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Draw single-line diagrams and situation plans for free, with no limits

PlanElec Sketch is a free drawing tool for electrical plans under the Belgian AREI/RGIE regulations. Draw your single-line diagram (eendraadschema, schéma unifilaire) and your situation plan in the browser, without an account, and export them as PDF.

Draw for free – no account

Drop your file here or choose it. It is read in your browser and never uploaded.

For installers and engineering offices: PlanElec Pro

Free, with no sign-up. Your drawing stays in your browser until you save or export it yourself.

How it works

Pick a circuit and click the blue plus. The circuit appears and the diagram arranges itself: layout, lines and circuit letters.

Animation of a single-line diagram growing A single-line diagram in Sketch. After a click on the blue plus, a new circuit appears and the diagram rearranges itself: first a socket circuit, then a lighting circuit, then a circuit for a washing machine. kWh<30ΩΔ300mA A2P - 40AAMain RCD kWh<30Ω2P - 20AVOB 3G2,5B1Δ300mA A2P - 40AAMain RCD kWh<30Ω2P - 20AVOB 3G2,5B12P - 16AVOB 3G1,5C1Δ300mA A2P - 40AAMain RCD kWh<30Ω2P - 20AVOB 3G2,5B12P - 16AVOB 3G1,5C12P - 20AVOB 3G2,5D1WashingmachineΔ300mA A2P - 40AAMain RCD

Download a sample PDFA single-line diagram with title block, circuit list and material list, made with Sketch. Sample house with made-up data.

Who is Sketch for?

  • I am a homeownerYou draw the single-line diagram for your house, apartment or charging point yourself.
  • I am an installerYou open a Trikker file or draw a new diagram, with your company details in the title block.
  • I work at an engineering officeYou sketch a diagram quickly and choose PlanElec Pro for teamwork and switchboard planning.

A single-line diagram without the hassle

Pick a symbol or a complete circuit and click a blue connection point. The layout, the lines and the circuit letters (A, B, … and A1, A2, …) follow on their own. Where a symbol cannot connect, no connection point is offered.

The situation plan on your floor plan

Import a floor plan as an image or PDF, set the scale and drag the devices from your single-line diagram onto the plan, circuit by circuit. Each device carries its number (A1, B2, …) and you see at once which circuits are fully placed. Walls, doors and windows you draw yourself.

A PDF for the inspection

Export your plans as PDF (A4 landscape) with a frame and title block: installation, client, EAN, installer and approved inspection body (keuring in Dutch, contrôle in French). Wide diagrams are spread over several sheets. The PDF is created in your browser and never uploaded.

Open Trikker files

Open your Trikker file in Sketch and carry on with the single-line diagram. Anything that could not be carried over is listed in a report. Floor plans in Trikker files are not imported yet. Always check the result.

Free, no account, no limits

No registration. Your drawing is saved automatically in your browser, and you can also save it as a file to continue later. Available in Dutch, French, German and English. No limit on circuits, symbols, pages or projects.

Ready to draw?

Free, no account and no limits, right in your browser.

Open Sketch

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