Electrical Safety
How to Trace an Electrical Fault Safely: A Homeowner-Friendly Guide
Electrical fault finding starts with symptoms, isolation, safe testing, and pattern recognition. This guide explains how to narrow down RCD trips, MCB trips, dead sockets, flickering lights, open circuits, reverse polarity, and earth faults without taking unsafe risks.
Product update
Fault Simulation Mode in ElectraSim: Diagnose Open Circuits, Reverse Polarity and Earth Faults
ElectraSim now lets you inject real electrical faults into any circuit — wire breaks, reverse polarity, and missing earths — and watch how each one affects simulation results.
Beginner Guide
What is an RCD and Why Do You Need One?
An RCD can disconnect a dangerous earth fault fast enough to save your life. This guide explains exactly how Residual Current Devices work, why they're mandatory in modern wiring, and how to test RCD protection safely using a free electrical circuit simulator.