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Electrical Earthing System Design & Soil Resistivity Testing

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EN 50522

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What are the Earthing Safety Calculations?

Safety Calculations – you’re overdue an update!

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

Even though the Safety Calculations for determining a 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  It’s still all too common to see this outdated measure of installed success appear on client / employer requirement specifications(ER’s) as part of the Earthing Design Safety Calculations. [Read more…] about What are the Earthing Safety Calculations?

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A Round-Up of The 10 Most Read Posts of 2016

Well, 2016 was an exciting year for the team at GreyMatters. So, at the end of 2015, we set goals on what we wanted to achieve in 2016. Part of the plan was to focus on establishing this blog channel as an authority on Electrical Earthing Design and Lightning Protection.  Something that can be referred to and although some of the concepts are considered complex, the style of writing is hopefully easy to read and informative.

This post is a round-up of the ten most read posts of 2016, and interestingly not all of the most read posts are initially published in 2016 (you may have missed it). [Read more…] about A Round-Up of The 10 Most Read Posts of 2016

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How to avoid a stay at “Her majesty’s pleasure” Inspect your Electrical Earthing System

So you’ve had your Electrical Earthing System designed by a professional, installed diligently by a competent contractor and had it verified to confirm the Earthing will protect lives in the event of a fault!  – Job done, right?

Nearly… but the story doesn’t stop there! [Read more…] about How to avoid a stay at “Her majesty’s pleasure” Inspect your Electrical Earthing System

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50 Shades Freed – Unleashing CDEGS!

During my previous blog, where we explored the analogy of the car when comparing to Earthing Studies using CDEGS – if your project is a high value, critical asset, and/or infrastructure effecting large populations – then this is likely to require a more demanding level of performance in the foundational design data. [Read more…] about 50 Shades Freed – Unleashing CDEGS!

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50 Shades Darker – CDEGS Myths Busted!

CDEGS Modelling Software demystified!

It’s interesting how the psychology of the car has found a place in our daily lives.  How many times have you asked or been asked ‘what car do you drive?’ [Read more…] about 50 Shades Darker – CDEGS Myths Busted!

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