Coax network alterations should only done by Virgin, using their own specialised cable & connectors. Unauthorised alterations can result in "noise" leaking into the local network & causing all kinds of problems for you & possibly the rest of the street as well. Non-fault callouts are a standard charge of £99 whatever work is required.
Cable customer since 1993. Services: FH TV, Sky Sports & Movies (2xV+), Talk Unlim Telco, VIVID 100, Virgin PAYG Mobile