Practical calculators

Electrical calculations, clearly explained

Fast, transparent preliminary checks for electricians and property owners in Belgium, with assumptions and limits kept visible.

Free drawing

Draw a single-line diagram for free

Draw your single-line diagram and situation plan according to AREI/RGIE in the browser. Free, no account and no limit on drawing. PDF export (no watermark) and opening Trikker files are included.

Open PlanElec Sketch
Available

Voltage drop and cable cross-section

Check voltage drop for a cable or estimate a preliminary cross-section from its length, load and protective device.

Available

LED strip: power, current and power supply

Calculate power, current, feed points, power-supply size and the feed-cable cross-section for a strip type and length.

Available

Synergrid C10/26 check for inverters and home batteries

One check against the Belgian homologation list: check the inverter for a PV or hybrid system directly. For a DC-coupled home battery, check its associated hybrid inverter.