Wire is part of the reform of the circuit is very important, currently on the market of household wire mainly divided into two kinds of copper wire and aluminum wire.
1, load power: the same two wire cross-sectional area of the copper wire and aluminum wire, copper wire of the load power is greater than the aluminium wire. For example: both are 2.5 square line, so suppose aluminium wire can load 2500 watt, copper wire can load 3000 watts. (note: this is a metaphor for without actual budget)
2, flexibility: copper wire better flexibility, easy to bend, fatigue resistance is strong. Aluminium wire is relatively easy to break when bending.
3, stability, aluminium wire is easy to oxidation, so as to make the resistance, reduce wire load, are prone to security issues. But the stability of the copper core.
4, resistivity: copper resistivity is small, compared to the resistivity of aluminium wire is lower than 1.68 times more likely to lead to the power consumption of aluminium wire is bigger, fever is serious, affect electricity utilization.
5, price: aluminium wire to much lower prices relative to copper wire, copper wire price is generally 3.5 times that of aluminium wire or copper wire is heavier than aluminum.
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