: Surge Protective Devices (SPDs) are now required in most scenarios to protect sensitive electronic equipment from transient overvoltages.
Current amendments have shifted focus toward sustainability and advanced safety: BS7671:2018 Requirements for Electrical Install...
For those needing a practical reference, the IET On-Site Guide provides a simplified version of these rules for installations up to 100 A. Bs7671 On Site Guide - ftp.arcchurches.com : Surge Protective Devices (SPDs) are now required
: Ensure correct cable sizing and selection of protective devices compliant with British Standards. BS7671:2018 Requirements for Electrical Install...
: Establishes safety objectives for people, property, and livestock.