Search results

ok, will get a 100ma rcd and make that the main incomer and then i can still use the 30ma to feed a couple of mcbs with the rings on.

hi. i am replacing an old earth trip on a tt insulation. i should had got a 100ma rcd, but by mistake i have a 30ma. if i fit the 30ma rcd and it causes no problems is it ok to leave it or MUST it be a 100ma.