Edition IEE - Voltimum - Search | | Results of your search | Results 91 - 100 About 1335 For edition brandid:IEU (0.79 Seconds) | | | | It is well known that when a 3 - phase load current includes third or other triple harmonic currents these currents are additive in the neutral. This neutral current will give rise to additional heating of the cables and other equipment in the circuit. Hence | | http://www.voltimum.co.uk/news/8812/s/Effect-of-harmonics-on[...] | | | | | Our Voltimum Experts answer your questions on a daily basis in our Technical Expertise area. This Question of the Day, concerning old switchgear and distribution boards, is answered by the IEE: Question: Is it true that some old switchgear used absestos as | | http://www.voltimum.co.uk/news/9003/s/Q-A-of-the-Day-Old-swi[...] | | | | | BS 7671:2008 includes a new Section 712 providing additional requirements for safety applicable to solar photovoltaic (PV) power supply systems. The additional requirements in BS 7671:2008 along with some explanations are discussed in this article. As with | | http://www.voltimum.co.uk/news/9179/s/Solar-Photovoltaic-Pow[...] | | | | | A question which arises from time to time is whether it is necessary to carry out periodic inspections if a property is subjected to a regular, ongoing maintenance program. This article seeks to clarify the statutory and non - statutory requirements for inspection, | | http://www.voltimum.co.uk/news/11266/s/Periodic-inspection-o[...] | | | | | There is some confusion as to which standards are applicable to the electrical installations of vessels used as dwellings or for recreation. This article looks at the standards for installations of houseboats and recreational craft. Houseboats There can be | | http://www.voltimum.co.uk/news/11409/s/Houseboats-and-recrea[...] | | | | | CENELEC, the European Committee for Electrotechnical Standardization, publishes two kinds of standards, the European Standard (EN) and the Harmonised Document (HD). The HD and EN differ slightly. The EN must be literally transposed as it is, word for word, | | http://www.voltimum.co.uk/news/11923/s/Future-developments-i[...] | | | | | This article takes a closer look at the proposed new Section 534 (Surge Protection Devices) which it is expected may be included within a future amendment to BS 7671:2008. Section 534 contains requirements for the installation of surge protective devices (SPDs) | | http://www.voltimum.co.uk/news/12724/s/Future-developments-i[...] | | | | | Part one of this article, which appeared in the last issue of Wiring Matters, looked at the requirements within BS 7671 relating to the provision of information considered necessary for the safe and effective use of electrical installations. In this part we | | http://www.voltimum.co.uk/news/12929/s/The-provision-of-info[...] | | | | | Introduction: At many events in which the IET participate, such as the ELEX and InterBuild shows, questions are asked about standards to which hand - wired electrical control panels are to comply. This article looks at types and forms of electrical panels, | | http://www.voltimum.co.uk/news/13108/s/Electrical-Panels.htm[...] | | | | | For more than 100 years, the incandescent lamp has been used in dwellings as the main source of light but, as these lamps are extremely inefficient, they are now being phased out. As world leaders are committed to reducing the emission of greenhouse gases | | http://www.voltimum.co.uk/news/13357/s/Energy-efficiency-of-[...] | | |
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