RCDs Archives

The requirements for Type B RCD use in Heat Pump installations

|Date: 25 June, 2025

The requirements for Type B RCD use in Heat Pump installations

Chaz Andrews, Technical Manager at Doepke UK, looks into the requirements for Type B RCD use in Heat Pump ...

Chaz Andrews, Technical Manager at Doepke UK, looks into the requirements for Type B RCD use in Heat Pump installations, following Amendment 3 to BS 7671. Heat Pumps (HP) producing leakage currents ab ...

25 June, 2025
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Why is Hager leading the education drive around heat pumps and the need for correct circuit protection?

|Date: 16 June, 2025

Why is Hager leading the education drive around heat pumps and the need for correct circuit protection?

As the electrical industry gains a greater understanding of heat pump installations and the safety requir ...

As the electrical industry gains a greater understanding of heat pump installations and the safety requirements involved, we put the questions to Mark Kimberley, Residential Market Manager at Hager UK ...

16 June, 2025
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Why are RCD sockets still popular? | Timeguard

|Date: 28 May, 2024

Why are RCD sockets still popular? | Timeguard

Why are RCD sockets still popular? Neil Chapman, Sales Director at Timeguard, offers his thoughts. The 18 ...

Why are RCD sockets still popular? Neil Chapman, Sales Director at Timeguard, offers his thoughts. The 18th Edition gives us detailed information on the different types of RCDs These regulations apply ...

28 May, 2024
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The importance of selecting RCDs that are suitable to electronic loads and controls connected to an electrical installation | NICEIC

|Date: 30 January, 2024

The importance of selecting RCDs that are suitable to electronic loads and controls connected to an electrical installation | NICEIC

Depending on the particular characteristics of the ‘electronic’ loads and controls connected to an electr ...

Depending on the particular characteristics of the ‘electronic’ loads and controls connected to an electrical installation, an RCD could be exposed to a range of residual current waveforms and frequen ...

30 January, 2024
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The importance of omitting RCDs in accordance with BS 7671: 2018+A2:2022 | NAPIT

|Date: 2 December, 2022

The importance of omitting RCDs in accordance with BS 7671: 2018+A2:2022 | NAPIT

NAPIT’s Technical Author, Richard Townsend, looks at omitting residual current devices (RCDs) in accordan ...

NAPIT’s Technical Author, Richard Townsend, looks at omitting residual current devices (RCDs) in accordance with BS 7671: 2018+A2:2022, Regulation 411.3.3. What have we been doing over the years? When ...

2 December, 2022
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Understanding RCDs and their application | Scolmore

|Date: 23 June, 2022

Understanding RCDs and their application | Scolmore

Jake Green, Technical Engagement Manager with Scolmore Group, looks at RCDs in general and highlights the ...

Jake Green, Technical Engagement Manager with Scolmore Group, looks at RCDs in general and highlights the necessity of a time delay device when selectivity between RCDs is needed. The principle of ope ...

23 June, 2022
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Residual Current Devices (RCDs): the theory of ‘selectivity’ | NAPIT

|Date: 30 December, 2020

Residual Current Devices (RCDs): the theory of ‘selectivity’ | NAPIT

Geoff Brittan, NAPIT Technical Officer, discusses selecting the correct Residual Current Devices. When di ...

Geoff Brittan, NAPIT Technical Officer, discusses selecting the correct Residual Current Devices. When discussing selectivity of RCDs and how/why we need to achieve this, its important to ascertain wh ...

30 December, 2020
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Wylex Consumer Units with A Type RCDs

|Date: 13 August, 2019

Wylex Consumer Units with A Type RCDs

The team at Wylex tell us how their new consumer unit models comply with the latest regulations. Today’s ...

The team at Wylex tell us how their new consumer unit models comply with the latest regulations. Today’s typical domestic installation will have 30mA RCD protection on every circuit, but another new r ...

13 August, 2019
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Selectivity: When Is It Required?

|Date: 21 November, 2018

Selectivity: When Is It Required?

The technical team at Stroma take a look changes to the 18th Edition regarding selectivity between overcu ...

The technical team at Stroma take a look changes to the 18th Edition regarding selectivity between overcurrent protective devices and what this means for installers. The 18th Edition of BS 7671 has ch ...

21 November, 2018
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Residual Current Devices – Where Should They Be Used?

|Date: 19 October, 2018

Residual Current Devices – Where Should They Be Used?

Best practice guidance and advice from the experts at NICEIC. RCD is a generic term that covers a range o ...

Best practice guidance and advice from the experts at NICEIC. RCD is a generic term that covers a range of residual current devices including RCBOs and RCCBs. Primarily an RCD is selected so that its ...

19 October, 2018
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