Can any qualified Biggin hill electrician help. I have a dude double plug socket that the neutral wire has either broke some where or is not connected properly to the circuit board. The wires there but not live. Have had 2 qualified sparks out already n they can't sort it. Need this plug as need it for Christmas tree lights. No spare socket. Can any one solve this problem if so please leave a number local trades person in Biggin hill. Cash job. Many thanks. x