PEC (Allowable Ampacities of Insulated Conductors Rated 0 Through 2000
Volts, 75°C Through 90°C, Not More Than Three Current-Carrying
Condutors in Raceway, Cable, or Earth (Directly Burried)
WIRE SIZE
(mm²)
2.0
3.5
5.5
8.0
14.0
22.0
30.0
38.0
50.0
60.0
80.0
100.0
125.0
150.0
175.0
200.0
250.0
325
(2-100.0)
375
(2-125.0)
400
(2-125.0)
500
(2-150.0)
PEC (Allowable Ampacities of Single-Insulated Conductors
Rated 0 Through 2000 Volts in Free-Air
75°C
THHW/THWN
(AMPS)
90°C
THHN/THWN-2
(AMPS)
75°C
OCPD
(AT)
75°C
GROUND WIRE
(mm²)
WIRE SIZE
(mm²)
20
25
35
50
65
85
110
125
145
160
195
220
255
280
305
330
375
25
30
40
55
70
90
115
130
150
170
205
225
265
295
345
355
400
15AT
20AT
30AT
435
470
400AT
470
530
450AT
485
515
475AT
540
580
500AT
2.0
3.5
5.5
5.5
5.5
8.0
8.0
14.0
14.0
22.0
22.0
30.0
30.0
30.0
30.0
30.0
38.0
50
(2-30.0)
50
(2-30.0)
50
(2-30.0)
50
(2-30.0)
2.0
3.5
5.5
8.0
14.0
22.0
30.0
38.0
50.0
60.0
80.0
100.0
125.0
150.0
175.0
200.0
250.0
325
(2-100.0)
375
(2-125.0)
400
(2-125.0)
500
(2-150.0)
40AT,50AT
60AT
70AT,75AT,80AT
100AT
125AT
150AT
160AT
200AT
225AT
250AT
275AT
300AT
325AT
350AT
75°C
THHW/THWN
(AMPS)
90°C
THHN/THWN-2
(AMPS)
75°C
OCPD
(AT)
75°C
GROUND WIRE
(mm²)
30
35
50
65
95
130
160
185
220
250
300
355
400
440
495
540
620
35
40
55
75
105
140
170
195
235
260
320
370
420
475
560
570
655
20AT
30AT
720
770
700AT
775
875
800AT
810
875
800AT
930
995
900AT
2.0
3.5
5.5
5.5
5.5
8.0
8.0
14.0
14.0
22.0
22.0
30.0
30.0
30.0
30.0
30.0
38.0
50
(2-30.0)
50
(2-30.0)
50
(2-30.0)
50
(2-30.0)
40AT,50AT
60AT
70AT,75AT,80AT
100AT,125AT
150AT,160AT
200AT
225AT
250AT,275AT
300AT
325AT,350AT
400AT
450AT
475AT,500AT
600AT
600AT