@elexelectricals: 📚⚡ EVER WONDERED HOW TO USE GN3 ON YOUR AM2? Let’s dive deep into GN3 and how to use it properly when carrying out your inspection and testing! GN3 is one of the most important books to understand when preparing for your AM2. We’ll look at: 🔹 Continuity testing 🔹 Ring final circuit testing 🔹 Insulation resistance testing 🔹 Polarity testing 🔹 Earth fault loop impedance (Zs) 🔹 RCD testing 🔹 Prospective fault current 🔹 Where to find the information you need. It’s not just about knowing how to test. It’s about understanding WHY you’re doing it and knowing where to find the correct information. Get comfortable using GN3 before you walk into that AM2! 🎯 Helping apprentices pass first time. #AM2 #GN3 #ElectricalTesting #ElectricianApprentice #electrican

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Tuesday 10 November 2026 19:07:11 GMT