General Regulations Archives

Additions and Alterations to an Installation: What Steps Should You Take?

|Date: 24 January, 2018

Additions and Alterations to an Installation: What Steps Should You Take?

Many existing electrical installations require one or more additions or alterations during their lifetime ...

Many existing electrical installations require one or more additions or alterations during their lifetime. An addition or alteration may be minor such as the addition of a point to a ﬁnal circuit, or ...

24 January, 2018
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Services in Walls: What’s the Impact on Building Stability?

|Date: 22 January, 2018

Services in Walls: What’s the Impact on Building Stability?

This topic refers to the potential impact on building stability from the installation of services within ...

This topic refers to the potential impact on building stability from the installation of services within walls. Approved Document A, Structure, 2004 Edition, as amended, (ADA) can be downloaded from t ...

22 January, 2018
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Socket Outlets For Shavers: What Do You Need To Consider?

|Date: 21 January, 2018

Socket Outlets For Shavers: What Do You Need To Consider?

There are two basic types of socket-outlet intended to supply an electric shaver: The type with a transfo ...

There are two basic types of socket-outlet intended to supply an electric shaver: The type with a transformer, and The type without. With certain exceptions only the type with a transformer may be ins ...

21 January, 2018
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Supporting Cables Above Suspended Ceilings

|Date: 20 January, 2018

Supporting Cables Above Suspended Ceilings

NAPIT’s Bill Allan and Donald Holmes offer expert advice on the correct methods for supporting cables abo ...

NAPIT’s Bill Allan and Donald Holmes offer expert advice on the correct methods for supporting cables above suspended ceilings. It has long been accepted as good practice to support cables above suspe ...

20 January, 2018
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Lot 20 Has Arrived: What You Need to Know

|Date: 19 January, 2018

Lot 20 Has Arrived: What You Need to Know

The Eco Design Lot 20 legislation has been touted as one of the biggest shake-ups to affect the electrica ...

The Eco Design Lot 20 legislation has been touted as one of the biggest shake-ups to affect the electrical heating industry in decades. Richard Brown, MD of Electrorad, gives us the lowdown on how it ...

19 January, 2018
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Electrical Installations for Greenhouses

|Date: 18 January, 2018

Electrical Installations for Greenhouses

Except for those requirements applying only to locations where livestock is kept, the requirements relati ...

Except for those requirements applying only to locations where livestock is kept, the requirements relating to agricultural and horticultural premises given in Section 705 of BS 7671 apply to the elec ...

18 January, 2018
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Electrical Supply to an Outbuilding – Is it Sufficient?

|Date: 16 January, 2018

Electrical Supply to an Outbuilding – Is it Sufficient?

Before carrying out any new or additional installation works a contractor must determine that the supply ...

Before carrying out any new or additional installation works a contractor must determine that the supply to the installation is sufficient to meet the demands of the additional load. It must also be v ...

16 January, 2018
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Clamps, Earthing and Bonding: Correct Selection and Installation

|Date: 15 January, 2018

Clamps, Earthing and Bonding: Correct Selection and Installation

BS 951 speciﬁes the performance and important mechanical requirements for metal clamps that are used to p ...

BS 951 speciﬁes the performance and important mechanical requirements for metal clamps that are used to provide mechanically and electrically sound earthing and bonding connections to metal tubes. The ...

15 January, 2018
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Cables Installed in Suspended Ceilings: Technical Guidance

|Date: 14 January, 2018

Cables Installed in Suspended Ceilings: Technical Guidance

Suspended ceilings are often provided in commercial and similar premises. They generally consist of a gri ...

Suspended ceilings are often provided in commercial and similar premises. They generally consist of a grid of light metal bars, usually having an inverted ‘T’ section, into which ceiling tiles, recess ...

14 January, 2018
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Requirements for Marinas and Similar Locations

|Date: 11 January, 2018

Requirements for Marinas and Similar Locations

Marinas and similar locations are considered in BS 7671 to be locations with an increased risk of electri ...

Marinas and similar locations are considered in BS 7671 to be locations with an increased risk of electric shock. This is because of the presence of water, a reduction in body resistance, and contact ...

11 January, 2018
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