This FAQ has been written for NEAL (North East Africa and Levant) region. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
As recommended in the technical guide for RCD's,If long cables are installed downstream of the earth leakage protection devices, it may be necessary to take the natural capacitance formed by the cable/earth pair into account when selecting the RCD sensitivity to avoid Nuisance tripping (order of magnitude: at 230 V, approximately 1.5 mA for 100 m).