A number of protective devices are now available which perform more than one function, such as Residual Current operated Circuit-Breakers with integral Overcurrent protection (RCBO), and combination RCBO and Arc Fault Detection Devices (AFDD). The model ‘Schedule of circuit details’ in Appendix 6 of BS 7671 asks for a number of key functional characteristics of ...

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Click Scolmore continues to develop its growing range of Elucian consumer units and protective devices and the latest addition is a new bidirectional RCBO. The launch comes hot on the heels of Amendment 3 of BS 7671 (BS 7671: 2018+A3:2024), which followed the issue of a technical bulletin by BEAMA in 2024 which detailed a ...

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Click Scolmore has added a range of compact 1 Pole + Switched Neutral True 6kA 30mA Trip (Type A) RCBOs to its Elucian consumer unit and protective devices portfolio. Available in B Curve and C Curve and 6A, 10A, 16A, 20A, 25A, 32A, 40A and 45A options, the new switched neutral RCBOs comes complete with ...

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Campaigning trade association SELECT is continuing its ongoing mission to educate and  inform electricians with another important free resource aimed at apprentices and adult trainees. Scotland’s largest construction trade body is distributing vital information about protective devices which outlines the various technologies that learners will encounter as they go through their training and into the world of work. The ...

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Scolmore continues to expand its Elucian consumer unit range to provide electricians with the broadest possible range of units and protective devices to cater for all installation requirements. The latest addition to Elucian is a range of unpopulated, enclosure only consumer units. As the units are supplied unpopulated, there are no pre-fitted circuit protection devices, ...

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This article provides guidance for the electrical contractor when the installation design calls for screened cables to BS 8436: 2011 to be installed. In addition to meeting the requirements of BS 7671, certain conditions given in BS 8436 must be met when installing this particular type of cable. Cables conforming to BS 8436: 2011. Electric ...

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Scolmore continues to expand its Elucian consumer unit range to provide electricians with the broadest possible range of units and protectives devices to cater for all installation requirements. New to the range are Time Delay RCDs, higher rated RCBOs and a retro-fit locking device. Time Delay RCDs – a new range of Type S 2 ...

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Gary Parker, ECA Senior Technical Engineer talks to PE about the different types of protective devices and the main considerations when selecting and specifying low voltage switchgear. Low voltage switchgear forms a vital part of the link between generation, transmission or transformation equipment on one side and the lighting, motors and information technology on the ...

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