THHN Cable for Industrial
GERITEL
Nov 07,2025
THHN wires, besides their common use in construction, are also frequently used in industrial electrical systems. Featuring a thermoplastic insulation layer and a nylon outer sheath, they can withstand high temperatures, high abrasion, and chemically corrosive environments. Their rated temperature typically reaches 90°C (dry environment), and they possess excellent electrical insulation properties and mechanical strength.
- Internal wiring in automated control systems: THHN wire is used for wiring in switchboards, control cabinets, motor control centers (MCCs), and internal wiring of automated systems in industrial equipment.
- Internal wiring in machine tools and equipment: THHN cable's heat and oil resistance makes it suitable for internal connections in machine tools, motors, pumps, and compressors.
- Building and factory wiring: THHN is commonly used for wiring in steel conduits or PVC conduits, suitable for factories, warehouses, and manufacturing workshops.
- Energy and lighting systems: THHN electrical wire is suitable for high-load lighting circuits, power busbar connections, and backup power systems.

THHN wire plays a vital role in modern industry due to its excellent high-temperature resistance, wear resistance, chemical corrosion resistance, and good electrical insulation properties. THHN meets the stringent requirements of industrial power distribution, control systems, and internal wiring in mechanical equipment.
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