APPLICATION
THHN or THWN-2 conductors are primarily used in conduit and cable trays for services, feeders, and branch circuits in commercial or industrial applications as specified in the National Electrical Code. Voltage for all applications is 600 volts.
When used as type THHN, conductor is suitable for use in dry locations at temperatures not to exceed 90°C.
When used as type THWN, conductor is suitable for use at temperatures not to exceed 90°C, dry locations or 75°C wet locations or not to exceed 75°C when exposed to oil or coolant.
When used as type THWN-2, conductor is suitable for use in wet and dry locations at temperatures not to exceed 90°C or not to exceed 75°C when exposed to oil or coolant.
Conductor temperatures not to exceed 105°C in dry locations when rated AWM and used as appliance wiring material. Voltage rating for all applications is 600 volts.

STANDARDS & REFERENCES
THHN or THWN-2 comply with:
ASTM – B3, B8 (7,19, 37, 61 Strands), B 787 (19 Wire Combination Unilay Strand)
Technical Compliances
– UL 83 – Thermoplastic-Insulated Wires and Cables
– CSA C22.2 No. 75-03
– UL 1063 (MTW) – Machine-Tool Wires and Cables (stranded cables only)
– UL 758 (AWM)
– ICEA S-95-658/NEMA WC 70

CONSTRUCTION
THHN or THWN-2 or MTW copper conductors are soft annealed copper. #14 – 4/0 AWG uses a
combination unilay strand and 250 kcmil and larger uses a compressed copper strand. The wire is insulated with a tough heat and moisture resistant poly vinyl chloride (PVC), over which a nylon (polyamide) or UL Recognized equal jacket is applied. Available in black, white, red, blue, purple, green, yellow, orange, brown and gray. Some
colors are subject to economic order quantity.Marked sunlight resistant in sizes 2 AWG and larger.
THWN-2 available in sizes 8 AWG and larger .
 

COMPANY INFORMATION
Hebei Huatong Wires and Cables Group Co., Ltd.It was established in 1993.
Hebei Huatong Wires and Cables Group Co., Ltd covers an area more than 220,000 square meters, owning more than 420 sets manufacturing equipment and more than 250 sets of testing equipment or apparatus. Our annual production capacity is 3 billionYuan.Now there are more than 1000 employers in our company, among which more than 150 are technicians.

Our products are widely used in the field of electric power, coal, metallurgy, petrochemical industry, railway, national defense, construction, aviation and other national key projects.
We are top cable manufacture of rubber serious cables . Besides these,our submersible oil pump cable and shipboard cable are very influential in domestic, and, the traditional cables are also produced such as PVC power cables, XLPE power cables, ABC cables, wires, control cables, screened cables,communication cables, conductors.We are OEM for many USA, Europen, Australia cable company,70% of our products are exported, most customers are from developed countries. We got ISO,UL,TUV,KEMA,CE and many other certifications.

Certificates and"National Industrial Production License", "Certificate of Recommended Enterprises and Products for National Grid", "Adopting International Standard Certificate", and "High-Tech Enterprise Certificate", "Certificate of High Quality Products", "Certificate of Scientific and Technological Achievements", "Qualified Supplier Certificate", "China Classification Society Certificate of Works Approval", "Det Norske Veritas Type Approval Certificate", "Railway Product Certificate", "Safety Certificate of Approval for Mining Products", "National Mandatory Product Certification", "Certificate for China Compulsary Products Certification" and "Practical New-Type Patent Certificate".

Our Service
1.24years production experience and 15 years export experience .
2.Products certification :UL,CE,BV,TUV,KEMA,PSB,SABS,ABS,NK,LR,KR,GL etc
3.OEM service available based on official & legal authorization.
4.Strict quality control system.
5.Rapid delivery and feedback  Faster lead time than our competitors.
6.Excellent quality with reasonable price.
7. Strong technical support (technical data, drawing, etc.)
8.Professional teamwork service for you actively.
9.Stock available, Free sample is available.

FAQ
1).When can I get the price?
We usually quote within 6 hours after we get your inquiry. If you are very urgentto get the price, please call us or tell us in your e-mail so that we will regard your inquiry priority.
(2).How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality. Sample is free, but the freight charge should be paid.
(3).How long can I expect to get the sample?
After you pay the freight charge and send us confirmed files, the samples will be ready for delivery in 3-7 days. The samples will be sent to you via express and arrive in 3~5 days. You can use your own express  account or prepay us if you do not have an account.
(4).What about the lead time for mass production?
Honestly, it depends on the order quantity and the season you place the order.The best record we keep is delivering 10 kilometers cable within a week. Generally speaking, we suggest that you start inquiry two months before the date you would like to get the products at your country.