It is a requirement to select at least type A RCD for EV charging ... to a circuit with RCD protection-somewhat difficult as all socket outlets in the ...
This then goes through a 80amp RCD 30ma, then goes to a TPN 24 way DB. ... on which makes the RCD trip as the earth leakage goes over 30ma. ... lights always being RCBO's as well as any external lighting or sockets .