 LV switchgear and controlgear assemblies and the law
by Bill Graham, Graham, Golding and AssociatesWhile most SANS standards are items subject to agreement and do not have the force of law, they do give effect to the law. Those that do have the force of law are often not understood, ignored or disregarded... ( more) |
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Policing of electrical installations by unaccredited agents of the DoL
by Chris Yelland and Mark Botha, EE Publishers
While electrical contractors need independent oversight to ensure there is no danger to life or property, this surely should not be provided by external agents of the Department of Labour (DoL) operating with exemptions from the competency and accreditation requirements of the Electrical Installation Regulations... ( more) |
More about the contractor and the Consumer Protection Act
by Tim Pearce, attorney
When I last wrote an article about the contractor and the Consumer Protection Act I dealt with the need for a contractor to provide a consumer with an estimate before carrying out repair or maintenance services... (more)
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New LED down lights have many features
Information from LED-Lighting SA
Environmental hazards like mercury pollution, high energy costs, low lumen output and inconsistent, uneven coverage are just a few of the associations with most lighting installations found in commercial settings today... ( more) |
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White light: the downside?
Information from International Dark Sky Association
A recent paper by the International Dark Sky Association argues that white light may have a number of negative visual, health and environmental effects... (more) |
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Energy management for domestic users of energy
by C Kaputu, EldoAfrica Energy Management Solutions
This paper gives an overview of domestic usage of energy and describes how sound energy management practices can be employed to improve sustainability as well as the "triple bottom line" of domestic users... (more) |
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LV switchgear and controlgear assemblies: surviving the "silent killer"
by Mark Botha, features editor
Heat resulting from power losses generated by equipment under load must be dissipated through the assembly enclosure cooling surface areas for non-ventilated arrangements to maintain temperature equilibrium at or below specified operating temperatures... (more) |
