Technical and Training 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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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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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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Codebreakers #89

|Date: 10 January, 2025

Codebreakers #89

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 ...

10 January, 2025
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Bonding issues and extraneous-conductive-parts in electrical installations

|Date: 8 January, 2025

Bonding issues and extraneous-conductive-parts in electrical installations

Frank Bertie, Managing Director at NAPIT, discusses bonding issues and extraneous-conductive-parts in ele ...

Frank Bertie, Managing Director at NAPIT, discusses bonding issues and extraneous-conductive-parts in electrical installations. Bonding requirements of BS 7671 Whenever we have discussions, whether re ...

8 January, 2025
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Understanding electrical installations in medical locations

|Date: 23 December, 2024

Understanding electrical installations in medical locations

This article from the experts at NICEIC looks at electrical installations in medical locations, and will ...

This article from the experts at NICEIC looks at electrical installations in medical locations, and will consider the scope of Section 710 of BS 7671 including some of the design requirements. Conside ...

23 December, 2024
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Codebreakers #88

|Date: 19 December, 2024

Codebreakers #88

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 ...

19 December, 2024
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