13
OPM-109
REV A
WIRING SIZE TABLE
The table below is based on Table 310.15 (B) (16) un the National Electric Code 2014 edition. Allowable ampacitier of insulated conductrs rated 0 through 2000V, 75°C through
90°C. Not more than three current-carrying conductors in Raceway, Cable, or Earth (direct buried). Adjust for 40°C (104°F) ambient temperature.
Copper
75°C
Copper
90°C
Aluminum
Copper Clad Alluminim
75°C
Aluminum
Copper Clad Aluminum
90°
Wire Type:
RHW, THHW, THW, THWN,
XHHW, USE, ZW
Wire Type:
TBS, SA, SIS, FEP, FEPB, MI, RHH,
RHW-2, THHN, THHW, THW-2, XHH,
XHHW, XHHW-2, ZW-2
SIZE AWG
OR KCMIL
Wire Type:
RHW, THHW, THW,
THWN, XHHW, USE
Wire Type:
TBS, SA, SIS, THHN,
THW-2, THWN-2, RHH, RHW-2, USE-2,
XHH, XHHW, XHHW-2, ZW-2
44
57
75
88
101
114
132
154
176
202
224
251
273
295
334
370
405
418
431
458
480
519
550
572
585
50
68
86
100
118
137
155
177
205
237
264
291
319
346
391
432
473
487
505
532
560
605
642
669
683
8
6
4
3
2
1
1/0
2/0
3/0
4/0
250
300
350
400
500
600
700
750
800
900
1000
1250
1500
1750
2000
35
44
57
66
79
88
106
119
136
158
180
202
220
238
273
299
330
339
348
374
392
427
458
480
493
41
55
68
77
91
105
123
137
159
187
209
232
255
278
319
350
382
396
410
437
455
496
532
560
573
For additional information, see table 310.15 of the National Electric Code.
ENGINE HARNESS SCHEMATIC
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