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Guidance Notes

To complement our larger Application Guides we compile Guidance Notes which offer concise guidance on specific areas of technical interest.

BS 7671:2018+A2:2022 
Top 10 Changes in Amendment 2 Apr-22
Precautions where particular risks of fire exist Apr-22
Changes to Electrical Testing (and Paperwork) Apr-22
Different Types of RCDs (and other considerations) Apr-22
BS 7671:2018 
BIM - the transition from PAS 1192 to BS EN ISO 19650 Nov-21
ERA 69-30 series of guides Nov-21
Arc Flash Risk Assessments in the UK Jun-21
IET CoP In-service Inspection & Testing of Electrical Equipment – 5th Edition Oct-20

Electrotechnical Assessment Specification 

Guidance note for Members to assist with preparations for the Electrotechnical assessment Specification (EAS) requirements, which come into effect from 1 September 2020

Cable & CPR Aug-18
Risk assessment of SPDs BS 7671:2018 Aug-18
BS7671: 2018 AMD 1 Guidance Note Feb-20
EICR coding consideration  Dec-18
Adequacy of Existing DNO Fused Cut-Outs Dec-18
Use of non typical socket outlets Dec-18
Raised Access Floor Systems - Earthing & Bonding Dec-18
TT Earthing Systems - Guidance Note  Feb-17
Arc Fault Detection Devices  
Using Armouring as a Protective Conductor  
Guidance Note Earthing of Raised Access Floors  
Fault Currents in Generator Fed Installations  
Cable Seperation Requirement  
Coronavirus - Guide to re-occupying Buildings Apr-20
Guidance Note - Documentation Identification Notices v1.2 Dec-19
Transient over-voltage protection Jun-19
The Employer’s Legal Duties to maintain Safe Electrical Installations Aug-18

Cross-sectional Area of Neutral Conductors

Best practice advice based on one of the most frequent technical enquiries.

Does Metallic Cable Tray / Ladder Require Bonding?  
Guide to Electrical Maintenance  
Legal Obligations of Employers to Maintain all Electrical Installations in a Safe Condition  
Guidance to Electrical Contractors on the Disability Discrimination Act 1995  
A guide on how to Inspect and Test Portable Appliances Safely and Effectively