Build Real Circuits.
Learn by Simulating.
A practical guide to the current ElectraSim app: start with guided templates, wire circuits with smart or custom routing, test faults, organise large diagrams, and practise 20 real wiring walkthroughs.
Choose your starting point
Four ways in — pick the one that matches what you are trying to do.
Hand Tools
Anatomy of the four core electrician's tools, labelled on the real tool.
Open hand tools →Components
22 parts, from the switch on the wall to the board itself — what each terminal does and how the protection works.
Open components →Circuits
20 walkthroughs, from a single lamp to a generator changeover.
Open circuits →In the App
20 guided templates that open pre-built in the editor, plus the four-step workflow.
Open templates →New to the abbreviations? Every term the walkthroughs use — Zs,CPC, RCD types, earthing systems — is defined in theglossary.
You know the current workflow. Now build your own circuit.
Use guided templates, fault mode, smart routing, custom wiring, and export tools for free in your browser. No sign-up, no installation.