Metric
Conversion
Electrical Formulas
Conduit Weight
Maximum # of Conductors in Conduit
600 Volt Building Wire Weights & Ampacities
Ampacities of Insulated Conductors
Copper to Aluminum
Receptacle Configuration
600 Volt Multi-Purpose THHN/THWN Building Wire
|
Size
AWG |
Conductor
Strands |
Vinyl
Insulation |
Nylon
Jacket |
O.D.
(Inch) |
Weight
(Lbs./M) |
Capacity
(Amps) |
|
18
16 |
16
26 |
.015
.015 |
.004
.004 |
.09
.10 |
8
12 |
7
10 |
|
14
12 10 8 |
19
19 19 19 |
.015
.015 .020 .030 |
.004
.004 .004 .005 |
.11
.13 .17 .22 |
16
24 39 64 |
15
20 30 50 |
|
6
4 3 2 |
19
19 19 19 |
.030
.040 .040 .040 |
.005
.006 .006 .006 |
.26
.33 .36 .39 |
96
154 191 236 |
70
90 105 120 |
|
1
0 00 000 0000 |
37
37 37 37 37 |
.050
.050 .050 .050 .050 |
.007
.007 .007 .007 .007 |
.45
.50 .54 .59 .66 |
302
375 465 578 719 |
140
155 185 210 235 |
|
250
300 350 400 500 |
61
61 61 61 61 |
.060
.060 .060 .060 .060 |
.008
.008 .008 .008 .008 |
.72
.77 .83 .87 .96 |
858
1021 1182 1350 1662 |
270
300 325 360 405 |
Ampacity
Correction Factors
|
Ambient
Temp. ºC |
For
ambient temperatures other than 30ºC (86ºF), multiply
the ampacities shown above by the appropriate factor shown below.
|
Ambient
Temp. ºF |
|
21-25
26-30 31-35 36-40 41-45 46-50 51-55 56-60 61-70 |
1.08
1.00 .91 .82 .71 .58 .41 ---- ---- |
1.05
1.00 .94 .88 .82 .75 .67 .58 .33 |
1.04
1.00 .96 .91 .87 .82 .76 .71 .58 |
1.08
1.00 .91 .82 .71 .58 .41 ---- ---- |
1.05
1.00 .94 .88 .82 .75 .67 .58 .33 |
1.04
1.00 .96 .91 .87 .82 .76 .71 .58 |
70-77
79-86 88-95 97-104 106-113 115-122 124-131 133-140 142-158 |