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Home » BS7430

BS7430

03/02/2020 By Ian

Soil Resistivity Testing Methods Part 3 The Wenner 4 Probe Test.

Soil Resistivity Testing Methods Wenner 4 Probe Test

Soil Resistivity Testing Methods a popular post. Originally published in 2013 and now updated in 2020.

Wenner 4 Probe test is one of the most common soil resistivity testing methods. It is also part 3 in a series of short posts on Soil Resistivity Testing Methods. Part 1 & Part 3. Together with, the common mistakes encountered. And also, practical advice on how to avoid the Soil Resistivity Testing 10 Common Mistakes.

Soil Resistivity Testing Methods – The Wenner 4 Probe

So soil resistivity testing can be carried out using different methods. Therefore, below describes the Wenner 4 Probe Test Method. Also, its one of the three most popular soil resistivity methods employed, to perform a soil resistivity test:

[Read more…] about Soil Resistivity Testing Methods Part 3 The Wenner 4 Probe Test.

Filed Under: Soil Resistivity Tagged With: BS7430, current injection, potential measurement, Soil Resistivity Methods, Soil Resistivity Testing, Soil Resistivity Testing Methods, wenner 4 probe test, Wenner array

28/06/2019 By Ian Leave a Comment

Low Voltage & High Voltage Earthing Protection – A Case Study at an EFW Plant

High Voltage Earthing Protection – A Case Study at an EFW Plant

In the context of electrical earthing or grounding. Earthing Protection defined as the Protective Earthing of electrical installations at low voltage, i.e. <1,000V AC as described in Electrical Earthing Standards BS 7430.

So, in this case, study. We take a look at a few challenges we came across while designing the HV Earthing and Lightning Protection Systems. For a 9MW Energy from Waste Plant in Europe. 

[Read more…] about Low Voltage & High Voltage Earthing Protection – A Case Study at an EFW Plant

Filed Under: Electrical Earthing Tagged With: BS 7430, BS 7671, BS EN 50522, bs en 62305, BS EN62305, BS7430, High Voltage Earthing Protection, HV Earthing, HV Earthing Protection, LV earthing, LV Earthing Protection, Protective Earthing

23/02/2017 By Ian Leave a Comment

Earthing Calculations for Safe System Design

Earthing calculations

Earthing Calculations regarding your safety – you’re overdue an update!

If 1-ohm is still in circulation on your documentation then this section applies to you.

Even though the Earthing Calculations for determining a safe System Earth (Ground) has shifted away from an arbitrary resistance figure, usually <1 ohm.  It’s still all too common to see this outdated measure of installed success appear on client/employer requirement specifications(ER’s). As part of the Earthing Calculations Design Safety brief.

[Read more…] about Earthing Calculations for Safe System Design

Filed Under: Earthing System Design Tagged With: BS7430, CDEGS, earth potential rise, earthing systems, Electrical Earthing System Design, EN 50522, EPR

25/10/2016 By Hugh Leave a Comment

BIM Earthing Design – What Does the Future Hold?

BIM Earthing Design - 6th Dimenion

In a previous post, we introduced BIM earthing to Electrical Earthing Design and cleared up a few misconceptions. In this post, I’m going to suggest where I believe BIM might be going.

Where is BIM Earthing Design heading for Lightning & Earthing?

Currently, most projects operate at BIM level 2. Where each trade has its own 3D model, stored locally on various engineers’ computers, or perhaps on a network folder. This folder is accessible to all (authorised) staff within the organisation. In some organisations where BIM better developed, oven combining these models for the purpose of clash detection. This ensures that, for example, the Earthing contractor doesn’t intend to install BS7430 earth electrodes in the same place as a civils contractor’s ducting/drainage.  All of these exist only in 3 dimensions.

[Read more…] about BIM Earthing Design – What Does the Future Hold?

Filed Under: Electrical Earthing Tagged With: 62305, BIM Earthing, BS7430, earth electrodes, lightning protection system, NFPA780

04/10/2016 By Ian Leave a Comment

BIM Earthing Demystified… Cutting through the endless jargon

BIM earthing?

If like me, you’re a little confused about what BIM REALLY means. This article is for you. It covers some of the misconceptions and demystifies a few uncertainties – without the Governmental jargon!

Let’s start with the basics…

BIM Earthing Demystified…

[Read more…] about BIM Earthing Demystified… Cutting through the endless jargon

Filed Under: Electrical Earthing Tagged With: BIM, BIM Earthing, BS7430, Electrical Earthing System Design

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