I met with David and he showed me the wire that the squirrel ate through. This wire is not intended to be spliced and measurements were taken to replace the wire. The line-set enters the building through a metal wall that is very sharp. An estimate for the replacement of the damaged wire as well as adding protection to both high voltage wires that enter the building was created and emailed to David. While on-site today I located the unlabeled breaker that serves the A/C system and turned it off. In addition to this the damaged wire was removed from the outside unit and rendered safe just in case someone turns the breaker on. Thank you, Jon