导体
dǎotǐ
The inner metal wire (usually copper or aluminum) that carries the electric current.
Conductor
绝缘层 / 绝缘
juéyuán céng
The non-conductive layer wrapped around conductors to prevent short circuits.
Insulation layer
线芯
xiàn xīn
Refers to the combination of an individual conductor and its insulation.
Cable Core
屏蔽层
píngbì céng
A metallic layer used to block electromagnetic interference (EMI).
Shielding
编织屏蔽
biānzhī píngbì
A shield made of woven metal wires, offering flexibility and strength.
Braided Shield
铝箔屏蔽
lǚbó píngbì
A thin layer of aluminum foil providing 100% high-frequency EMI coverage.
Foil Shield
地线 / 排流线
dìxiàn / páiliú xiàn
An uninsulated wire in contact with the shield used to ground electrical noise.
Drain Wire
护套 / 外护套
hùtào / wài hùtào
The outermost layer protecting the cable from moisture, chemicals, and wear.
Jacket/Sheath
铠装
kǎizhuāng
A heavy-duty steel protective layer beneath the jacket for high-stress areas.
Armor
电力电缆
diànlì diànlǎn
Cable designed to transmit electrical energy / high current.
Power Cable
相
xiàng
Refers to the electrical phases (e.g., 三相电缆 = Three-phase cable).
Phase
火线
huǒxiàn
The wire that carries the current from the source to the load.
Live wire
零线
língxiàn
The wire that completes the electrical circuit back to the source.
Neutral Wire
地线
dìxiàn
A safety wire that provides a safe path for fault currents into the earth.
Ground Wire
载流量
zài liúliàng
The maximum amount of electric current a conductor can carry continuously.
Ampacity
阻燃
zǔrán
Material designed to resist catching fire or slow down its spread.
Flame Retardant
低烟无卤
dī yān wú lǔ
Safety jacket material (LSZH) that emits limited smoke and no toxic halogens.
Low Smoke, Zero Halogen
信号电缆
xìnhào diànlǎn
Cable designed to transmit low-voltage data, audio, or video.
Signal Cable
控制电缆
kòngzhì diànlǎn
Cable used to send automated operating commands to machinery.
Control Cable
同轴电缆
tóngzhóu diànlǎn
A cable with a central conductor and concentric shield, used for RF signals.
Coaxial Cable
双绞线
shuāngjiǎoxiàn
Two insulated wires twisted together to cancel out electromagnetic noise.
Twisted Pair
屏蔽双绞线
píngbì shuāngjiǎoxiàn
Twisted pair wiring surrounded by a shield (STP) for high-noise environments.
Shielded Twisted Pair
非屏蔽双绞线
fēi píngbì shuāngjiǎoxiàn
Standard network cable wiring (UTP) without an extra metallic shield.
Unshielded Twisted Pair
衰减
shuāijiǎn
The gradual loss of signal strength or amplitude over a distance.
Attenuation
串扰
chuànrǎo
Unwanted signal leakage or interference between neighboring wire pairs.
Crosstalk
单芯电缆
dān xīn diànlǎn
A cable containing only one isolated conductor core.
Single Core Cable
多芯电缆
duō xīn diànlǎn
A cable bundle containing multiple isolated conductor cores.
Multicore Cable
额定电压
édìng diànyā
The maximum voltage a cable is safely designed to operate under.
Rated Voltage
截面积
jié miànjī
The thickness of the conductor, usually measured in mm2 in China.
Crosssectional Area
Last changed7 days ago