Beginner Guide
What is an RCD and Why Do You Need One?
An RCD can save your life in under 40 milliseconds. 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.
App Update
6 New Components in ElectraSim: RCD, Contactor, Timer Switch, Dimmer Switch, Distribution Board & Bell
ElectraSim just added 6 new electrical components — RCD, Contactor, Timer Switch, Dimmer Switch, Distribution Board, and Bell/Buzzer. Here's what each one does and how to use them in your circuits.