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Standards & Norms
GorkyCAD supports multiple national and international standards. All calculations adapt to the selected standard.
Supported Standards
| Standard | Region | Coverage |
|---|---|---|
| IEC 60364 | International | Low-voltage electrical installations |
| PUE 7th ed. | Russia | Electrical installation code |
| GOST R 50571 | Russia | Harmonized with IEC |
| SP 256.1325800 | Russia | Residential electrical design |
| IS 732:2019 | India | Building electrical installations |
| IS 1646 | India | Fire safety |
| IS 3043 | India | Earthing |
Switching Standards
Select the standard in Project Settings. You can switch at any time and compare results — useful for projects requiring compliance with multiple norms.
What’s affected
- Cable current ratings
- Voltage drop limits
- Short-circuit calculation factors
- Clearance requirements
- Symbol sets (GOST / IEC / IS)
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.