Cable Sizing
Power cable selection with derating and voltage drop
Verified module: SI units, SBC-referenced, deterministic, with documented verification metadata.
Code references
Inputs
| Parameter | Unit |
|---|---|
| Load Current | A |
| System Voltage | V |
| Phases | — |
| Cable Type | — |
| Ambient Temperature | °C |
| Installation Method | — |
| Ground Temperature | °C |
| Cable Length | m |
| Grouped Conductors | - |
| Power Factor | — |
| Max Voltage Drop | % |
| Fault Current | kA |
| Fault Duration | s |
| Tray Width | mm |
| Cables in Tray | - |
| Tray Loading Depth | mm |
Runs in the Insha by Schnell workspace. Verified calculators return explicit pass / fail / warning results with a clause trail.
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Insha by Schnell is in beta. All calculator outputs require review by a licensed SCE-registered engineer before submission to MOMRA, Civil Defense, MODON, the Royal Commission, or site execution.
Frequently asked questions
- What does the Cable Sizing calculator do?
- Power cable selection with derating and voltage drop. It references SBC 401 (Saudi Electrical Code).
- Which Saudi Building Code references does the Cable Sizing calculator use?
- The Cable Sizing calculator references SBC 401 (Saudi Electrical Code).
- What inputs does the Cable Sizing calculator need?
- The Cable Sizing calculator takes 16 inputs: Load Current (A), System Voltage (V), Phases, Cable Type, Ambient Temperature (°C), Installation Method, Ground Temperature (°C), Cable Length (m), Grouped Conductors, Power Factor, Max Voltage Drop (%), Fault Current (kA), Fault Duration (s), Tray Width (mm), Cables in Tray, Tray Loading Depth (mm).
- Is the Cable Sizing calculator verified?
- Cable Sizing is a verified module: SI units, SBC-referenced, deterministic, with documented verification metadata. Like all Insha by Schnell outputs, its results require review by a licensed SCE-registered engineer before submission or site execution.