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

INSULATION RESISTANCE TESTING AND TRACING

Zs and the 80% RULE. What is it and understanding the differences between Tabulated and Measured

How to do an EICR start to finish - Electrical Safety Inspection and Test

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

TT SYSTEMS - WHY MUST THEY BE RCD PROTECTED

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

PFC TESTING – PROSPECTIVE FAULT CURRENT- DIFFERENCES BETWEEN SINGLE PHASE AND THREE PHASE METHODS

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

Tests for Ring Final Circuits

Maximum Earth fault loop impedance

2391 - RING CIRCUIT TESTING – RESISTANCE – R1+R2

Guide to completing an Insulation Resistance test and test sheet completion

How to Test for Resistance? What is Continuity?

How 3 Phase Power works: why 3 phases?

How to Calculate the cable size and protective device rating

LOOP IMPEDANCE – WHY IS IT IMPORTANT - Ze and Zs – How does Loop Impedance affect my installation?

Inspection and Testing R1 + R2 and fault finding

SCHEDULE OF TEST RESULTS. Electrical. How to complete correctly.

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

The Dangers of Shared Neutrals: How To Avoid Being Shocked