e-News

Issue 104 August 2016

-------------------------------------

Get your e-Zines
free-of-charge!

Vector e-Zine

(PC & mobile editions)

Aug 2016 issue

Energize e-Zine

(PC & mobile editions)

Aug 2016 issue

Published by

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

New waste regulations: Are you prepared?
by Mark Botha, EE Publishers

Amendments to the National Environmental Waste Management Act are set to change the waste classification and disposal landscape in South Africa drastically... (more)

"Employee" vs. "independent contractor" - Part II
by Stephen Khola, ECA(SA)

In the previous issue, we dealt with the statutory guidelines relevant to determine whether a person is an employee or independent contractor. This month, we focus on the practical application of the statutory guidelines by dispute resolution forums... (more)

Solar park concept resurfaces in ministerial determination
by Mike Rycroft, EE Publishers

The concept of a large solar park was first mooted in 2009, when a proposal to construct a 5 GW solar park in the Upington area was made by the minister of energy... (more)

Maintenance of emergency lighting systems
Information from Cosine Developments

The cost of central emergency lighting systems rivals that of self-contained units and lowers maintenance and battery replacement costs. Current legislation has led to a huge drive to install emergency lighting in all public places where power failures could result disorientation and panic... (more)

Temperature measurement with thermocouples
by Rainer Huber, Osram Opto Semiconductors

A discussion of measurement procedures, the thermocouples used, their systematic errors and the correct ways to mount the thermocouples. Temperature measurement can generally be divided into two main categories - contact and radiation thermometry... (more)

A safety guide to LED lighting
Information from SAFEhouse

User face many choices when selecting suitable LED lamps and fittings for lighting interior and exterior areas. Product branding, where importers have the ability to mark products with the brand names of their choice, complicates the issue as it is difficult to evaluate such brands... (more)

Ten tips to optimise switchgear and enhance reliability

by Hal Theobald, Schneider Electric

Ten practical tips to optimise the performance and enhance the reliability of electrical switchgear equipment. According to studies published by the Hartford Steam Boiler Insurance Company and FM Global, electrical equipment failures cause millions of dollars' damage annually... (more)

Industry requirements and standards for luminaires
Information from the SAFEhouse Association

Substandard electrical products are threatening life and property around the world. In this article, the SAFEhouse Association highlights luminaires, their industry requirements and standards. Users have a vast choice of suitable luminaires for lighting interior and exterior areas... (more)

Rail system gives a new slant to gravity energy storage

by Mike Rycroft, EE Publishers

Advanced Rail Energy Storage (ARES) is developing a gravity based energy storage system which uses above-ground plant consisting of railway lines and loaded shuttle rail trucks. The system is claimed to be able to provide both active and reactive power affordably... (more)

Preventing electrical arcs
by Frank Hampton, Malaysian Switchgear Distributors

The cost of controlling electrical arcs relating to MV switchgear is enormous and industry should prevent them instead of controlling the results reactively. In our industry, most plants require the removal of apparatus from service to complete this maintenance... (more)

Lighting and surge protection for rooftop photovoltaic systems
Information from DEHN

PV systems will be integral to electrical installations of the future, but they are exposed to all weather conditions and must withstand lightning strikes over decades. The cables of PV systems frequently enter the building and extend over long distances... (more)

Which cable to choose - UL listed or UL recognised
Information from Helukabel

Cables for devices or machine design will not necessarily be acceptable in the US and Canadian markets just because they have an Underwriters Laboratories (UL) mark. The American market is important for selling internationally produced machinery and plant engineering... (more)

Troubleshooting load cell applications
Information from Keysight Technologies

This article explains how a remote connectivity solution helps load cell application service technicians ease their troubleshooting task. Before the introduction of the electronic load cell, mechanical lever scales were widely used in many industrial and commercial applications... (more)

Project Pinboard

Compiled by Aim�e Clarke, EE Publishers