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THHN Cable 600V UL83

In the vast world of electrical wiring, the demand for dependable, safe, and high-performance cables is paramount. Among the many types of wiring available, THHN cable stands out as a top choice for various applications, especially in industrial, commercial, and residential settings. At Huadong Cable Group, we pride ourselves on delivering premium THHN cables that meet stringent international standards, including the trusted UL83 certification.

What is THHN Cable?

THHN stands for Thermoplastic High Heat-resistant Nylon-coated wire. It is a popular building wire designed specifically for use in dry and wet locations, including conduit and cable trays. Known for its versatility, durability, and ease of installation, THHN cable is extensively used across many electrical wiring projects for power distribution and control.
THHN wires are often found in residential homes, commercial buildings, and industrial facilities due to their excellent characteristics that combine heat resistance, mechanical protection, and chemical resistance. The nylon coating serves to protect the conductor from abrasion and exposure to harsh environments, ensuring consistent performance over time.

THHN Cable Designation Breakdown

T	Thermoplastic
HH	High Heat Resistance
N	Nylon Coating
Temperature Rating	90°C (Dry)

THHN Cable Construction

The Construction of THHN Cable

Conductor Material	High conductivity oxygen-free copper
Insulation Material	Thermoplastic (PVC) with nylon jacket
Voltage Rating	600 Volts
Temperature Rating	90°C (Dry locations)
Conductor Sizes	14 AWG to 500 kcmil
Sheath Color Options	Various colors for circuit identification
Flame Retardant	Yes (per UL 83 standard)
Certification	UL 83 Certified
Suitable Installation	Dry and damp locations, conduits, cable trays
Application	Residential, Commercial, Industrial wiring

The Specifications of THHN Cable

Name	Cross section	Nom. outer diam. thick	Perm current rating in air 30°C	Approx. weight
Name	[mm²]	[mm]	[A]	[kg/km]
14 AWG	2.08	2.89	35	23
12 AWG	3.31	3.36	40	35
10 AWG	5.26	4.21	55	56.88
8 AWG	8.37	5.53	80	92.88
6 AWG	13.3	6.47	105	140.64
4 AWG	21.15	8.23	140	223.35
2 AWG	33.63	9.72	190	344.94
1/0 AWG	53.51	12.03	260	540.17
2/0 AWG	67.44	13.12	300	669.1
3/0 AWG	85.03	14.35	350	836.57
4/0 AWG	107.22	15.74	405	1032.96
250 kcmil	126.68	17.86	455	1250.2
350 kcmil	177.35	20.46	570	1711.76
500 kcmil	253.35	23.73	700	2383.82

THHN Cable Features:

Rated voltage up to 600 volts, suitable for a broad range of electrical systems.
Heat resistance rated for continuous operation at 90°C (dry) and 75°C (wet).
Lightweight and flexible for ease of installation, especially in conduit applications.
Flame-retardant to meet various safety and building code requirements.
Corrosion and chemical resistant for long-term reliability.
Available in multiple sizes and color codings to meet diverse project needs.

thhn cable

THHN Cable Applications:

Residential Wiring: Power supply distribution inside homes, lighting circuits, and general electrical applications.
Commercial Buildings: Office complexes, retail stores, and institutional facilities use THHN for wiring circuits and power distribution systems.
Industrial Use: Suitable for manufacturing plants, warehouses, and heavy machinery setups requiring robust and heat-resistant wiring.
Control Systems: Ideal for control circuits in automation and industrial process control.

Why Choose Huadong Cable Group for THHN Cables?

At Huadong Cable Group, we combine decades of industry experience with advanced manufacturing technologies to produce THHN cables that exceed expectations. Our advantages include:

Expertise: Our team comprises professionals dedicated to electrical cable engineering and quality assurance.
Certified Quality: UL83 certification ensures our products are tested and trusted worldwide.
Innovation: Continuous investments in R&D allow us to innovate excellence in cable design and performance.
Customer-Focused Solutions: Tailored solutions, prompt delivery, and after-sales support position us as a leader in the cable sector.