R1+R2 Testing on Ring Final Circuits | BS 7671 Method
R1+R2 Testing on Ring Final Circuits: The BS 7671 Method Explained BS 7671 Amendment 4 update. The Orange Book (BS [...]
What C1, C2, C3 and FI actually mean on an EICR, when each code applies under BS 7671, and how to record observations so the report stands up to scrutiny.