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Aluminum THHN

Aluminum THHN, THWN, T90 Nylon, TWN75 (cUL)

Type THHN/THWN-2 is suitable for general wiring applications as defined by the NEC (National Electrical Code) for 600V applications. THHN/THWN-2 is available in sizes ranging from #6 to 1000MCM. The conductors are made with 8000 series aluminum alloy and insulated with tough, heat and moisture resistant PVC (polyvinyl chloride), over which a nylon (polymide) jacket is applied. All sizes are made with a friction reducing compound to aid in the installation process.

Standards & Specifications

  • 600V Rated
  • UL 83, 1063, 758
  • Sunlight Resistant
  • VW-1 Rated
  • Cable Tray Use 1/0 & Larger
  • NEMA Publication No. WC70
  • Gasoline & Oil Resistant II
  • c(UL) On All Sizes
  • ARRA 2009 Section 1605 “Buy American” Compliant
  • Available in low and high voltage colors
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Wire Size & Specs

Conductor
Size (AWG) Stranding PVC Insulation Nylon Jacket Nom. OD (Inches) Ampacity* 90° C Approx Net WT./MFT Standard Packaging
Options (ft)
Color Options
Conductor
Size (AWG)
6
Stranding
7
PVC Insulation
30
Nylon Jacket
5
Nom. OD (Inches)
0.240
Ampacity* 90° C
55
Approx Net WT./MFT
37
Standard Packaging Options (ft)
500' 1000' 2500' 5000' Reels
Color Options
Conductor
Size (AWG)
4
Stranding
7
PVC Insulation
40
Nylon Jacket
6
Nom. OD (Inches)
0.307
Ampacity* 90° C
75
Approx Net WT./MFT
60
Standard Packaging Options (ft)
500' 1000' 2500' 5000' Reels
Color Options
Conductor
Size (AWG)
2
Stranding
7
PVC Insulation
40
Nylon Jacket
6
Nom. OD (Inches)
0.361
Ampacity* 90° C
100
Approx Net WT./MFT
89
Standard Packaging Options (ft)
500' 1000' 2500' 5000' Reels
Color Options
Conductor
Size (AWG)
1
Stranding
19
PVC Insulation
50
Nylon Jacket
7
Nom. OD (Inches)
0.415
Ampacity* 90° C
115
Approx Net WT./MFT
116
Standard Packaging Options (ft)
500' 1000' 2500' 5000' Reels
Color Options
Conductor
Size (AWG)
1/0
Stranding
19
PVC Insulation
50
Nylon Jacket
7
Nom. OD (Inches)
0.452
Ampacity* 90° C
135
Approx Net WT./MFT
140
Standard Packaging Options (ft)
500' 1000' 2500' 5000' Reels
Color Options
Conductor
Size (AWG)
2/0
Stranding
19
PVC Insulation
50
Nylon Jacket
7
Nom. OD (Inches)
0.491
Ampacity* 90° C
150
Approx Net WT./MFT
170
Standard Packaging Options (ft)
500' 1000' 2500' 5000' Reels
Color Options
Conductor
Size (AWG)
3/0
Stranding
19
PVC Insulation
50
Nylon Jacket
7
Nom. OD (Inches)
0.538
Ampacity* 90° C
175
Approx Net WT./MFT
207
Standard Packaging Options (ft)
500' 1000' 2500' 5000' Reels
Color Options
Conductor
Size (AWG)
4/0
Stranding
19
PVC Insulation
50
Nylon Jacket
7
Nom. OD (Inches)
0.590
Ampacity* 90° C
205
Approx Net WT./MFT
255
Standard Packaging Options (ft)
500' 1000' 2500' 5000' Reels
Color Options
Conductor
Size (AWG)
250
Stranding
36
PVC Insulation
60
Nylon Jacket
8
Nom. OD (Inches)
0.658
Ampacity* 90° C
230
Approx Net WT./MFT
308
Standard Packaging Options (ft)
500' 1000' 2500' 5000' Reels
Color Options
Conductor
Size (AWG)
300
Stranding
36
PVC Insulation
60
Nylon Jacket
8
Nom. OD (Inches)
0.707
Ampacity* 90° C
260
Approx Net WT./MFT
361
Standard Packaging Options (ft)
500' 1000' 2500' 5000' Reels
Color Options
Conductor
Size (AWG)
350
Stranding
36
PVC Insulation
60
Nylon Jacket
8
Nom. OD (Inches)
0.754
Ampacity* 90° C
280
Approx Net WT./MFT
413
Standard Packaging Options (ft)
500' 1000' 2500' 5000' Reels
Color Options
Conductor
Size (AWG)
400
Stranding
36
PVC Insulation
60
Nylon Jacket
8
Nom. OD (Inches)
0.797
Ampacity* 90° C
305
Approx Net WT./MFT
465
Standard Packaging Options (ft)
500' 1000' 2500' 5000' Reels
Color Options
Conductor
Size (AWG)
500
Stranding
36
PVC Insulation
60
Nylon Jacket
8
Nom. OD (Inches)
0.873
Ampacity* 90° C
350
Approx Net WT./MFT
570
Standard Packaging Options (ft)
500' 1000' 2500' 5000' Reels
Color Options
Conductor
Size (AWG)
600
Stranding
58
PVC Insulation
70
Nylon Jacket
9
Nom. OD (Inches)
0.973
Ampacity* 90° C
385
Approx Net WT./MFT
693
Standard Packaging Options (ft)
500' 1000' Reels
Color Options
Conductor
Size (AWG)
700
Stranding
58
PVC Insulation
70
Nylon Jacket
9
Nom. OD (Inches)
1.038
Ampacity* 90° C
425
Approx Net WT./MFT
797
Standard Packaging Options (ft)
N/A
Color Options
Conductor
Size (AWG)
750
Stranding
58
PVC Insulation
70
Nylon Jacket
9
Nom. OD (Inches)
1.068
Ampacity* 90° C
435
Approx Net WT./MFT
847
Standard Packaging Options (ft)
500' 1000' 2500' Reels
Color Options
Conductor
Size (AWG)
900
Stranding
58
PVC Insulation
70
Nylon Jacket
9
Nom. OD (Inches)
1.161
Ampacity* 90° C
480
Approx Net WT./MFT
1002
Standard Packaging Options (ft)
N/A
Color Options
Conductor
Size (AWG)
1000
Stranding
58
PVC Insulation
70
Nylon Jacket
9
Nom. OD (Inches)
1.223
Ampacity* 90° C
500
Approx Net WT./MFT
1114
Standard Packaging Options (ft)
N/A
Color Options
*Allowable ampacity shown above is per National Electrical Code. The above data is approximate and subject to normal manufacturing tolerances.

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