26/54
TLE Scalable Series 40 to 150 UL S1
UPS Installation Guide / REV-B
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)
140°F (60°C)
194°F (90°C)
140°F (60°C)
167°F (75°C)
194°F (90°C)
AWG
or
kcmil
Types
TW, UF
Types
FEPW, RH,
RHW, THHW,
THW, THWN,
XHHW, USE,
ZW
Types
TBS, SA, SIS,
FEP, FEPB, MI,
RHH, RHW-2,
THHN, THHW,
THW-2,
THWN-2, USE-2,
XHH, XHHW,
XHHW-2, ZW-2
Types
TW, UF
Types
RH, RHW,
THHW,
THW, THWN,
XHHW, USE
Types
TBS, SA, SIS,
THHN, THHW,
THW-2,
THWN-2, RHH,
RHW-2, USE-2,
XHH, XHHW,
XHHW-2,
ZW-2
Copper
Aluminum or Copper-Clad Aluminum
18
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---
14
---
---
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16
---
---
18
---
---
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14
20
20
25
---
---
---
12
25
25
30
20
20
25
10
30
35
40
25
30
35
8
40
50
55
30
40
45
6
55
65
75
40
50
60
4
70
85
95
55
65
75
3
85
100
110
65
75
85
2
95
115
130
75
90
100
1
110
130
150
85
100
115
1/0
125
150
170
100
120
135
2/0
145
175
195
115
135
150
3/0
165
200
225
130
155
175
4/0
195
230
260
150
180
205
250
215
255
290
170
205
230
300
240
285
320
190
230
255
350
260
310
350
210
250
280
400
280
335
380
225
270
305
500
320
380
430
260
310
350
600
355
420
475
285
340
385
700
385
460
520
310
375
420
750
400
475
535
320
385
435
800
410
490
555
330
395
450
900
435
520
585
355
425
480
1000
455
545
615
375
445
500
1250
495
590
665
405
485
545
1500
520
625
705
435
520
585
1750
545
650
735
455
545
615
2000
560
665
750
470
560
630
CORRECTION FACTORS
Ambient Temperature
For ambient temperatures other than 86°F (30°C),
multiply the allowable ampacities shown above by the appropriate factor below
70 – 77°F (21 – 25°C)
1.08
1.05
1.04
1.08
1.05
1.04
79 – 86°F (26 - 30°C)
1.00
1.00
1.00
1.00
1.00
1.00
88 – 95°F (31 - 35°C)
0.91
0.94
0.96
0.91
0.94
0.96
97 – 104°F (36 - 40°C)
0.82
0.88
0.91
0.82
0.88
0.91
106 – 113°F (41 - 45°C)
0.71
0.82
0.87
0.71
0.82
0.87
115 – 122°F (46 - 50°C)
0.58
0.75
0.82
0.58
0.75
0.82
124 – 131°F (51 - 55°C)
0.41
0.67
0.76
0.41
0.67
0.76
