Lightning Protection - advice and guidance from ELECSA
WEBFeb 17, 2016 · It is not unusual for electrical contractors while carrying out electrical installation works or periodic inspection and testing to come across a Lightning Protection System.
Voltage Drop Calculator - Voltimum UK
WEBJul 1, 2022 · You can use this free Voltage Drop Calculator to calculate the volt drop for cables by inputting your desired Load, Voltage and Cable Length and then select from the pre-set options. In some countries Voltage Drop might be referred to as Voltage Loss.
Voltimum - The Leading Electrical Industry Portal
WEBA joint venture of. News, product innovations, training, certification, and expert advise related to every aspect of the electrical industry.
Earth leakage explained - Voltimum UK
WEBOct 7, 2020 · Earth leakage is electric current that finds its way to earth via an unintended path. There are two categories: unintentional earth leakage, which results from faulty insulation or equipment, and intentional earth leakage, which is a consequence of the way equipment is designed. It seems strange to “design in” earth leakage, but it’s ...
Cable Size Calculator - Voltimum UK
WEBJul 1, 2022 · Calculate the minimum cable size for various cable types, protective devices, installation methods and correction factors, also calculates voltage drop, R1+R2 and Ze, based on British Standard 7671. - Calculate a cable size in …
Simplified rules for British Plugs - Voltimum UK
WEBApr 1, 2007 · The British Standard limits the maximum temperature rise in the plug to 52 o C above ambient. The fuse has already taken up part of the permitted temperature rise, that is why it is so important to make the best possible crimps and keep the temperature rise at these joints to a minimum. Non-Rewireable Plugs.
The principles of Protective Multiple Earthing (PME) - Voltimum UK
WEBDec 19, 2017 · The principles of Protective Multiple Earthing (PME) As the majority of low voltage supplies to both new and existing electrical installations are connected to a PME earthing terminal, this article discusses the operating characteristics of this particular supply arrangement which in its entirety is known as a TN-C-S system.
Rexel UK to open new multi-million-pound distribution centre
WEBJun 20, 2022 · Rexel UK, one of the country’s leading electrical distributors and solution providers, has announced today (13th June 2022) it is to open a new state-of-the-art, multi-million-pound distribution centre (DC) in Spring 2023.
Maximum prospective fault current - Voltimum UK
WEBJul 4, 2017 · This guide considers the measurement and calculation of the prospective short-circuit current and prospective earth fault current at the origin and at other relevant points in the installation.
'Competent persons' in terms of the 17th Edition and Part P
WEBJul 1, 2009 · These highly important differences in the 17th Edition and Part P of the Building Regulations definitions of 'Competent Person' are crucial in working safely and reliably with electrical installations. Note, however, that the 17th Edition is non-statutory - only recommendations as to best wiring practise. However, it may be used in a Court of ...
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