About Electrical Tools and Reference
The first Electrical App for UK Electricians and anyone working within the Electrical Industry. Based on BS 7671 wiring regulations and associated electrical standards and regulations. Packed full of electrical...
The first Electrical App for UK Electricians and anyone working within the Electrical Industry. Based on BS 7671 wiring regulations and associated electrical standards and regulations. Packed full of electrical calculators, tools and electrical tables and charts. Also includes electrical forms, records and essential documents - Every thing an electrician needs day to day. Electrical Tools and Reference App is the professional electricians choice since 2011, built for electricians and electrical engineers, by electricians and electrical engineers. MAIN MENUS: 1: Tools and Calculators 2: Reference Tables and Charts 3: Documents and Guides 4: Forms 5: Recalls and Safety Alerts A great addition to your electrical toolkit enabling the instant lookup of electrical cable rating charts, EICR next inspection dates or max Zs value. Carry out a quick on-site electrical calculations or complete a CPD record. SUB MENUS: 1: Earthing & Bonding Calculators 2: Maximum Zs Values 3: Cable Colour Codes 4: Cable Ratings 5: and more... ELECTRICAL CALCULATORS: Carry out an electrical calculation on-site or in the office. Save or print cable calculations to append to your electrical design documents. The current set of electrician calculators and tools include but not limited to: - Cable Size Calculator - Max Zs Values (MCCB's, RCD's, Fuses and Circuit Breakers) - AC and DC (Solar PV) Voltage Drop Calculator - Adiabatic Equation Calculator - CPC and Earthing & Bonding Size Calculators - kVA and Ohms Law Calculators - Cable Length Calculator - Cable Temperature Limiting Calculator - many more... All the calculations within this app have been hand written and tested by actual engineers, we have not used AI for any of the calculations. ELECTRICAL FORMS: All form data for the forms below will sync across all your devices, export forms directly to PDF and email. The current set of forms include: - Electrical Isolation Certificates - Continuing Professional Development CPD Forms - Risk Assessments - Supervision Records - Test Instrument Ongoing Accuracy Records - Customer satisfaction review forms OTHER FORMS - Electrical Danger Notice - Distribution Board (DB) Notice Designed to assist with the daily needs of a UK electrician to help reduce the burden of paperwork. *Forms are a free beta add-on for testing purposes only, a subscription maybe required to access them in the future. Don't have your wiring regulations book or other technical electrical guides to hand? Have all the electrical information you need with you all the time ready for when you really need it with this Electrical Tools & Reference App. Like this app? don't forget to share it with your electrician mates, colleagues or your apprentices. OTHER FEATURES: - Direct dial to the local DNO. - Data sync across devices - Searchable app index. - Save and print your own notes. - Regularly maintained. - Dedicated support team. Looking for Electrical Certification Software? Take a look at our "Pro Certs" App for iPad. Pro Certs Software: Electrical Apps & Certification Software for the Electrical Industry since 2011.
Previous Versions
Here you can find the changelog of Electrical Tools and Reference since it was posted on our website on 2021-10-04 17:44:11.
The latest version is 15.1.32 and it was updated on 2026-06-15 07:40:18. See below the changes in each version.
Electrical Tools and Reference version 15.1.32
Updated At: 2026-06-15
Changes: Version History 13/05/2026 v.15.1.32 (150132)
This version has been completely rewritten from scratch.
- Supports dark mode
- Updated sleek UX and UI
- Optimised
- New features for 2026
- New calculators added
- In-App documents updated
- New log-n
- Data Sync across devices
- Complete app rewrite
- New user guide
- Bug fixes 15.1.32 May 14 02/05/2026 v.15.1.31 (150131 | 15.1.31)
This version has been completely rewritten from scratch.
- Supports dark mode
- Updated sleek UX and UI
- Optimised
- New features for 2026
- New calculators added
- In-App documents updated
- New log-n
- Data Sync across devices
- Complete app rewrite
- New user guide 15.1.31 May 3 28/04/2026 v10.42.26
- Supports dark mode
- Updated sleek UX and UI
- Optimised
- New features for 2026
- New calculators added
- In-App documents updated
- New log-n
- Data Sync across devices
- Complete app rewrite
- New user guide 15.1.30 Apr 29 06/12/2025 v10.42.25
*My Forms:
- Added Electrical Isolation Certificate
- Local backup/restore.
Features:
- Swipe any screen to open/close the side bar menu.
- In-app optimisations.
- UI improvements.
*My Forms are a free beta add-on for testing purposes only, a subscription maybe required to access them in the future. 10.42.25 12/06/2025 19/07/2025 v10.42.23
*My Forms:
- Added Risk Assessments.
- Added Supervision Records.
- Added CPD Records.
- Added Test Kit Ongoing Accuracy Records.
Features:
- Swipe any screen to open/close the side bar menu.
- In-app optimisations.
- UI improvements.
Documents and Guides:
- Updated Approved Building Documents.
- Updated Best Practice Guides.
*My Forms are a free beta add-on for testing purposes only, a subscription maybe required to access them in the future. 10.42.23 07/19/2025 10.42.19 (BETA)*
- Added section My Forms (Home > Forms > My Forms).
- Added "Supervision Records" to the new My Forms section.
*Note: The features added in this update are free experimental BETA addons and maybe removed in a future update. 10.42.19 09/01/2024 - Added a Solar PV DC Voltage Drop Calculator.
- More resources added to the "Documents & Guides" section.
- New and improved method for opening PDF files.
- Some PDF file updates.
- Small UI improvements. 10.42.18 03/07/2024 1. Added the option to enter a custom maximum voltage drop value (in addition to the standard 3% & 5% values) for the Cable Calc.
2. Added section Electrical Forms.
3. Added more resources to the Technical Guides section. 10.42.17 09/24/2022 Added another Product Safety Recall source. 10.42.16 08/20/2022 - Added a new electrical Product Recall feed.
- Added a new Zs Converter.
- Added a Wylex MCCB Zs table. 10.42.15 08/18/2022 Added a new "Technical Guides" section which includes Technical Articles & Guides, Best Practice Guides, Health & Safety Documents and Building Regulation Documents Parts A to S. 10.42.14 07/24/2022 BS 7671 18th Edition Amendment 2 update. 10.42.13 06/22/2022 Added a new electrical calculator to calculate the time in which a given fault current will raise the live conductors from the Highest Permissible Temperature in normal duty to the Limiting Temperature. 10.42.12 06/16/2022 Added cable rating table 4D2A, dark mode bug fix. 10.42.10 03/05/2022 News feed update. 10.42.9 01/17/2022 Cable calc bug fix. 10.42.8 12/17/2021 - Added Ceeform Plugs (Commando)
- Added Luminaire (Lighting) Symbols
- Added A4 DB (Consumer unit) notice
- Added At Risk Danger Notice warning label
- New search menu function, search the sidebar menu
- More items added to the sidebar menu
- Some minor layout improvements 10.42.7 12/13/2021 Added an Ohm's Law calculator, updated RCD & SPD tables and some optimizations. 10.42.6 11/18/2021 - Added some manufacture BS 3871 Type 4 maximum Zs values to the Max Zs values calculator.
- Maintenance update. 10.42.5 08/20/2021 Added a Call the local DNO function, added new news feed and some UI tweaks and optimizations. 10.42.4 03/09/2021 - Added: Copper Clad Aluminium Cable Rating Table
- Added: MCCB Explanation of Setting Symbols
- Added: DNO Ze Values & Earthing System Types Diagram
- Edit: Max Zs Values > changed reference wording from REC to DNO / DSO
- Minor tweaks, improvements and optimizations. 10.42.3 12/21/2020 Added: BS 5308 part 1 +2 cable colour charts
Added: Enats 09-06 cable colour charts
Added: RJ45 connections
Added: Telephone connections
Added: Harmonised wiring colours table
+ Back-end improvements
+ Reduced app download file size
+ Bug fixes 10.42.2 06/23/2020 Added: Print function to "My Notes"
Added: New sidebar menu
Added: New charts
Added: New tools
Added: New features
Added: New UI
Added: Custom built document viewer 10.42.1 04/29/2020 Brand new redesign from the ground up with new features and add ons:-
Added: New sidebar menu
Added: New charts
Added: New tools
Added: New features
Added: New UI
Added: Custom built document viewer 10.42 04/15/2020 Thank you for using Electrical Tools & Reference. This update brings new UI improvements and bug fixes. Your feedback is important to us, please email any improvement ideas to
[email protected] or visit procertssoftware.com 10.41 03/08/2019
Electrical Tools and Reference version 15.1.31
Updated At: 2026-05-11
Changes: Version History 02/05/2026 v.15.1.31 (150131 | 15.1.31)
This version has been completely rewritten from scratch.
- Supports dark mode
- Updated sleek UX and UI
- Optimised
- New features for 2026
- New calculators added
- In-App documents updated
- New log-n
- Data Sync across devices
- Complete app rewrite
- New user guide 15.1.31 May 3 28/04/2026 v10.42.26
- Supports dark mode
- Updated sleek UX and UI
- Optimised
- New features for 2026
- New calculators added
- In-App documents updated
- New log-n
- Data Sync across devices
- Complete app rewrite
- New user guide 15.1.30 Apr 29 06/12/2025 v10.42.25
*My Forms:
- Added Electrical Isolation Certificate
- Local backup/restore.
Features:
- Swipe any screen to open/close the side bar menu.
- In-app optimisations.
- UI improvements.
*My Forms are a free beta add-on for testing purposes only, a subscription maybe required to access them in the future. 10.42.25 12/06/2025 19/07/2025 v10.42.23
*My Forms:
- Added Risk Assessments.
- Added Supervision Records.
- Added CPD Records.
- Added Test Kit Ongoing Accuracy Records.
Features:
- Swipe any screen to open/close the side bar menu.
- In-app optimisations.
- UI improvements.
Documents and Guides:
- Updated Approved Building Documents.
- Updated Best Practice Guides.
*My Forms are a free beta add-on for testing purposes only, a subscription maybe required to access them in the future. 10.42.23 07/19/2025 10.42.19 (BETA)*
- Added section My Forms (Home > Forms > My Forms).
- Added "Supervision Records" to the new My Forms section.
*Note: The features added in this update are free experimental BETA addons and maybe removed in a future update. 10.42.19 09/01/2024 - Added a Solar PV DC Voltage Drop Calculator.
- More resources added to the "Documents & Guides" section.
- New and improved method for opening PDF files.
- Some PDF file updates.
- Small UI improvements. 10.42.18 03/07/2024 1. Added the option to enter a custom maximum voltage drop value (in addition to the standard 3% & 5% values) for the Cable Calc.
2. Added section Electrical Forms.
3. Added more resources to the Technical Guides section. 10.42.17 09/24/2022 Added another Product Safety Recall source. 10.42.16 08/20/2022 - Added a new electrical Product Recall feed.
- Added a new Zs Converter.
- Added a Wylex MCCB Zs table. 10.42.15 08/18/2022 Added a new "Technical Guides" section which includes Technical Articles & Guides, Best Practice Guides, Health & Safety Documents and Building Regulation Documents Parts A to S. 10.42.14 07/24/2022 BS 7671 18th Edition Amendment 2 update. 10.42.13 06/22/2022 Added a new electrical calculator to calculate the time in which a given fault current will raise the live conductors from the Highest Permissible Temperature in normal duty to the Limiting Temperature. 10.42.12 06/16/2022 Added cable rating table 4D2A, dark mode bug fix. 10.42.10 03/05/2022 News feed update. 10.42.9 01/17/2022 Cable calc bug fix. 10.42.8 12/17/2021 - Added Ceeform Plugs (Commando)
- Added Luminaire (Lighting) Symbols
- Added A4 DB (Consumer unit) notice
- Added At Risk Danger Notice warning label
- New search menu function, search the sidebar menu
- More items added to the sidebar menu
- Some minor layout improvements 10.42.7 12/13/2021 Added an Ohm's Law calculator, updated RCD & SPD tables and some optimizations. 10.42.6 11/18/2021 - Added some manufacture BS 3871 Type 4 maximum Zs values to the Max Zs values calculator.
- Maintenance update. 10.42.5 08/20/2021 Added a Call the local DNO function, added new news feed and some UI tweaks and optimizations. 10.42.4 03/09/2021 - Added: Copper Clad Aluminium Cable Rating Table
- Added: MCCB Explanation of Setting Symbols
- Added: DNO Ze Values & Earthing System Types Diagram
- Edit: Max Zs Values > changed reference wording from REC to DNO / DSO
- Minor tweaks, improvements and optimizations. 10.42.3 12/21/2020 Added: BS 5308 part 1 +2 cable colour charts
Added: Enats 09-06 cable colour charts
Added: RJ45 connections
Added: Telephone connections
Added: Harmonised wiring colours table
+ Back-end improvements
+ Reduced app download file size
+ Bug fixes 10.42.2 06/23/2020 Added: Print function to "My Notes"
Added: New sidebar menu
Added: New charts
Added: New tools
Added: New features
Added: New UI
Added: Custom built document viewer 10.42.1 04/29/2020 Brand new redesign from the ground up with new features and add ons:-
Added: New sidebar menu
Added: New charts
Added: New tools
Added: New features
Added: New UI
Added: Custom built document viewer 10.42 04/15/2020 Thank you for using Electrical Tools & Reference. This update brings new UI improvements and bug fixes. Your feedback is important to us, please email any improvement ideas to
[email protected] or visit procertssoftware.com 10.41 03/08/2019 Added new printable electrical charts, improved UI, bug fixes, fixed volt drop bug, improved cable calculator and added an electricians discussion forum for electricians in the pro certs network. 10.4 01/02/2019
Electrical Tools and Reference version 10.42.25
Updated At: 2025-12-06
Changes: 06/12/2025 v10.42.25
*My Forms:
- Added Electrical Isolation Certificate
- Local backup/restore.
Features:
- Swipe any screen to open/close the side bar menu.
- In-app optimisations.
- UI improvements.
*My Forms are a free beta add-on for testing purposes only, a subscription maybe required to access them in the future.
Electrical Tools and Reference version 10.42.23
Updated At: 2025-07-19
Changes: Jul 19, 2025
Version 10.42.23
19/07/2025 v10.42.23
*My Forms:
- Added Risk Assessments.
- Added Supervision Records.
- Added CPD Records.
- Added Test Kit Ongoing Accuracy Records.
Features:
- Swipe any screen to open/close the side bar menu.
- In-app optimisations.
- UI improvements.
Documents and Guides:
- Updated Approved Building Documents.
- Updated Best Practice Guides.
*My Forms are a free beta add-on for testing purposes only, a subscription maybe required to access them in the future.
Electrical Tools and Reference version 10.42.19
Updated At: 2024-09-01
Changes: Sep 1, 2024
Version 10.42.19
10.42.19 (BETA)*
- Added section My Forms (Home > Forms > My Forms).
- Added "Supervision Records" to the new My Forms section.
*Note: The features added in this update are free experimental BETA addons and maybe removed in a future update.
Electrical Tools and Reference version 10.42.18
Updated At: 2024-03-07
Changes: Mar 7, 2024
Version 10.42.18
- Added a Solar PV DC Voltage Drop Calculator.
- More resources added to the "Documents & Guides" section.
- New and improved method for opening PDF files.
- Some PDF file updates.
- Small UI improvements.
Electrical Tools and Reference version 10.42.17
Updated At: 2022-09-24
Changes: Sep 24, 2022
Version 10.42.17
1. Added the option to enter a custom maximum voltage drop value (in addition to the standard 3% & 5% values) for the Cable Calc.
2. Added section Electrical Forms.
3. Added more resources to the Technical Guides section.
Electrical Tools and Reference version 10.42.16
Updated At: 2022-08-20
Changes: Aug 20, 2022 Version 10.42.16
Added another Product Safety Recall source.
Electrical Tools and Reference version 10.42.10
Updated At: 2022-03-05
Changes: Mar 5, 2022 Version 10.42.10
Added cable rating table 4D2A, dark mode bug fix.
Electrical Tools and Reference version 10.42.6
Updated At: 2021-11-18
Changes: Nov 18, 2021 Version 10.42.6
Added an Ohm's Law calculator, updated RCD & SPD tables and some optimizations.
Disclaimer
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