Category Archives: Earthing System Design

Earthing System Design

November 2018 - Earthing Standards update (Rail)

November 30, 2018

For the past few years. GreyMatters has been fortunate enough to support the rail electrification and upgrade programmes across the UK for Earthing...

Earthing System Design

How to Size High Voltage Earthing Conductors Correctly

October 15, 2018

What size conductors should I use? And, is there a simple table I can use for this high voltage earthing design? These are...

Earthing System Design

Putting electricity in perspective - a view from an earthing designer

February 26, 2018

We like to think electricity has been around for years, right? It certainly 'feels' like we should know all there is to know. ...

Earthing System Design

What are the Earthing Safety Calculations?

February 23, 2017

Safety Calculations - you're overdue an update! If 1-ohm is still in circulation on your documentation then this section applies to you. Even...

Earthing System Design

Why an Independent Consultant Designer for Your Earthing and Lightning Protection

February 14, 2017

At GreyMatters, we’re often asked, “Why You, an Independent Consultant? [earthing designer] Why not someone else who is cheaper?” Top 1% We’ve said...

Earthing System Design

What is Standard BS7430?

September 26, 2016

BS7430 2015 is the latest amendment to the code of practice for protective earthing of electrical installations. BS7430 Overview This standard is an...