Cable Sizing Calculator
AS/NZS 3008 · 3000
Supply & Load
Standard
Phase
Nominal voltage
V
Design load
Power factor
cos φ
Load growth
%
Cable distance
m
Max voltage drop
V-drop method
Conductor temp.
Cable
Cable type
Insulation
Conductor
Sizing mode
Manual size
Parallel cables
× / phase
Formation
Earth conductor
Installation & Protection
Installation
Exposure (unenclosed)
Bunching
Ambient air temp.
°C
Soil temperature
°C
Depth of laying
m
Soil resistivity
°C·m/W
Adjacent circuits
circ.
Protective device
Fault current
kA
Clearing time
ms
Conduit sizing
DocumentAudit-ready sheet · —
Project Details
Revision History
| Rev | Date | Description | Author | Status |
|---|
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—Notes
- All cable installation per AS/NZS 3000:2018.
- Ratings, derating and impedance interpolated from AS/NZS 3008.1.1:2017 — verify against the published tables before issue.
- Verify protective-device let-through energy against manufacturer curves.
References
- — awaiting inputs —
Title Block
Ampacities ·Surry Hills · Sydney
Doc No—
RevA
ScaleN.T.S.
Date—
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Checked
Approved
Sheet1 of 1
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Client
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