NUAL ® Brand Ampacity Chart

NUAL® Brand Conductor Ampacities
Maximum Allowable Number of Conductors of One Size in Conduit
NUAL® Brand RW90 600V
75° C
AMPACITIES
MAXIMUM ALLOWABLE NUMBER OF CONDUCTORS IN CONDUIT†
90° C
AMPACITIES
AWG
or
KCMIL
Table 3
Table 4
Table 3
Table 4
8
55
40
60
6
75
50
85
4
100
65
2
135
90
1
155
1/0
2/0
NOMINAL DIAMETER OF CONDUIT
1/2“
3/4“
1“
1¼“
1½“
2“
2½“
3“
3½“
4“
(16mm)
(21mm)
(27mm)
(35mm)
(41mm)
(53mm)
(63mm)
(78mm)
(91mm)
(103mm)
45
2
5
8
14
19
32
46
72
96
124
55**
1
3
6
11
14
24
35
54
72
93
115
75
1
2
4
8
11
18
25
39
53
68
150
100
1
1
3
5
7
12
18
28
38
49
100
175
115
1
1
1
4
5
9
14
21
28
37
180
120
205
135
1
1
3
4
8
11
18
24
31
210
135
235
150
1
1
3
4
6
9
15
20
26
3/0
240
155
270
175
1
1
2
3
5
8
12
17
22
4/0
280
180
315
205
1
1
1
2
4
6
10
14
18
250
315
205
355
230
1
1
1
3
5
8
11
14
300
350
230
395
260
1
1
1
3
4
7
10
12
350
395
250
445
280
1
1
1
2
4
6
8
11
400
425
270
480
305
1
1
2
3
5
7
10
500
485
310
545
350
1
1
1
3
4
6
8
600
545
340
615
385
1
1
1
1
3
5
6
1
1
1
3
4
5
1
1
1
3
4
1
1
1
1
750
620
385
700
435
1000
750
445
845
500
1500
950
520
1070
585
**For 3-wire 120/240V and 120/208V service conductors forr single dwellings,
l
or for feeder conductors supplying single dwelling
units or apartment and similar buildings, and sized in accordance
nce w
with Rules 8-200(1), 8-200(2), and 8-202(1), the allowable ampacity
for 6 AWG shall be 60A. In this case, the 5% adjustment of Rule 8-106(1) cannot be applied.
†Conduit fill calculated based on actual conductor sizes in accordance with Canadian Electrical Code Part 1 - Rule 12-1014; Table 3
ampacities are for Free Air Installations and Table 4 ampacities are for up to 3 conductors in conduit or cable, not including neutral
conductor for above ground installations.
156 Parkshore Drive, Brampton, Ontario, Canada, L6T 5M1
GENERAL CABLE and NUAL BRAND are trademarks of General Cable Technologies Corporation.
©2014. General Cable Technologies Corporation. Highland Heights, KY 41076
All rights reserved.
Printed in USA
Phone: 1.800.561.0649
1.905.494.5300
Fax: 1.800.565.2529
www.nual.com
Form No. BWC-0008E-0114
Copper Conductor Ampacities
Maximum Allowable Number of Conductors of One Size in Conduit
MAXIMUM ALLOWABLE NUMBER OF CONDUCTORS IN CONDUIT†
Copper RW90 600V
75° C
AMPACITIES
90° C
AMPACITIES
AWG
or
KCMIL
Table 1
Table 2
Table 1
Table 2
14
30
20
35
12
35
25
40
10
50
35
8
70
6
95
4
NOMINAL DIAMETER OF CONDUIT
1/2“
3/4“
1“
1¼“
1½“
2“
2½“
3“
3½“
4“
(16mm)
(21mm)
(27mm)
(35mm)
(41mm)
(53mm)
(63mm)
(78mm)
(91mm)
(103mm)
25
9
16
25
45
61
101
144
200
200
200
30
7
12
20
35
48
79
113
175
200
200
55
40
5
9
15
27
37
61
87
134
179
200
50
80
55
2
4
7
13
18
30
43
67
90
116
65
105
75
1
3
4
10
13
23
32
50
67
87
125
85
140
95
1
2
4
7
10
16
23
36
49
63
3
145
100
165
115
1
1
3
6
8
14
20
31
41
53
2
170
115
190
130
1
1
3
5
7
11
17
26
35
45
1
195
130
220
145
1
1
1
3
5
8
12
19
25
33
1/0
230
150
260
170
1
1
3
4
7
10
16
22
28
2/0
265
175
300
195**
1
1
2
3
6
8
13
18
23
3/0
310
200
350
225
1
1
1
3
5
7
11
15
19
4/0
360
230
405
260
1
1
2
4
6
9
12
16
250
405
255
455
290
1
1
1
3
5
7
10
13
300
445
285
500
320
1
1
1
3
4
6
8
11
350
505
310
570
350
1
1
2
3
5
7
10
400
545
335
615
380
1
1
1
3
5
7
9
500
620
380
700
430
1
1
1
2
4
5
7
600
690
420
780
475
1
1
1
3
4
6
750
785
475
885
535
1
1
1
2
3
4
1000
935
545
1055
615
1
1
1
3
3
**For 3-wire 120/240 V and 120/208 V service conductors for single dwellings, or for feeder conductors supplying dwelling units of
row housing or apartment and similar buildings, and sized in accordance with Rules 8-200(1), 8-200(2), and 8-202(1), the allowable
ampacity for sizes 6 and 2/0 AWG shall be 60 A and 200 A, respectively. In this case, the 5% adjustment of Rule 8-106(1) cannot be
applied.
†
Conduit fill calculated based on actual conductor sizes in accordance with Canadian Electrical Code Part 1 - Rule 12-1014; Table 3
ampacities are for Free Air Installations and Table 4 ampacities are for up to 3 conductors in conduit or cable, not including neutral
conductor for above ground installations.
156 Parkshore Drive, Brampton, Ontario, Canada, L6T 5M1
GENERAL CABLE and NUAL BRAND are trademarks of General Cable Technologies Corporation.
©2014. General Cable Technologies Corporation. Highland Heights, KY 41076
All rights reserved.
Printed in USA
Phone: 1.800.561.0649
1.905.494.5300
Fax: 1.800.565.2529
www.nual.com
Form No. BWC-0008E-0114