BEAMA Guide - RCD selection for protection of Electric Vehicle charging installations
28 March 2022
BEAMA has published a new Guide on RCD selection for protection of Electric Vehicle charging installations. The guide is intended as a practical guide for designers, specifiers and installers to enable them to specify Residual Current Device (RCD) Protection of Electric Vehicle (EV) charging installations as required by amendment 2:2022 to the BS 7671:2018 18th Edition IET Wiring Regulations. The guide covers effects of DC fault currents on RCDs, the different types of Residual Direct Current Detecting Devices (RDC-DDs) and testing of RDC-DDs.