Installations & Wiring Calculators

This section provides guidance and links to our advanced engineering calculators for electrical installation design. These tools are intended for professionals and students who need to perform detailed calculations based on specific electrical codes and standards.

For Professional & Educational Use Only

The calculators linked from this page are advanced tools and require an understanding of electrical engineering principles. They are for informational purposes and are not a substitute for professional engineering design, adherence to local codes (like NEC, AS/NZS), or on-site verification. Always consult a licensed electrician or engineer for designing and installing electrical systems.

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Cable Size Calculator (AS/NZS)

An advanced tool for determining the correct cable size based on load, voltage drop, and installation conditions according to Australian/New Zealand standards.

Box Fill Calculator (NEC)

Calculate the required volume for an electrical box based on conductors, devices, and clamps, following NEC guidelines.

Maximum Demand Calculator

Estimate the maximum electrical demand for an installation by applying diversity factors to different types of loads.

Current Carrying Capacity (Ampacity) Calculator

Estimate the ampacity of a conductor based on its size, insulation, and installation environment.

3 Phase Motor Cable Size Calculator

A specialized tool to determine the correct cable size for a three-phase motor based on its power, voltage, and run length.

Capacitor Bank Calculation

Calculate the required kVAR for power factor correction in an electrical system.