okonite wire and cable - single conductors or triplexed in conduit -  in air
Ampacity Tables
Single Conductor or Triplexed In Conduit

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3 single conductor cables in conduit in air

Three single conductor
cables in conduit — in air

Closed shield operation. Shields bonded and grounded at multiple points. Any load factor from 30 to 100%. One triplexed cable or three single conductor cables in conduit.

The load ratings are for a single, loaded cable in still air. In a group of loaded cables in close proximity in air, exposed or enclosed, follow the correction method shown on the ampacity correction factors page.

Air ambient temperature 40C.

 

One isolated conduit — three single
or triplexed conductors — in air

Copper

Conductor
Size
AWG-kcmil

Non-Shielded

Shielded

600-5000
Volts Ampacity

2001-5000
Volts Ampacity

5001-35,000
Volts Ampacity

90 C
(194F)

90 C
(194F)

105C
(221F)

90 C
(194F)

105C
(221F)

8.........
6
.........
4
.........
2
.........
1
.........
1/0
.........
2/0
.........
3/0
.........
4/0
.........
250
.........
350
.........
500
.........
750
.........
1000
........\

55.........
75
.........
97
.........
130
.........
156
.........
179
.........
204
.........
242
.........
278
.........
317
.........
384
.........
477
.........
598
.........
689
.........

55...
75
...
97
...
130
...
155
...
180
...
205
...
240
...
280
...
315
...
385
...
475
...
600
...
690
...

61...
84
...
110
...
145
...
175
...
200
...
225
...
270
...
305
...
355
...
430
...
530
...
665
...
770
...

...
83
...
110
...
150
...
170
...
195
...
225
...
260
...
295
...
330
...
395
...
480
...
585
...
675
...

...
93
...
120
...
165
...
190
...
215
...
255
...
290
...
330
...
365
...
440
...
535
...
655
...
755
...

Aluminum

Conductor
Size
AWG-kcmil

Non-Shielded

Shielded

600-5000
Volts Ampacity

2001-5000
Volts Ampacity

5001-35,000
Volts Ampacity

90 C
(194F)

90 C
(194F)

105C
(221F)

90 C
(194F)

105C
(221F)

8.........
6
.........
4
.........
2
.........
1
.........
1/0
.........
2/0
.........
3/0
.........
4/0
.........
250
.........
350
.........
500
.........
750
.........
1000
.........

43.........
58
.........
76
.........
102
.........
122
.........
139
.........
159
.........
189
.........
217
.........
249
.........
303
.........
381
.........
488
.........
578
.........

43...
58
...
76
...
100
...
120
...
140
...
160
...
190
...
215
...
250
...
305
...
380
...
490
...
580
...

48...
65
...
85
...
115
...
135
...
155
...
175
...
210
...
240
...
280
...
340
...
425
...
545
...
645
...

...
65
...
84
...
115
...
130
...
150
...
175
...
200
...
230
...
255
...
310
...
385
...
485
...
565
...

...
72
...
94
...
130
...
150
...
170
...
200
...
225
...
260
...
290
...
350
...
430
...
540
...
640
...

 


ENGINEERING TECHNICAL CENTER

Every effort has been made to ensure the accuracy of this presentation.
However, information is subject to change. Not responsible for typographical errors.

The Okonite Company
102 Hilltop Road
Ramsey, New Jersey 07446
Phone 201-825-0300
Fax 201-825-3524
info@okonite.com

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