save in the case of isolated networks, is fully electrified as regards line tracks and, to the extent necessary for electric train operations, as regards sidings;
go bhfuil sé leictrithe go hiomlán maidir le rianta líne agus, a mhéid is gá d'oibríochtaí na dtraenacha leictreacha, maidir le taobhlaigh, ach amháin i gcás gréasán iargúlta;