Phase 1IEC

Cable Sizing Calculator

IEC 60364-5-52 / NEC 310 / IS 3961 / BS 7671

Calculate cable cross-section area based on load current, derating factors (temperature, grouping, installation method), and voltage drop. Suitable for LV industrial and commercial installations.

View Guide

Results are for guidance only. All calculations must be verified by a qualified electrical engineer before implementation. Always refer to the applicable local standard and authority having jurisdiction.

Standard:

Load & System Data

Load Power *

System Voltage

Power Factor

Phases

Cable Run Length *

Demand Factor

Use 0.8 for diversity in large loads

Installation & Cable Data

Cable Material

Insulation Type

Installation Method

Ref: IEC 60364-5-52 Table B.52.1

Load Type

Ambient Temperature

°C

Typical: 30°C (IEC base), 40°C (Middle East/India)

Number of Grouped Cables

Cables grouped together in same tray/conduit