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Quick Details

  • Place of Origin: Henan, China (Mainland)
  • Brand Name: Leshan Jinlong
  • Model Number: THHN
  • Insulation Material: PVC
  • Type: Low Voltage
  • Application: Building & Electrical Wiring
  • Conductor Material: Copper
  • Jacket: Nylon
  • Features: Heat, Moisture, Gas, Oil Resistant
  • Nominal Section Area: AWG 14~4/0, MCM 250~1000
  • Strands: 1, 19, 37, 61
  • Rated Voltage: 600V
  • Work Temperature: Oil/Wet 75°C, Dry 90°C
  • Colors: Black, Brown, Red, etc.
  • Certifications: ISO9(14)001, OHSAS18001
  • Manufacturing Experience: Over 20 Years
  • Quality Control: Excellent
  • After-Sale Service: Excellent

Packaging & Delivery

Packaging Details Plastic Film Packing: 100m in rolls; Woven Sack Packing; in Reels or Treated Wooden Drums, etc.
Delivery Time Within 2~6 Weeks Normally

More Cables

Electrical Wires and Cables

H07RN-F Rubber Cables

PVC / XLPE Power Cables

ABC Cables


1. Topmost Quality

2. Modest Prices
3. Attentive Service

4. Over 20 Years Professional Experience

5. Technology and Quality Oriented

6. Customer and Service Oriented

7. Good Reputation Both Home and Abroad


Product Description

THHN Electrical Wire

We manufacture THHN / THWN wires for electrical wiring. And a variety of international standards are available. We provide a high standard of quality control and manufacturing with our main markets all over the world. Please feel free to send us inquiries for latest prices. We will respond to you immediately!

THHN Cables: Thermoplastic High Heat Nylon Coated Cables

1. Features: Heat, Moisture, Gasoline, Oil Resistant

2. Conductor: Soft Drawn Bare Copper Conductor

3. Conductor Type: Solid or Stranded

4. Conductor Counts (Core): 1

5. Nominal Sectional Area (AWG / MCM):  14, 12, 10, 8, 6, 4, 2, 1, 1/0, 2/0, 3/0, 4/0, 250, 300, 350, 400, 500, 600, 750, 1000

  (Other areas are also available on request. e.g. 2.5, 4, 6, 10mm2, etc.)

6. Insulation: PVC (Polyvinyl Chloride)

7. Jacket: Nylon

8. Rated Voltage: 600V

9. Standard: UL83, etc.

THHN / THWN Cables


10. Maximum Conductor Temperature: Oil 75°C, Wet 75°C, Dry 90°C

11. Colors: Black, Brown, Red, Orange, Yellow, Green, Blue, Violet, Gray, White, Pink, Tan, etc.

12. Applications: THHN is meant for use as general purpose wiring for installation in conduit or other recognized raceway.

      THHN may also be used for machine tool, appliance and control circuit wiring.

      THWN is for wet applications.

For more details please see technical data below.

Technical Data
        Size          Stranding  PVC Insulation Thick   Nylon Thick   Outside Diameter Weight Appr. Ampacity (Amps)



Packaging & Shipping

Plastic Film Packing: 100m in rolls; Woven Sack Packing; in Reels or Treated Wooden Drums, etc. 

Our Services

We provide a high standard of quality control and manufacturing. Our products are well guaranteed during their service life. We offer operation instructions to our customers. Replacements will be offered for free if in the unlikely event that any of them failed. Our goal is to provide top-notch products and back them up with superior customer service. If any questions during use please send us a message and we will be very glad to respond promptly!


Company Information

We are a specialized manufacturer of kinds of electrical wires and cables for over 20 years, including THHN / THWN wires, electrical wires and cables, H07RN-F rubber cables, armored and non-armored PVC / XLPE power cables, ABC cables, AAC, AAAC and ACSR overhead conductors, control cables, etc.

We have obtained qualifications of ISO 9001:2008 Quality Management System, ISO 14001 Environmental Management System and OHSAS 18001 Occupational Health and Safety Management System. As a modern manufacturing enterprise, we have built an apprehensive quality control system. That involves the whole process from raw materials purchasing, raw materials inspection, raw materials processing, product manufacturing, quality inspection, packing, transportation and after-sale service. We are technology and quality oriented, customer and service oriented. Our products have found their place in domestic markets and been widely exported to main markets all over the world! We have earned a good reputation home and abroad over the past years with our good quality and attentive service. Welcome your visit to our factory at your earliest convenience! Please click for larger images:


Copper Wire Drawing Machine

Aluminum Wire Drawing Machine

Stranding Machine

Triple Layers Co-Extrusion Machine

Padding Machine

Armoring Machine

Insulation, Rewinding and Curving Line

Laying Up Line

Laying Up Workshop

Metal Tension Test

Winding and Twisting Test

Galvanized Layer Test

Insulation Layer Test

Electrical Cable Withstand Voltage Test

Power Cable Withstand Voltage Test

Customers from Africa

Customers from Australia

Customer from Singapore



ISO 9001:2008

ISO 14001:2004

OHSAS 18001:1999

CCC for Electrical Wires

IEC 61089 for AAC ACSR

IEC 60227 for Electrical Wires

IEC 60502 for Power Cables

CCC IEC for Electrical Wires

GB/T 19001-2008 / ISO9001:2008

GB/T 24001-2004 / ISO14001:2004

GB/T 28001-2001 / OHSAS 18001:1999

Famous Brand

Advanced Enterprise



Do you offer other cables?

Yes. We offer other cables. For example:

1. AAC (All Aluminum Conductor), AAAC (All Aluminum Alloy Conductor), ACSR (Aluminum Conductor Steel Reinforced)

Please click their pictures below respectively for more details, for example, BS, ASTM, IEC, DIN, AS, JIS, NFC, SPLN Standards.

AAC Conductor

AAAC Conductor

ACSR Conductor


2. Control Cables

For more details please click the following picture.

Control Cable - PVC

Control Cable - Copper Wire Braided

Control Cable - Tinned - Twist Paired


We are bound to be your most reliable supplier. Please feel free to send us inquiries for latest prices. We will respond to you immediately!

Transaction History of the Supplier

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Transaction Overview


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China (Mainland) | Manufacturer, Trading Company
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