1-3
1. Work without a project — rework and overpayments. 2. Wrong cable cross-section — heating and fire risk. 3. No RCD on socket groups — danger to life.
4-6
4. PEN splitting without re-grounding — dangerous. 5. One breaker for many groups — no selectivity. 6. No spare modules in the panel.
7-9
7. No labels — maintenance is impossible. 8. Sockets in bathroom zone 1. 9. No test protocol — no guarantee.
10. No scheme in the panel
The scheme with groups and RCDs hangs in the panel — the electrician finds everything instantly.
Why they are repeated
Speed and savings. The project takes 1 hour and excludes most mistakes — it's cheaper than rework.
How GorkyCAD helps
41 automatic checks find the mistakes before installation.
Frequently asked questions
Is this article free?
Yes, all articles and calculators are completely free.
Yes, all articles and calculators are completely free.
Where can I run calculations?
The site offers 21 free calculators: cable sizing, breakers, RCD, voltage drop and more.
The site offers 21 free calculators: cable sizing, breakers, RCD, voltage drop and more.
How do I prepare an electrical project?
In GorkyCAD Pro: plans, panels, calculations and a PDF set for free.
In GorkyCAD Pro: plans, panels, calculations and a PDF set for free.
Found an error in the article?
Write to hello@gorkycad.pro — specialists will review and correct it.
Write to hello@gorkycad.pro — specialists will review and correct it.