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Tools & Calculators 07.05.2026 · 7 min read

Create Circuit Diagrams Online: Drawing Schematics in the Browser

Schematic Tools Standards

A standards-compliant circuit diagram is mandatory for every electrical installation — from building permit to E-check approval. Web-based tools let you create the plan directly in the browser, without a CAD license and without weeks of training.

What a circuit diagram must deliver

The circuit diagram is the technical language of electrical installation. It must be unambiguous, standards-compliant and readable by the inspector.

Standards basis

DIN EN 60617 governs the symbols, VDE 0100-510 the documentation.

Three plan types

Overview schematic, single-line diagram, multi-line (functional) diagram.

Purpose

Installation, extension, maintenance, fault-finding and inspection must all be derivable from the plan.

Online tool vs. classic CAD

Online tools focus on ease of use and quick results, CAD programs on depth and database integration. For most building installations, online is the better choice.

Online tool

  • Ready to go, no installation
  • Automatic symbol library
  • Cross-device (tablet, smartphone)
  • Auto-save in the cloud

Classic CAD

  • Maximum depth and flexibility
  • ERP database integration
  • Multi-user workflows
  • Macros and scripting

Create a circuit diagram in 5 steps

1. Define circuits

List all circuits: lighting, sockets, stove, bath, outdoor. One MCB per circuit.

2. Set protective devices

RCD, MCB, AFDD per circuit depending on application. Bath and outdoor: 30 mA RCD is mandatory.

3. Place symbols

Drag symbols per DIN EN 60617: switches, sockets, loads. Online tools include the library.

4. Draw connections

Draw current paths, indicate wire colors and cross-sections. Don't forget labels (L1, L2, L3, N, PE).

5. Check and export

Check plan for completeness (all circuits included?), export PDF, and hand over with system documentation.

Typical pitfalls

Symbols made up

Custom symbols aren't standards-compliant. Always use DIN EN 60617 — online tools do this automatically.

Labels missing

Every circuit needs a clear label like F1, F2, L1, N, PE. Without labels the plan is worthless.

No circuit numbering

Numbering in the plan must match the labeling in the meter cabinet — otherwise chaos during maintenance and troubleshooting.

Conclusion: online is today's standard

For building installation, small commercial projects and homeowners, online schematic tools are faster, cheaper and easier to use than classic CAD software.

💡 Tip: Create your schematic directly alongside the installation plan — modern tools sync both automatically.

Create a circuit diagram online

With myElectricPlan, you draw standards-compliant schematics directly in the browser. Symbols per DIN EN 60617, automatic switchgear representation and PDF export included.

Create circuit diagram now