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单词 neutral wire
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neutral wire
neutral wire n. Electrical Engineering a wire connected to a neutral point of an electrical system (and usually also to earth).
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the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > conduction to earth > [noun] > wire
earth wire1847
earth1857
neutral wire1893
1893 W. P. Maycock Electr. Lighting & Power Distrib. II. xi. 297 This middle conductor, or as it is called, the neutral wire, or balancing wire.
1972 I. M. Smith & K. T. Hosie Basic Electr. Engin. Sci. ix. 238 The current in the neutral wire of a balanced 3-ph[ase], 4-wire star-connected system is zero and the conductor may be omitted.
1988 Which? Mar. 112/2 Circuits..must have an earth conductor as well as the live and neutral wires.
extracted from neutraln.adj.
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