Thanks for the prompt reply.
Firstly the repair was with a terminal block but i dont know at what rate other than it being a standard small size. It was then taped over and a thick filler covered over.
The cable i drilled thru was leading to a 13amp socket.You say this is usually protected by...
i recently drilled thru a 13 amp live wire. I have repaired this by reconnection thru a circuit block. This was three weeks ago.
Christmas eve the 13 amp circuit has started tripping for unknown reason. Could the problem be the repair?