This fourth edition looks to bring the code of practice up to date with the latest developments in the electrical energy storage market and ensure alignment with Amendment 4 of BS 7671, including:
- Updated guidance and reference to other related standards#
- New guidance on islanding equipment
- Expanded battery technology coverage including sodium-ion batteries
- New guidance for values of consumer earth electrode resistance
- Enhanced guidance on arc flash, fire safety, RCD selection, earthing, signage, and certification
Status: Open to comment until 9am on Monday, 16 November 2026.
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