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Wire Insulation: The "Invisible Guardian" of Electrical Current

Inside any electronic device's wiring, you will find metal conductors coated with a colored or transparent "jacket"—this is the wire insulation. Though seemingly thin, it fulfills three core missions: Prevents Leakage & Ensures Safety: Isolates the conductor from the external environment to prevent current leakage that could cause electric shock or equipment short circuits. Its dielectric strength directly determines its breakdown resistance (typically requiring values above 10 kV/mm). Resists Interference & Ensures Precision: Reduces signal crosstalk between different wires, especially crucial in high-speed data transmission scenarios where premium insulation minimizes signal loss. Withstands Environment & Extends Lifespan: Protects against external threats like high/low temperatures, chemical corrosion, friction, and vibration, serving as the "first line of defense" for wires in complex environments.

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