I have unplugged everything and when the CB is switched on - this will cause the RCD to trip again. As irritating as a tripping safety switch may be, it is only doing the job it is designed to do! Use each one and keep going until one of them triggers the RCD. I have a multimeter and have tested some of the plugs. Managed to wire everything up to the right hand RCD. I'm back there next weekend. Why does my safety switch keep tripping? It will be hard to track down though, as it could be anywhere. If it re-sets then you know one of those appliances is causing the tripping. If there are no signs as to which particular fuse has tripped, you will, unfortunately, have to unplug everything in the house and plug back in one at a time! This won't have blown a fuse in the past, but will trip an RCD. Any help is greatly appreciated. It is just the last MCB just puts it over the limit. Since they've left for the evening however, one of the rcds keeps tripping. Yes, everything. Since last night (high winds and rain), one of the RCDs has been tripping with a loud bang every so often, perhaps 8 times last night. so all circuits are working. I switched it back on this morning, it tripped a couple more times in the morning and 4+ times throughout the afternoon. The problem with a MCB is it only turns off the line, the neutral is left connected. RCD keeps tripping with no MCB switched on. As a safety switch is designed to shield people from an electric shock, if it has tripped that usually means there is a problem somewhere that needs to be addressed. All my fridge, freezer and all sockets keep tripping after 5 - 20 secs, I've now unplugged everything except fridge n freezer as I can't get to them and Its still tripping? Your TV, your hair straighteners, your washing machine etc. The basic setup is a standard consumer unit in the kitchen with all circuit breakers split across 2 RCDs - No circuits which aren't covered by an RCD. So start putting the MCB's in left to right and the last MCB on right may trip the RCD, but start putting the MCB's in right to left and the last MCB on the left can trip it. I was called in to try to resolve the fault, on first inspection I found that the RCD would not reset unless all mcb's were switched off, then reset RCD and switch each mcb individually. I have a rcd tripping (ring main). Once everything is unplugged, go and re-set the RCD. Have a closer look at the switches on your fuse box to try and see which switch on the RCD (Residual Current Device) has broken the electrical circuit. Some time later it would repeat the process. Neutral, ground and hot should all register no continuity between each other with everything unplugged and all light witched off. ... We have unplugged all appliances taken out all the fuses from spurs (To our knowledge) and it still trips when nothing is plugged in, Before we get an electicrian to rip open the walls to check cabling does anyone know anything else we could do? Any ideas? I've unplugged everything from the sockets that keep blowing and it still trips. I have checked all the wiring in the sockets to check if there is a problem with that - all ok. 0. My question is - is there a way to systematically find where the fault lies without having to take each plug out? rcd keeps tripping nothing plugged in - please help! I guess that means an internal wiring issue? Step 4. Anyone have any idea why the rcd on the fusebox keeps tripping out? Then voila! I have tried turning everything off and testing one by one to identify a problem appliance - not worked. Rich I get an Ohms reading which I think confirms it is a ground fault. Now, go around and start plugging them back in one-by-one. 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