1) busbars
2) busbar
3) contact bar
in a substation, a busbar assembly necessary to make a common connection for several circuits
GRM: pl.n. (1), n. (2,3)
USG: term commonly used (2)
Note: three busbars for a three-phase system
References:
SPE disconnectable busbar
SPE main busbar
SPE reserve busbar
SPE switchable busbar
SPE transfer busbar

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