Technical Archives

How to record the details of protective devices on the ‘Schedule of circuit details’

|Date: 12 February, 2025

How to record the details of protective devices on the ‘Schedule of circuit details’

A number of protective devices are now available which perform more than one function, such as Residual C ...

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 R ...

12 February, 2025
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Codebreakers #91

|Date: 11 February, 2025

Codebreakers #91

Need help with cracking those EICR codes? The technical team at NAPIT, with the help of the 18th Edition ...

Need help with cracking those EICR codes? The technical team at NAPIT, with the help of the 18th Edition Codebreakers publication, answer your latest coding queries. Click on the photos for a closer l ...

11 February, 2025
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Why is the arc flash boundary so important?

|Date: 10 February, 2025

Why is the arc flash boundary so important?

In this article the experts at Fluke discuss the importance of the arc flash boundary and the ways in whi ...

In this article the experts at Fluke discuss the importance of the arc flash boundary and the ways in which professionals can better ensure that arc flash incidents are kept to a minimum. The arc flas ...

10 February, 2025
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Made 2 Measure: Is there a simple and reliable way of filling in electrical installation test certificates?

|Date: 6 February, 2025

Made 2 Measure: Is there a simple and reliable way of filling in electrical installation test certificates?

Working on your own? Need some technical advice? Don’t know where to turn? The technical team at Megger a ...

Working on your own? Need some technical advice? Don’t know where to turn? The technical team at Megger answers the latest technical query from end users. YOU ASK: WHEN I’M TESTING ELECTRICAL INSTALLA ...

6 February, 2025
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How to fix PV arrays to on-roof solar photovoltaics (PV) systems

|Date: 5 February, 2025

How to fix PV arrays to on-roof solar photovoltaics (PV) systems

Steve Humphreys, Technical Commercial Manager at NAPIT, provides a guide on how to fix PV arrays to on-ro ...

Steve Humphreys, Technical Commercial Manager at NAPIT, provides a guide on how to fix PV arrays to on-roof solar photovoltaics systems. In this article, we will look at a simplified wind uplift calcu ...

5 February, 2025
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What are the problems associated with inferior quality connector products?

|Date: 29 January, 2025

What are the problems associated with inferior quality connector products?

Jake Green, Head of Technical Engagement with Scolmore Group, looks at some of the problems associated wi ...

Jake Green, Head of Technical Engagement with Scolmore Group, looks at some of the problems associated with inferior quality connector products which don’t meet the required standards and therefore co ...

29 January, 2025
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Codebreakers #90

|Date: 28 January, 2025

Codebreakers #90

Need help with cracking those EICR codes? The technical team at NAPIT, with the help of the 18th Edition ...

Need help with cracking those EICR codes? The technical team at NAPIT, with the help of the 18th Edition Codebreakers publication, answer your latest coding queries. Click on the photos for a closer l ...

28 January, 2025
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How can earth electrode resistance be improved as part of a planned approach to installation?

|Date: 22 January, 2025

How can earth electrode resistance be improved as part of a planned approach to installation?

It can be difficult for an electrical contractor to determine whether a single electrode will be sufficie ...

It can be difficult for an electrical contractor to determine whether a single electrode will be sufficient to be able to gain an adequate value of resistance prior to its installation and test. Here, ...

22 January, 2025
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The practice of unfused spurs off a ring final circuit

|Date: 15 January, 2025

The practice of unfused spurs off a ring final circuit

BS 7671 permits an unfused spur (or cable branch) from a 30 A or 32 A ring final circuit supplying access ...

BS 7671 permits an unfused spur (or cable branch) from a 30 A or 32 A ring final circuit supplying accessories conforming to the relevant part(s) of the BS 1363 series to be wired with thermoplastic ( ...

15 January, 2025
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Made 2 Measure: How can i speed up the process of testing the internal RDC device for an EV chargepoint?

|Date: 13 January, 2025

Made 2 Measure: How can i speed up the process of testing the internal RDC device for an EV chargepoint?

Working on your own? Need some technical advice? Don’t know where to turn? The technical team at Megger a ...

Working on your own? Need some technical advice? Don’t know where to turn? The technical team at Megger answers the latest technical query from end users. YOU ASK: I HAVE A LARGE NUMBER OF EV CHARGEPO ...

13 January, 2025
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