Need to see Electrical Conductors in a Quick and Easy Table?
Just Select the Conduit type and the Wire Insulation to Get A Quick Table of conductor
properties.

Conduit Type:
EMT
(RNC) PVC 40
(RNC) PVC 80
(RMC) Rigid GRC
IMC
ENT
Flex
LFMC
(RNC) Type DB-60
(RNC) Type EB-20
Insulation Type:
THHN/THWN/THWN-2
XHHW/XHHW-2/XHH
THHW/THW
RHW/RHW-2/RHH

Size
Copper
Aluminum
Diameter
Wires in Conduit
60°C
75°C
90°C
60°C
75°C
90°C
1/2"
3/4"
1"
1 1/4"
1 1/2"
2"
2 1/2"
3"
3 1/2"
4"
#14
20 A
20 A
25 A
0.11 in
12
22
35
61
84
138
242
365
477
609
#12
25 A
25 A
30 A
20 A
20 A
25 A
0.13 in
9
16
25
45
61
101
176
266
347
444
#10
30 A
35 A
40 A
25 A
30 A
35 A
0.16 in
5
10
16
28
38
63
110
167
218
279
#8
40 A
50 A
55 A
30 A
40 A
45 A
0.22 in
3
5
9
16
22
36
63
96
126
161
#6
55 A
65 A
75 A
40 A
50 A
60 A
0.25 in
1
4
6
11
16
26
46
69
91
116
#4
70 A
85 A
95 A
55 A
65 A
75 A
0.32 in
1
2
4
7
9
16
28
42
56
71
#3
85 A
100 A
110 A
65 A
75 A
85 A
0.35 in
1
1
3
6
8
13
24
36
47
60
#2
95 A
115 A
130 A
75 A
90 A
100 A
0.38 in
1
1
2
5
7
11
20
30
39
50
#1
110 A
130 A
150 A
85 A
100 A
115 A
0.45 in
1
1
1
3
5
8
14
22
29
37
#1/0
125 A
150 A
170 A
100 A
120 A
135 A
0.49 in
0
1
1
3
4
7
12
19
24
31
#2/0
145 A
175 A
195 A
115 A
135 A
150 A
0.53 in
0
1
1
2
3
6
10
15
20
26
#3/0
165 A
200 A
225 A
130 A
155 A
175 A
0.58 in
0
1
1
1
3
5
8
13
17
22
#4/0
195 A
230 A
260 A
150 A
180 A
205 A
0.64 in
0
0
1
1
1
4
7
10
14
18
#250
215 A
255 A
290 A
170 A
205 A
230 A
0.71 in
0
0
1
1
1
3
5
8
11
14
#300
240 A
285 A
320 A
190 A
230 A
255 A
0.77 in
0
0
0
1
1
2
5
7
10
12
#350
260 A
310 A
350 A
210 A
250 A
280 A
0.82 in
0
0
0
1
1
1
4
6
8
11
#400
280 A
335 A
380 A
225 A
270 A
305 A
0.86 in
0
0
0
1
1
1
3
6
7
10
#500
320 A
380 A
430 A
260 A
310 A
350 A
0.95 in
0
0
0
1
1
1
3
5
6
8
#600
355 A
420 A
475 A
285 A
340 A
385 A
1.05 in
0
0
0
0
1
1
2
4
5
6
#700
385 A
460 A
520 A
310 A
375 A
420 A
1.12 in
0
0
0
0
1
1
1
3
4
5
#750
400 A
475 A
535 A
320 A
385 A
435 A
1.16 in
0
0
0
0
1
1
1
3
4
5
#800
410 A
490 A
555 A
330 A
395 A
450 A
1.19 in
0
0
0
0
0
1
1
3
4
5
#900
435 A
520 A
585 A
355 A
425 A
480 A
1.25 in
0
0
0
0
0
1
1
2
3
4
#1000
455 A
545 A
615 A
375 A
445 A
500 A
1.31 in
0
0
0
0
0
1
1
2
3
4