Case study · GorkyCAD Pro
Electrical project for a 200 m² cottage
Cottage with underfloor heating, electric boiler, garage and sauna — full load calculation and three-phase panel assembly.
📊 Project specifications
| Type | Cottage |
| Area | 200 m² |
| Phases | Three-phase (380 V) |
| Calculated load | 27 kW |
| Groups | 42 |
| Design time | 1 evening |
🎯 Task
The client needed a project accounting for underfloor heating, a 12 kW electric boiler, a garage group and a separate line for the sauna — fitting the budget and getting a ready PDF for approval.
💡 Solution
Outlet and lighting placement plan, cable sizing per PUE, panel assembly with RCDs and voltage relay, automatic cable schedule and specification.
- Cable cross-sections selected by current and voltage drop (≤ 3%).
- Panel assembled from 42 groups with busbars and RCDs for wet zones.
- Cable schedule and specification generated automatically.
- Full PDF set exported for approval.
✅ Result
The project is ready for approval and installation. The full PDF set — single-line diagram, layout plan, specification, cable schedule — is generated automatically.
FAQ
How much does a cottage project cost?
Design in GorkyCAD Pro is free — you pay only for the electrician's work under your agreement.
How fast can I make the project?
A typical 150–250 m² cottage takes one evening: plan, panel and PDF are generated automatically.
Does the project comply with PUE?
Yes, checks and calculations are built in per PUE 7th edition and GOST.
Create a project like this for free
Frequently asked questions
Yes, all articles and calculators are completely free.
The site offers 21 free calculators: cable sizing, breakers, RCD, voltage drop and more.
In GorkyCAD Pro: plans, panels, calculations and a PDF set for free.
Write to hello@gorkycad.pro — specialists will review and correct it.