THWN or THHN

PVC Nylon, 600 Volts

 

1. SCOPE

 

1.1 This specification describes single conductor THWN or THHN, a general purpose building wire insulated

with polyvinyl chloride (PVC) and covered with a tough protective sheath of nylon intended for lighting and power

circuits at 600 Volts or less, in residential, commercial and industrial buildings. The wire may be operated at 90°C

maximum continuous temperature in dry locations and 75°C in wet locations and is listed by Underwriters Laboratories

for use in accordance with Article 310 of the National Electrical Code. The wire shall also be C(UL) listed as

Types T90 Nylon or TWN75, FT1 indicating suitability for use in accordance with the Canadian Code.

 

2. APPLICABLE STANDARDS

2.1 The following standards form a part of this specification to the extent specified herein:

2.1.1 Underwriters Laboratories Standard 83 for Thermoplastic Insulated Wires.

2.1.2 Underwriters Laboratories Standard 1063 for Machine-Tool Wires and Cables (Stranded items only) .

2.1.3 Underwriters Laboratories Standard 758 for 105°C Appliance Wiring Materials (Stranded items only).

2.1 .4 CSA Standard C22.2 No. 75 and Electrical Bulletin No. 1451 for Type T90 Nylon or TWN75.

2.1.5 Federal Specification J-C-30B.

 

3. CONDUCTORS

3.1 Conductors shall be solid , Class B or Class C stranded, annealed uncoated copper per UL Standards 83 or 1063.

 

4. INSULATION

4.1 Each conductor shall be insulated with PVC and sheathed with nylon complying with requirements of UL Standard

83 for Types THHN or THWN, UL Standard 1063 for Type MTW and CSA C22.2 No. 75 for T90 Nylon. In addition,

Types THWN or THHN shall comply with the optional Gasoline and Oil Resistant II rating of UL Standard 83. The

insulation on stranded sizes shall also comply with UL requ irements for 105°C Appliance Wiring Material.

4.2 The average thickness of PVC insulation, for a given conductor size, shall be as specified in UL Standard 83 for

Types THWN or THHN. The minimum thickness at any point, of the PVC insulation, shall be not less than 90% of

the specified average thickness. The minimum thickness at any point of the nylon sheath, shall be as specified in

UL Standard 83 for Types THWN or THHN. The PVC insulation shall be applied tightly to the conductor and shall

be free-stripping .

 

5. IDENTIFICATION

5.1 The wire shall be identified by surface marking indicating manufacturer's identification, conductor size and metal,

voltage rating, UL Symbol, type designations and optional ratings . The wire shall also be identified as C(UL) Type

T90 Nylon or TWN75, FT1 .

 

6. TESTS

6.1 Wire shall be tested in accordance with the requirements of UL Standard 83 for Types THWN or THHN wire and

for the optional Gasoline and Oil Resistant II listings; as Type MTW to UL Standard 1063 (stranded items); as

AWM to UL Standard 758 (stranded items); and as C(UL) Type T90 Nylon orTWN75.

 

7. LABELS

7.1 The wire shall bear the Underwriters Laboratories labels for Types THWN or THHN (solid conductors) and Type

MTW (stranded conductors) and the C(UL) label for Types T90 Nylon or TWN75, FT1 .

 

 

 

 OUR PRODUCT LINE:

 

 

 

As one of top rank cables manufacturers in China, henan guowang cable Co.,LTD  is mainly specialized in PVC Insulated Building Wire, PVC and XLPE Insulated Power Cable with Voltage up to 35kV, Rubber Cable and Welding Cables. And also it  is specialized in Aerial Bundled Cable(ABC Cable), Bare Overhead Power Transmission Line such as All Aluminum Conductor(AAC Conductor), All Aluminum Alloy Conductor(AAAC Conductor), Aluminum Conductor Steel Reinforced(ACSR Conductor), Aluminum Conductor Aluminum Clad Steel Reinforced (ACSR/AW), All Aluminum Alloy Steel Reinforced(AACSR), and Aluminum Conductor Aluminum Alloy Reinforced(ACAR).

 

1.Our Team

 Our team members are the strongest pillars of the group, whose diligent efforts have enabled us to become a reputed supplier.

* Technical consultant

* Designers

* Quality controllers

* Marketing and salesmen

* After sale service personnel

 

2.Quality Control

Being a qualityorientd organization, we strictly adhere to quality standards and achieve total excellence in our range of machinery. 

Our experienced quality controllers handcheck every machine using advanced testing facilities and ensure all the machines complies with the international quality standards

Our advanced technology and engineering excellence has enabled us to cater the needs of our esteemed clients. We have received consistent acceptance and appreciation for our highly durable machines.

 

3.Timely Delivery

We are well supported by a spacious storage of machines and ancillary equipment, ensuring ontime delivery of every order. Our ability to feed bulk orders within tight deadlines to any corner of the globe differentiates us from other competitors.

 

1. What kinds of products does Guowang Cable manufacture?

 1)Bare Conductor ,such as AAC,AAAC,ACSR,ACAR,AACSR,ACSR/AW and so on;

 2)Aerial Bundled Cable (1kV-35kV ),such as Duplex,Triplex,Quadruplex Drop Wires and so on;

 3)PVC Insulated (Flexible ) Wire ;

 4) PVC Insulated and Sheathed (Armoured) Power Cable;

 5)Low, Medium, High Voltage (1kV-220kV) XLPE Insulated (Armoured) Power Cable;

 6)Welding Cable, Control Cable, Concentric Cable, Rubber Sheathed Cable and so on;

 

2. What kind of certifications do you have?

 SABS, CE, ISO9001-2000, SGS ,BV Certificated from alibaba.

 

3.Which markets do you involve mainly in?

 Our products have been exported mainly to Africa, Middle East, South-east Asia, South America,Central America,North America, Europe,Australia, etc.

 

4. Which standards do you comply with when you produce the electrical wires and cables ?

 We are able to produce electrical wires and cables based on GB, JB,IEC, BS, DIN, ASTM, JIS, NF, AS/NZS, CSA, etc. Meanwhile, we can design and manufacture the cables according to the samples and technical specification the customer supply.

 

5. What is the min.order quantity ?

 It depends on the type and size of electrical wires and cables. For some small electrical wires, 100 meters can be accepted .But for the power cables with medium or high voltage, that should comply with the property of installed equipments. Anyhow,we will try our best to solve the problem and meet with the requirement If you have special request.

 

6. Do you supply the customers with installation service in foreign country ?

 We don't have professional installation teams in foreign country.But if that is necessary, we will recommend our partners to cooperate with you.

 

THWN or THHN

PVC Nylon, 600 Volts

 

1. SCOPE

 

1.1 This specification describes single conductor THWN or THHN, a general purpose building wire insulated

with polyvinyl chloride (PVC) and covered with a tough protective sheath of nylon intended for lighting and power

circuits at 600 Volts or less, in residential, commercial and industrial buildings. The wire may be operated at 90°C

maximum continuous temperature in dry locations and 75°C in wet locations and is listed by Underwriters Laboratories

for use in accordance with Article 310 of the National Electrical Code. The wire shall also be C(UL) listed as

Types T90 Nylon or TWN75, FT1 indicating suitability for use in accordance with the Canadian Code.

 

2. APPLICABLE STANDARDS

2.1 The following standards form a part of this specification to the extent specified herein:

2.1.1 Underwriters Laboratories Standard 83 for Thermoplastic Insulated Wires.

2.1.2 Underwriters Laboratories Standard 1063 for Machine-Tool Wires and Cables (Stranded items only) .

2.1.3 Underwriters Laboratories Standard 758 for 105°C Appliance Wiring Materials (Stranded items only).

2.1 .4 CSA Standard C22.2 No. 75 and Electrical Bulletin No. 1451 for Type T90 Nylon or TWN75.

2.1.5 Federal Specification J-C-30B.

 

3. CONDUCTORS

3.1 Conductors shall be solid , Class B or Class C stranded, annealed uncoated copper per UL Standards 83 or 1063.

 

4. INSULATION

4.1 Each conductor shall be insulated with PVC and sheathed with nylon complying with requirements of UL Standard

83 for Types THHN or THWN, UL Standard 1063 for Type MTW and CSA C22.2 No. 75 for T90 Nylon. In addition,

Types THWN or THHN shall comply with the optional Gasoline and Oil Resistant II rating of UL Standard 83. The

insulation on stranded sizes shall also comply with UL requ irements for 105°C Appliance Wiring Material.

4.2 The average thickness of PVC insulation, for a given conductor size, shall be as specified in UL Standard 83 for

Types THWN or THHN. The minimum thickness at any point, of the PVC insulation, shall be not less than 90% of

the specified average thickness. The minimum thickness at any point of the nylon sheath, shall be as specified in

UL Standard 83 for Types THWN or THHN. The PVC insulation shall be applied tightly to the conductor and shall

be free-stripping .

 

5. IDENTIFICATION

5.1 The wire shall be identified by surface marking indicating manufacturer's identification, conductor size and metal,

voltage rating, UL Symbol, type designations and optional ratings . The wire shall also be identified as C(UL) Type

T90 Nylon or TWN75, FT1 .

 

6. TESTS

6.1 Wire shall be tested in accordance with the requirements of UL Standard 83 for Types THWN or THHN wire and

for the optional Gasoline and Oil Resistant II listings; as Type MTW to UL Standard 1063 (stranded items); as

AWM to UL Standard 758 (stranded items); and as C(UL) Type T90 Nylon orTWN75.

 

7. LABELS

7.1 The wire shall bear the Underwriters Laboratories labels for Types THWN or THHN (solid conductors) and Type

MTW (stranded conductors) and the C(UL) label for Types T90 Nylon or TWN75, FT1 .

 

 

 

 OUR PRODUCT LINE:

 

 

 

As one of top rank cables manufacturers in China, henan guowang cable Co.,LTD  is mainly specialized in PVC Insulated Building Wire, PVC and XLPE Insulated Power Cable with Voltage up to 35kV, Rubber Cable and Welding Cables. And also it  is specialized in Aerial Bundled Cable(ABC Cable), Bare Overhead Power Transmission Line such as All Aluminum Conductor(AAC Conductor), All Aluminum Alloy Conductor(AAAC Conductor), Aluminum Conductor Steel Reinforced(ACSR Conductor), Aluminum Conductor Aluminum Clad Steel Reinforced (ACSR/AW), All Aluminum Alloy Steel Reinforced(AACSR), and Aluminum Conductor Aluminum Alloy Reinforced(ACAR).

 

1.Our Team

 Our team members are the strongest pillars of the group, whose diligent efforts have enabled us to become a reputed supplier.

* Technical consultant

* Designers

* Quality controllers

* Marketing and salesmen

* After sale service personnel

 

2.Quality Control

Being a qualityorientd organization, we strictly adhere to quality standards and achieve total excellence in our range of machinery. 

Our experienced quality controllers handcheck every machine using advanced testing facilities and ensure all the machines complies with the international quality standards

Our advanced technology and engineering excellence has enabled us to cater the needs of our esteemed clients. We have received consistent acceptance and appreciation for our highly durable machines.

 

3.Timely Delivery

We are well supported by a spacious storage of machines and ancillary equipment, ensuring ontime delivery of every order. Our ability to feed bulk orders within tight deadlines to any corner of the globe differentiates us from other competitors.

 

1. What kinds of products does Guowang Cable manufacture?

 1)Bare Conductor ,such as AAC,AAAC,ACSR,ACAR,AACSR,ACSR/AW and so on;

 2)Aerial Bundled Cable (1kV-35kV ),such as Duplex,Triplex,Quadruplex Drop Wires and so on;

 3)PVC Insulated (Flexible ) Wire ;

 4) PVC Insulated and Sheathed (Armoured) Power Cable;

 5)Low, Medium, High Voltage (1kV-220kV) XLPE Insulated (Armoured) Power Cable;

 6)Welding Cable, Control Cable, Concentric Cable, Rubber Sheathed Cable and so on;

 

2. What kind of certifications do you have?

 SABS, CE, ISO9001-2000, SGS ,BV Certificated from alibaba.

 

3.Which markets do you involve mainly in?

 Our products have been exported mainly to Africa, Middle East, South-east Asia, South America,Central America,North America, Europe,Australia, etc.

 

4. Which standards do you comply with when you produce the electrical wires and cables ?

 We are able to produce electrical wires and cables based on GB, JB,IEC, BS, DIN, ASTM, JIS, NF, AS/NZS, CSA, etc. Meanwhile, we can design and manufacture the cables according to the samples and technical specification the customer supply.

 

5. What is the min.order quantity ?

 It depends on the type and size of electrical wires and cables. For some small electrical wires, 100 meters can be accepted .But for the power cables with medium or high voltage, that should comply with the property of installed equipments. Anyhow,we will try our best to solve the problem and meet with the requirement If you have special request.

 

6. Do you supply the customers with installation service in foreign country ?

 We don't have professional installation teams in foreign country.But if that is necessary, we will recommend our partners to cooperate with you.