Nickel-clad copper wire is a conductor with a nickel layer fused to a copper core, with the nickel about 30 percent of the conductor area, offering high temperature capability.
Nickel-clad copper wire is built by fusing a substantial layer of nickel to a copper core before the wire is drawn, with the nickel making up roughly 30 percent of the conductor's cross-sectional area. This produces a conductor with notably higher resistivity than pure copper and the ability to operate at extremely high temperatures that would damage ordinary copper wire.
The thick nickel cladding protects the copper from oxidation and allows the wire to withstand intense heat, making it suitable for high-temperature applications such as certain heating, aerospace, and specialized industrial uses. The higher resistivity is a characteristic to account for in design, reflecting the substantial proportion of nickel in the conductor.
In commercial and industrial wire, nickel-clad copper conductors serve where temperature extremes rule out standard copper. Recognizing the construction, abbreviated NCC and NC, is part of identifying a conductor engineered for severe thermal conditions.
Because the high nickel content raises resistivity while enabling extreme temperature service, this conductor is reserved for specialized roles, and recognizing its construction is part of selecting wire engineered for severe thermal conditions rather than general use.
At Windy City Wire, an understanding of specialized conductors like nickel-clad copper wire supports the selection of wire for demanding applications. Recognizing how the fused nickel layer enables high-temperature service helps customers match conductors to severe commercial and industrial conditions.
NCC and NC (nickel-clad copper wire)