pressure wire
Noun
Meaning
pressure wire (plural pressure wires)
(electrical) Any of a set of wires leading from various points of an electrical system to a central station, where a voltmeter indicates the potential of the system at those points.
Noun
pressure wire (plural pressure wires)
(electrical) Any of a set of wires leading from various points of an electrical system to a central station, where a voltmeter indicates the potential of the system at those points.