Cabling is decisive for the success and reliability of any system. Its topology, dimensioning rules and components must be precisely adapted to the production environment. The optimum plug connectors must always be used depending on the particular application area, transmission medium and environmental requirements.

This article examines an alternative solution to starting large inline motors in order to minimise starting current and reduce associated voltage drop.

Part 1 of this article was published in December 2011. It discussed the financial, technical and organisational support afforded by local government through the Income Tax Act of 1962 for energy efficiency tax incentives. Part 2 highlights the benefits of standardised energy efficiency practices; it ends with recommendations for organisations wishing to claim these incentives and individuals wishing to enter a career of verifying energy savings.

As a result of the substantial changes made in the lightning protection codes of practice in 2010 and the author's belief that many contractors are not implementing the required changes, the author's company has embarked on an education programme to inform consulting engineers of these new requirements. This article gives an outline of the basic requirements of the SANS and IEC codes of practice.

The OEM transmitters described in this article are ‘embedded' in two different ways. Firstly, the sensor and the downstream electronics are ‘embedded' in the same housing, and secondly, the transmitter capsules themselves are ideally suited for embedding in application-specific systems. Depending on requirements, the output signal is standardised and temperature-compensated (rationmetric or digital).

This article clears up confusion in the marketplace about the different types of UPS systems and their characteristics - the information provided will lead to an educated decision as to the appropriate UPS topology for a given need.