Detailed introduction:

1: THHN: It indicates a single or stranded conductor having flame-retardant and heat-resistant thermoplastic insulation with a jacket of extruded nylon or equivalent material. The wire is rated 90°C dry only. 

2: THWN:  It indicates a single or stranded conductor having flame-retardant, moisture and heat resistant thermoplastic insulation with a jacket of extruded nylon or equivalent material. The wire is rated 75°C wet or dry.

3: Conductor: Annealed solid or stranded copper wires (copper or CCA) 

4: Insulation: PVC 

5: Jacket: Nylon jacket is provided to protect PVC insulation against abrasions and scratches while pulling through conduits. It is also resistant to oil , gasoline and chemicals.

 

 

Nylon cable: THHN 4awg stranded copper conductor PVC insulation Nylon jacket

 

Applications:

THHN building wire 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.

 

Description Of Nylon Wire

 

Conductor: Bare Copper, Soft Drawn

Insulation: PVC

Jacket: NYLON

Standard Colors Black,Brown, Red, Orange, Yellow, Green , Blue , Violet , Gray , White , Pink , Tan; Striping and Other colors available upon request.

Gasoline & oil resistant – Type MTW 90°C Machine Tool Wire (stranded only) 105°C AWM, 80°C where exposed to oil.

 

THHN Wire Ratings:

 

THHN-THWN: 75°C Oil, 75°C Wet, 90°C Dry, 600V

THWN-2: 75°C Oil, 90°C Wet, 90°C Dry, 600V

MTW: 60°C Oil, 60°C Wet, 90°C Dry, 600V

AWM 1316 to 1321: 80°C Oil, – Wet, 105°C Dry, 600V

AWM 1408 to 1414: 60°C Oil, 60°C Wet, 90°C Dry, 600V

AWM 1452 to 1453: 80°C Oil, – Wet, 90°C Dry, 600V

T90 NYLON: 60°C Oil, – Wet, 90°C Dry, 1000V

TWN 75: – Oil, 75°C Wet, – Dry, 600V