ABB TLE Scalable Series Installation Manual page 26

26/54
NEC Section 210-20 (a)
Table 310-16. Allowable Ampacities of Insulated Conductors Rated O Through 2000 Volts, 140°F Trough 194°F
(60°C Trough 90°C) Not More than Three Current-Carrying Conductors in Raceway, Cable, or Earth (Directly
Buried), Based on Ambient Temperature of 86°F (30°C).
Temperature Rating of Conductor (See table 310-13)
Size 140°F (60°C)
Types
TW, UF
AWG
or
kcmil
18 ---
---
16
14 20
12 25
30
10
40
8
6 55
4 70
85
3
2 95
1 110
125
1/0
145
2/0
3/0 165
4/0 195
215
250
300 240
350 260
280
400
320
500
600 355
700 385
400
750
410
800
900 435
1000 455
495
1250
520
1500
1750 545
560
2000
Ambient Temperature
70 – 77°F (21 – 25°C)
79 – 86°F (26 - 30°C)
88 – 95°F (31 - 35°C)
97 – 104°F (36 - 40°C)
106 – 113°F (41 - 45°C)
115 – 122°F (46 - 50°C)
124 – 131°F (51 - 55°C)
140°F (60°C) 194°F (90°C)
Types Types
FEPW, RH, TBS, SA, SIS,
RHW, THHW, FEP, FEPB, MI,
THW, THWN, RHH, RHW-2,
XHHW, USE, THHN, THHW,
ZW THW-2,
THWN-2, USE-2,
XHH, XHHW,
XHHW-2, ZW-2
Copper
---
---
20
25
35 40
50
65
85
100 110
115 130
130 150
150 170
175 195
200 225
230 260
255 290
285 320
310 350
335 380
380 430
420 475
460 520
475 535
490 555
520 585
545 615
590 665
625 705
650 735
665 750
CORRECTION FACTORS
For ambient temperatures other than 86°F (30°C),
multiply the allowable ampacities shown above by the appropriate factor below
1.08 1.05
1.00 1.00
0.91 0.94
0.82 0.88
0.71 0.82
0.58 0.75
0.41 0.67
TLE Scalable Series 40 to 150 UL S1
140°F (60°C)
Types
TW, UF
Aluminum or Copper-Clad Aluminum
14 ---
18 ---
25 ---
30 20
25
55 30
75 40
95 55
65
75
85
100
115
130
150
170
190
210
225
260
285
310
320
330
355
375
405
435
455
470
1.04 1.08
1.00 1.00
0.96 0.91
0.91 0.82
0.87
0.82 0.58
0.76 0.41
UPS Installation Guide / REV-B
167°F (75°C)
Types
RH, RHW,
THHW,
THW, THWN,
XHHW, USE
---
---
---
20
30
40
50
65
75
90
100
120
135
155
180
205
230
250
270
310
340
375
385
395
425
445
485
520
545
560
1.05
1.00
0.94
0.88
0.71 0.82
0.75
0.67
194°F (90°C)
Types
TBS, SA, SIS,
THHN, THHW,
THW-2,
THWN-2, RHH,
RHW-2, USE-2,
XHH, XHHW,
XHHW-2,
ZW-2
---
---
---
25
35
45
60
75
85
100
115
135
150
175
205
230
255
280
305
350
385
420
435
450
480
500
545
585
615
630
1.04
1.00
0.96
0.91
0.87
0.82
0.76