ElectraSim
A free, browser-based electrical Wiring simulator for building and testing house wiring layouts
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About ElectraSim
ElectraSim is a comprehensive, browser-based electrical circuit and wiring simulator designed for students, teachers, electricians, and hobbyists. It provides a risk-free environment to build, simulate, and troubleshoot house-wiring circuits without the need for downloads, accounts, or server connections.
Key Features
- Real-Time Simulation: Watch electricity flow with animated wires, spinning fans, and lighting bulbs at 60fps.
- Drag & Drop Components: Access over 16 component types, including MCBs, RCDs, RCBOs, switches, sockets, and motors.
- Fault Detection: Practice identifying and diagnosing open circuits, short circuits, reverse-polarity, and missing-earth faults.
- Smart Tools: Features auto-routing for wires, multi-select alignment, and a grid-snapping system for professional diagrams.
- Import & Export: Save work locally as JSON, export diagrams as PNG or SVG, or generate shareable URLs.
How it works
- Launch: Open the simulator directly in your browser; it works offline after the first visit.
- Build: Drag components from the palette onto the canvas.
- Wire: Connect components using the auto-routing tool.
- Simulate: Press Run to toggle switches, trigger faults, and observe circuit behavior in real-time.
Frequently asked questions about ElectraSim
How much does ElectraSim cost?+
ElectraSim is 100% free forever.
Do I need to create an account to use the simulator?+
No, there are zero sign-ups required. You can start building circuits immediately in your browser.
Can I save my circuit designs?+
Yes, your work is autosaved locally in your browser. You can also export your circuits as JSON, PNG, or SVG files, or generate a shareable URL.
Does the simulator work offline?+
Yes, once you have visited the site for the first time, it works offline.
How can i contact you+
You can contact us via contact page by using Facebook page or google forms page
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