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1 (elect.) (Brit.), sbarra, sbarra collettrice, sbarra omnibus, sbarra di distribuzione.
2 bus bar sectionalizing switch (elect. device), sezionatore sulle sbarre collettrici.
3 bus bar voltage (elect.), tensione alle sbarre.
4 feeder bus bar (elect.), sbarra di distribuzione.
5 reserve bus bar (hospital bus-bar) (elect.), sbarra collettrice di emergenza.