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Online Electrical Software

Online cloud based electrical software for your desktop PC, Mac, laptop or Chromebook.

Enjoy the benefits of the larger screen sizes offered by desktop PC’s and laptops to carry out your online electrical calculations or looking up electrical tables with ease using the search index to search what you are looking for, this online electrical software is compatible with Windows, Mac & Chromebook.

This online electrical software is loosely based on our electrical tools and reference application, designed to support electricians and electrical contractors in their daily needs for an easy to use simple and cheap online electrical software solution.

  • Updated to BS 7671 18th Edition Amendment 2.
  • Mac | Windows | Chromebook
Cloud Electrical Software
Cloud Electrical Software

Electrical Certification Software ?

This page outlines our Online Web Based Electrical Software package which is loosely based on our electrical tools and reference app. If you are looking for the Pro Certs Electrical Certification Software click the button below, otherwise continue reading.

Desktop PC Electrical Software

Easy to use Navigation

Designed with the user in mind there are a number of easy access menus along with a searchable index.

Home screen quick access icons link to the most commonly used electrical software’s used by electricians and electrical engineers.


Log in to the software package from anywhere.

  • Easy to follow UI
  • Packed with lots of electrical tables
  • Multiple packages all in one
  • Searchable index
Online Cable Size Calculator
Cloud Based Electrical Software

Tools and Electrical Calculators

At your desk preparing a quotation for an important client and need to quickly check a circuit for volt drop or verify a cable size?

Our cloud based electrical software can be accessed from anywhere where you have an internet connection, at home or at work.

Electrical Tables and Charts

Search for tables and charts using the searchable index menu

  • Print most tables
  • Quick search function
  • Zoom in and out

Cant find what your are looking for? – Let us know and we’ll do our best to add it.

Electrical Software for Mac

Maximum Demand Calculator

New for 2023, UI improvements and a new maximum demand calculator, calculate your total connected load then apply diversity.

  • Single Phase Loads
  • Three Phase Loads
  • Based on the On-Guide Guide
  • Use OSG or custom diversity factor values

Cable Calc

Online cable calculation software for a variety of cable types.

  • Print or save (PDF) cable calculation results
  • Add client name and installation address
  • Name and sign-off the results document
  • Correction factors and installation methods
  • Also estimates Zs, R1+R2 and voltage drop

Web Software Pricing


Multi-user 12 months access to the cloud electrical software

£165 (includes 3 users)


Single-user 6 months access to the cloud electrical software



Single-user 12 months access to the cloud electrical software


This Online electrical software is loosely based on our Electrical Tools and Reference app. Carry out electrical calculations such as cable sizing, maximum demand and Adiabatic equations amongst others, access to many electrical tables and charts. This online electrical software package is based on the 18th edition of BS 7671 IET Wiring Regulations.

Electrical Software


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