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Electrical Safety Zones (Bathroom)

The bathroom is divided into zones 0-2, each with its own requirements for equipment and IP rating.

📐 Floor Plan & Rooms

🧱

Walls & Partitions

Load-bearing and non-load-bearing walls, partitions, thickness and material settings.

🚪

Doors & Windows

Door and window placement, size configuration, opening direction.

📏

Dimensions & Annotations

Automatic dimensions, callouts, text annotations on the plan.

📦

DXF Import

Import floor plans from AutoCAD and other CAD systems via DXF.

Electrical

Outlets & Switches

Power and low-current outlets, switches, dimmers. GOST/IS symbols.

💡

Lighting

Luminaires, lighting groups, automatic illuminance calculation.

📫

Junction Boxes

Automatic junction box placement, connection count accounting.

📋

GOST/PUE/IS Symbols

Complete library of symbols per GOST, PUE, IS, IEC standards.

🔲 Panels

🗄️

Auto Panel Assembly

Automatic panel layout: MCBs, RCDs, RCBOs, isolators — from the schematic.

📏

DIN Rails & Busbars

Automatic DIN rail length calculation, auto busbars per phase.

🌐

Feeder Topology

Panel hierarchy: main → sub → floor → apartment. Automatic connectivity.

〰️ Cables & Routes

🗺️

Auto Routing

Automatic cable routing via shortest path with obstacle avoidance.

📐

Cable Sizing

Automatic cross-section calculation by heating, voltage drop, short-circuit current.

📊

Cable Schedule

Automatic cable schedule generation with types, lengths, routes.

⬇️

Voltage Drop

Voltage drop calculation along the entire chain: from main panel to end consumer.

📊 Calculations

Loads

Pinst, Pcalc, Icalc, cos φ, Kd — automatic per IEC/IS standards.

🔥

Short-Circuit

Single-phase and three-phase short-circuit current calculation, breaker verification.

🔗

Selectivity

Protection selectivity check: upstream/downstream breaker coordination.

Deterministic Engine

All calculations are deterministic, not LLM. Guaranteed repeatability.

📄 Documents

📑

PDF Complete Set

Plan, single-line diagram, panel schematic, BOM, cable schedule, estimate — one click.

📐

DXF Export

Export plans and schematics to DXF for compatibility with AutoCAD and other CAD.

📊

Bill of Materials

Automatic bill of materials with equipment, cables and materials quantities.

💰

Estimate

Automatic cost calculation for equipment, cables, and installation work.

🤖 AI Assistant

Standards Checking

Automatic project check against GOST, PUE, IS, IEC with violation details.

💡

Recommendations

AI suggests fixes for errors and project optimizations.

Calculation Explanations

Step-by-step explanation of each calculation: formulas, inputs, results.

🔍

Project Search

Semantic project search: find all outlets in the bedroom, check cable size in the kitchen.

🏗️ 3D Visualization

3D Building Model

Automatic 3D building model from floor plan: walls, doors, windows.

3D Cable Routes

3D cable route visualization with color-coded groups.

🗄️

3D Panel

Three-dimensional panel visualization with DIN rails and devices.

And this is just the beginning. New features are added every week.

🌐 Open app 🚀 Try for free

Zones

ZoneWhatAllowed
0Inside the bathSELV 12 V, IPX7
1Above the bathIPX4, SELV
260 cm from the bathIPX4, sockets

Socket rules

Sockets — only in zone 2 and beyond, at least 60 cm from the water, with RCD 10-30 mA. Above the sink — at least 60 cm from the tap.

FAQ

Is a socket in the bathroom allowed?
Yes — in zone 2 and further, with RCD and IPX4 protection.
What voltage in zone 0?
Only SELV 12 V — e.g., for a bath LED strip with the driver outside the zone.