CABLE LENGTH CALCULATIONS and R1+R2

WHAT IS R1+R2. How to change the values, what do they mean.

CABLE RESISTANCE TABLES – OSG ON-SITE GUIDE – GUIDANCE NOTE 3 – HOW TO USE THEM – EASY CALCULATIONS

Tests for Ring Final Circuits

Cable calculation. Calculating the live cable size from BS 7671

VALIDATE TEST RESULTS FOR RING CIRCUITS – R1+R2 – Zs – AM1 AND AM2 ASSESSMENTS – TEST AND INSPECTION

How to calculate Coil length

R1 AND R2 – CAN I FIND R1 IF I ONLY KNOW R1+R2 – WHAT ARE THE RING AND RADIAL CIRCUIT DIFFERENCES

How to Calculate Total Earth Fault Loop Impedance - Applying a Temperature Factor to R1 + R2

How to Test for Resistance? What is Continuity?

How to Test a Ring Final Circuit - Ring Main or Socket Circuit - Ring Continuity & Polarity Tests

Calculating the R1 + R2 value when calculating the size of your CPC

Ring Final Testing - Why (r1+r2)/4 is R1+R2.

Continuity of CPC on a radial circuit - R1+R2 & R2

INSULATION RESISTANCE TESTING AND TRACING

Find r1 from Zs – EASY ELECTRICAL CALCULATIONS

Easy Guide to Cable Sizing and Cable Calculations

SOCKET RING CIRCUIT RESISTANCE – Find the circuit values in ten seconds – r1, r2, rn, R1+R2, length

Step 6 - Calculate R1+R2 - 7 Part Series - Cable Selection

2396 Ep 3 - Cable calculation example - Beginner

Everything you need to know to solve Voltage Drop Calculations!!