But you said the RCD was tripping.
There is nothing an MCB can do to cause that.
Much more likely you have a damaged cable and it has partially burnt through, perhaps where the live wire was touching the earth wire.
Are you going to cross your fingers and hope for the best?
There is nothing an MCB can do to cause that.
Much more likely you have a damaged cable and it has partially burnt through, perhaps where the live wire was touching the earth wire.
Are you going to cross your fingers and hope for the best?