1) Low resistivity: The electrical resistance of the enameled copper cable
is about 1.68 times higher than that of the copper wire cable. click here for more details.
(2) Good ductility: the elongation rate of copper alloy is 20~40%, the
elongation rate of copper for electricians is above 30%, and the aluminum alloy
is only 18%.
(3) High strength: Allowable stress at normal temperature, copper is 7~28%
higher than aluminum. Especially the stress at high temperature, the difference
between the two is far.
(4) Anti-fatigue: aluminum is easily bent and broken, and copper is not
easy. In terms of elasticity, copper is also about 1.7 to 1.8 times higher than
(5) Good stability, corrosion resistance: copper wire is resistant to
oxidation and corrosion, and aluminum wire is susceptible to oxidation and
(6) Large current carrying capacity: Due to the low resistivity, the
enameled copper wire cable of the same section is 30%-50% higher than the
allowable current capacity (the maximum current that can be passed) of the
aluminum wire cable, especially the household appliances are more and more The
home is basically made of copper wire.
(7) Low voltage loss: Since the resistivity of the copper wire cable is low,
the same current flows in the same section. The copper cable has a small
voltage drop. Therefore, the same transmission distance can guarantee higher
voltage quality; or, under the allowable voltage drop condition, the copper
cable power transmission reaches a long distance, that is, the power supply
coverage area is large, which is conducive to network planning and reduction.
The number of power points set.
(8) Low heat generation: Under the same current, the copper wire of the same
section has a much smaller heat generation than the aluminum wire cable, making
the operation safer.
(9) Low electrical loss: Since the resistivity of copper is low, the power
loss of the copper cable is low compared to the aluminum cable, which is
obvious. This is conducive to improving power generation efficiency and
protecting the environment.
(10) Anti-oxidation and corrosion resistance: The connector of the Enameled Copper Wire cable has stable performance
and will not cause accidents due to oxidation. When the joint of the aluminum
wire cable is unstable, the contact resistance is increased due to oxidation,
and an accident occurs due to heat generation. Therefore, the accident rate is
much larger than that of copper wire. Especially in the place where some copper
wires and aluminum wires are docked, there is a problem when the connection
time is not long. Therefore, the copper wire and the aluminum wire must be
connected in strict accordance with the requirements.
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