Earth Testing Procedures in Urban Environments
Electrical earth testing can be a real challenge in built-up areas. Not only are there very few soft areas to deploy the test probes, but underground cabling and conductive structures are everywhere. These two factors massively affect the measured readings leading to measured values that bear no relation to the actual electrode tested. Therefore, what […]
Earthing Calculations for Safe System Design
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 […]
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!
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.
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?’
50 Shades of GreyMatters
Recently, I received a call from a client in the Nordic region to review an earthing system problem – the client explained they had “… unexplainable noise on their clean earth” and could we help solve it?