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Made 2 Measure: Nuisance Tripping

|Date: 13 March, 2018

Made 2 Measure: Nuisance Tripping

You asked: I’ve been having a lot of trouble recently with nuisance tripping of RCDs and RCBOs. It’s ofte ...

You asked: I’ve been having a lot of trouble recently with nuisance tripping of RCDs and RCBOs. It’s often difficult to trace the source of the problem, especially when it’s intermittent. Do you have ...

13 March, 2018
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Circuit Protection: An Evolution

|Date: 9 March, 2018

Circuit Protection: An Evolution

From their introduction in the late 1800s consumer units have seen many design changes to improve functio ...

From their introduction in the late 1800s consumer units have seen many design changes to improve functionality and safety. The team at Europa Components takes us through some of the key amendments. I ...

9 March, 2018
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Hybrid Ring/Radial Final Circuits: Are They Acceptable?

|Date: 7 March, 2018

Hybrid Ring/Radial Final Circuits: Are They Acceptable?

The experts at ELECSA share their technical advice. The NICEIC helpline is occasionally asked whether a r ...

The experts at ELECSA share their technical advice. The NICEIC helpline is occasionally asked whether a ring ﬁnal circuit has to be supplied directly from a protective device in the distribution board ...

7 March, 2018
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Requirements For The IP Rating Of Trunking

|Date: 3 March, 2018

Requirements For The IP Rating Of Trunking

In this bulletin the ECA’s technical team looks at the requirements for the IP rating of trunking. ...

In this bulletin the ECA’s technical team looks at the requirements for the IP rating of trunking. The trunking currently being used in electrical installations typically has an International Pr ...

3 March, 2018
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The Impact of Thermal Insulation on the Current Carrying Capacity of Flat Twin and Earth Cables

|Date: 28 February, 2018

The Impact of Thermal Insulation on the Current Carrying Capacity of Flat Twin and Earth Cables

Whilst the current-carrying capacity of a cable is dependent on a number of factors, this article looks a ...

Whilst the current-carrying capacity of a cable is dependent on a number of factors, this article looks at the impact of thermally insulating materials on the current-carrying capacity of ﬂat twin and ...

28 February, 2018
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Automatic Disconnection of Supply (ADS)

|Date: 24 February, 2018

Automatic Disconnection of Supply (ADS)

The protective measure Automatic Disconnection of Supply (ADS) is used in most electrical installations t ...

The protective measure Automatic Disconnection of Supply (ADS) is used in most electrical installations to provide protection against electric shock. This article provides an overview of how ADS is ac ...

24 February, 2018
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Heights of Electrical Equipment in Dwellings

|Date: 20 February, 2018

Heights of Electrical Equipment in Dwellings

The aim of this topic is to explain the requirements of BS 7671, Part M of the Building Regulations for E ...

The aim of this topic is to explain the requirements of BS 7671, Part M of the Building Regulations for England and Wales and BS 8300: 2009 (Design of buildings and their approaches to meet the needs ...

20 February, 2018
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Protective Multiple Earthings (PME)

|Date: 18 February, 2018

Protective Multiple Earthings (PME)

As the majority of low voltage supplies to both new and existing electrical installations are connected t ...

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 particu ...

18 February, 2018
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Is Li-Ion King of Emergency Lighting?

|Date: 12 February, 2018

Is Li-Ion King of Emergency Lighting?

Richard Raeburn, Senior Application Engineer at Tridonic, looks at why battery technology should be one o ...

Richard Raeburn, Senior Application Engineer at Tridonic, looks at why battery technology should be one of the key considerations when selecting emergency lighting. The most usual form of emergency li ...

12 February, 2018
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How Often Should Periodic Inspection and Testing be Carried out?

|Date: 11 February, 2018

How Often Should Periodic Inspection and Testing be Carried out?

Contractors and members of the public sometimes ask how often an electrical installation should be subjec ...

Contractors and members of the public sometimes ask how often an electrical installation should be subjected to periodic inspection and testing. This article considers the factors that inﬂuence the de ...

11 February, 2018
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