How to Calculate R1 + R2 | Step-by-Step for Electricians

#Electrician #ElectricalTraining #R1PlusR2 #ElectricalApprentice #18thEdition #IETGuide #ElectricalCalculations #LearnElectricity #SparkyLife Learn exactly how to calculate R1 + R2 for an electrical circuit in this clear, step-by-step tutorial. ✅ What you'll learn: How to find resistance values from the IET On-Site Guide ​ How to combine line and CPC conductor resistance ​ The simple formula to work out total circuit resistance ​ How to convert milliohms to ohms correctly 💡 Example used: 40m radial circuit — 2.5mm² line + 1.5mm² CPC Result: 0.78 Ω — exactly how it's done on the job! Perfect for electrical apprentices, students, and anyone revising for their exams. Like & save for your next study session! ⚡