Electrical Industry Insights

Experience Ease and Precision with the New Cable Sizing Calculator App by Buckingham Electrical Ltd

December 15, 2023

A mockup of a large screen showing the new cable size calculator web app

Introducing the New Cable Sizing Calculator App by Buckingham Electrical Ltd – Bringing Convenience and Precision to Electrical Industry Professionals

Buckingham Electrical Ltd, Leicestershire, United Kingdom, a premier electrical installation solutions provider with a track record of 45 years of experience, is delighted to announce the launch of its new Cable Sizing Calculator App. This groundbreaking application promises to revolutionise the way electricians and electrical professionals determine the most suitable cable sizes for their projects.

The user-friendly web-based application is readily available at and is aimed at simplifying cable calculations for electricians, electrical contractors, estimators, apprentices and professionals in the electrical sectors including commercial, industrial and agricultural.

A crucial challenge faced by professionals in the electrical industry is making accurate decisions regarding what size cable, how many amps and how much current various cable sizes can carry. Understanding this, Buckingham Electrical Ltd has designed a comprehensive Cable Sizing Calculator App that offers precise cable size recommendations according to the input data provided by the user.

The cutting-edge calculator operates in compliance with BS7671 Requirements for Electrical Installation and IEE Wiring Regulations, ensuring that voltage drops at 230 and 400 volts are accurately considered. Crucially, the calculator focuses on amalgamated results for flexible cords across  various installation methods, providing users with at-a-glance insights.

It's important to note that the Cable Sizing Calculator App serves as a guideline, with the onus of ensuring the suitability and accuracy of the chosen cable falling on the user. To maintain accuracy, users must verify the appropriateness of flexible cords for their projects as well as validate the data and assumptions made by the calculator against their specific needs.

Despite the inherent complexities of cable calculations, the Cable Sizing Calculator App simplifies the process, enabling electrical professionals to make the right decisions efficiently. Alongside its commitment to precision, the Buckingham Electrical Ltd team has crafted the calculator with a focus on user experience, ensuring it is both easy to navigate and understand.

An Electrician in a factory using a very large and old calculator i.e. computer to make calculations

Experience a World of Benefits with Buckingham Electrical's Cable Sizing Calculator App:

1. Simplifies Complex Calculations:

Navigating cable size calculations can be challenging, but the Cable Sizing Calculator App cuts through the complexities, offering an easy-to-use interface that helps electrical professionals make important decisions quickly and efficiently.

2. Improves Accuracy:

By adhering to the BS7671 Requirements for Electrical Installation and IEE Wiring Regulations, this calculator ensures that informed cable size recommendations are made based on voltage drops at 230 and 400 volts. Consequently, professionals can benefit from improved precision in their cable calculations and installations.

3. Enhances Productivity:

The Cable Sizing Calculator App reduces the time spent on manual calculations, enabling electricians and industry professionals to allocate their valuable time to other crucial aspects of their projects.

4. Supports Informed Decision-Making:

Providing accurate and reliable information at users' fingertips, this calculator assists in making better-informed decisions concerning what size cable, how many amps and how much current various cables can carry, ensuring optimal performance in electrical installations.

5. Accessible for All:

Designed with electrical professionals at all levels in mind, from experienced electricians to apprentices just starting their careers, the Cable Sizing Calculator App offers valuable information and guidance that is easy to understand and implement.

6. A Valuable Resource for Multiple Electrical Sectors:

Whether working in commercial, industrial or agricultural settings, the application offers precise cable size recommendations to suit a wide range of contexts and requirements. This makes it the perfect tool for any electrical professional seeking to enhance their knowledge and make smarter decisions.

Explore a Comprehensive Range of Current Carrying Capacity Tables and User-friendly Instructions

The Cable Sizing Calculator App from Buckingham Electrical Ltd is accompanied by an extensive collection of current carrying capacity tables and voltage drop data specifically tailored to Doncaster Cables products. By integrating this wealth of information into the app, users are better equipped to make the best decisions for their electrical installation needs.

Following an easy step-by-step process, users can calculate their specific cable requirements:

1. Select the supply type (Single phase 230V / Three Phase 400V)

2. Define the desired voltage drop

3. Enter the required power in watts or current in amperes for the cable to carry

4. Specify the length of the cable run

5. Choose the method of installation for the cable

6. Click 'calculate' to view the recommended cable sizes

The Cable Sizing Calculator App goes beyond simple calculations, showcasing a diverse range of cable types for comparison. By scrolling through the list, users can evaluate how different cable types may vary in size based on identical input parameters, supporting informed choices for installation.

The calculator covers an array of cable types, including:

- Single Core 70°C Thermoplastic Insulated Cables, Non-Armoured, With or Without Sheath

- Multicore 70°C Thermoplastic Insulated and Thermoplastic Sheathed Cables, Non-Armoured

- Single Core 90°C Thermosetting Insulated Cables, Non-armoured, With or Without Sheath

- 70°C Thermoplastic Insulated and Sheathed Flat Cable with Protective Conductor

- Multicore 90°C Thermosetting Insulated and Thermoplastic Sheathed Cables, Non-Armoured

- Multicore 90°C Armoured Thermosetting Insulated Cables

- 60°C Thermosetting Insulated Flexible Cables with Sheath, Non-Armoured

- 90°C and 180°C Thermosetting Insulated Flexible Cables with Sheath, Non-Armoured

- Flexible Cords, Non-Armoured

With such extensive information and an accessible step-by-step guide for use, Buckingham Electrical's Cable Sizing Calculator App is an indispensable tool for electricians, apprentices and professionals alike, ensuring accurate, efficient and successful electrical installations.

Users can access the Cable Sizing Calculator for free at and although the tool serves as a helpful initial reference, Buckingham Electrical Ltd encourages users to consult the BS7671 guidelines for detailed individual tables and applicable correction factors and assumes no responsibility for the application of the proposed cable sizes or the consequences thereof.

About Buckingham Electrical Ltd

With a combined experience of 45 years in the electrical installation sector, Buckingham Electrical Ltd is a trusted provider for a wide range of electrical projects. Catering to the commercial, industrial and agricultural sectors, the company is well-equipped to handle all types of electrical installations. Located in Leicestershire, Buckingham Electrical Ltd has built a strong reputation for its versatility and reliability, forging strong relationships with customers and delivering on its commitment to excellence.

For more information about Buckingham Electrical and the newly launched cable sizing calculator app, don’t hesitate to contact us today.

Get in touch here.

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