting solutions
Information from Philips
With lighting accounting for about 40% of the energy used in buildings, the question of how to save energy on lighting is becoming increasingly valid. What are the possibilities and the considerations? ... (more) |
| Recent developments of the colour rendering index
by Wendy Davis, National Institute of Standards and Technology
Work is under way within the CIE to recommend a new procedure for assessing the colour rendition of light sources for general illumination. Nine competing proposals are currently under consideration by the technical committee responsible for this task... ( more) |
| Thermal management for LEDs
Information from Lighting Africa
Poor thermal management can lead to early LED product failure. Fortunately, these types of failures can be avoided in the design phase with the use of simple, inexpensive thermal management techniques... ( more) |
| Procuring bulk belt conveyor drives
by Mark Barbour, BMG Drives
Bulk belt conveyor drives are critical elements of any production process and the failure of one of these drives can cause lost production to the tune of millions of rand. A sensible approach to the procurement of this type of equipment is to obtain complete drive systems from one supplier... ( more) |
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Ten myths about rechargeable batteries
Information from Uniross
Many people are reluctant to use rechargeable batteries because they have heard horror stories about them. This article seeks to dispel ten of the most common myths... (more) |
Seven types of power problem
by Joseph Seymour, APC by Schneider ElectricSophisticated technology has reached deeply into our homes and careers, and with the advent of e-commerce is continually changing the way we interact with the rest of the world. Intelligent technology demands power that is free of interruption or disturbance... ( more) |
Fast and safe replacement of measuring and metering devices
by Harry Bentler, Phoenix ContactPower producers are expanding LV and MV supply networks, and are focusing on measured value acquisition. Using pluggable measuring transducer terminals, measuring and protection devices can be designed to be replaceable using prefabricated cables... (more) |
Fault location made easy
Information from MeggerIt is often said that fault locating is more of an art than a science and, while there is a lot of truth in this, following a logical approach will enable you to find cable faults in power cable networks quickly, accurately and safely... ( more) |
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