ElectricalOM 18th Edition Ready!

 Thursday, October 4, 2018

We are continuously developing our software in order to comply with the new industry requirements and we are excited to announce that our leading Electrical Design and Certification Sofware is now fully compliant with BS7671:2018 - 18th Edition.

ElectricalOM will continue supporting 17th Edition so users can open projects carried out before the 18th edition and automatically convert them to comply with the new standard.

A BS7671 - 18th edition option is now added in the Regulation option and this must be selected in order to start carrying out studies using the new Regulation.

18th edition

The active regulation selection will be displayed on the main status bar at the bottom of the main screen as shown below:

18th edition

The changes included in the 18th Edition release are listed below:

1. BS7671:2018 - 421.1.7 AFDD to BS EN 62606
The user can select a combined Arc Fault Detection Unit to model an AFDD/MCB or AFDD/RCBO device up to 63A.

18th edition

2. BS7671:2018 - 411.3.2.2 Maximum disconnection times
The requirements specified in BS7671:2018 - 411.3.2.2 are now considered for the maximum disconnection times during earth fault.

18th edition

3. BS7671:2018 - 411.3.4 Additional requirements for circuits with luminaires
In domestic lighting circuits, the software will prompt to use RCD not exceeding 30mA.

18th edition

4. BS7671:2018 - 531.3.2 Unwanted tripping

The software now performs calculations and checks for RCD unwanted tripping.

5. Surge Protective Devices
The Surge Protective Devices functionality is now based on BS7671:2018 534 "DEVICES FOR PROTECTION AGAINST OVERVOLTAGE"
18th edition

6. BS7671:2018 - 536.4.202 Current ratings
Extra checks have been added to the software in order to comply with BS7671:2018 - 536.4.202

7. Terms, Warnings, and Guides
The term "Discrimination" is replaced with "Selectivity" and all warnings have been updated in accordance with BS7671:2018. Also, Guides have been modified to reflect the BS7671:2018 changes.


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