Ampacity Chart

Rated 0 through 2000 volts, with an overall covering (Multiconductor), on Raceway in Free Air Based on Ambient Air Temperature of 30°C (86°F)

SIZE	TEMPERATURE RATING OF CONDUCTOR, SEE TABLE 310-13						SIZE
AWG kcmil	60°C (140°F)	75°C (167°F)	90°C (194°F)	60°C (140°F)	75°C (167°F)	90°C (194°F)	AWG kcmil
	TYPES TW, UF	TYPES RH, RHW, THHW THW, THWN	TYPES THHN, THHW	TYPES TW	TYPES RH, RHW, THHW THW, THHW	TYPES THHN, THHW
	COPPER			ALUMINUM OR COPPER-CLAD ALUMINUM
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	36 48 66 76 88 102 121 138 158 187 205 234 255 274 315 343 376 387 397 415 448	43 58 79 90 105 121 145 166 189 223 245 281 305 328 378 413 452 466 479 500 542	48 65 89 102 119 137 163 186 214 253 276 317 345 371 427 468 514 529 543 570 617	28 38 51 59 69 80 94 108 124 147 160 185 202 218 254 279 310 321 331 350 382	33 45 61 70 83 95 113 129 147 176 192 221 242 261 303 335 371 384 397 421 460	37 51 69 79 93 106 127 146 167 197 217 250 273 295 342 378 420 435 450 477 521	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
Ambient Temp °C	For Ambient temperatures other than 30°C (86°F) multiple the ampacities shown above by the appropriate factor shown below						Ambient Temp °F
21-25 26-30 31-35 36-40 41-45 46-50 51-55 56-60 61-70 71-80	1.08 1.00 .91 .82 .71 .58 .41 - - -	1.05 1.00 .94 .88 .82 .75 .67 .58 .33 -	1.04 1.00 .96 .91 .87 .82 .76 .71 .58 .41	1.08 1.00 .91 .82 .71 .58 .41 - - -	1.05 1.00 .94 .88 .82 .75 .67 .58 .33 -	1.04 1.00 .96 .91 .87 .82 .76 .71 .58 .41	70-77 79-86 88-95 97-104 106-113 115-122 124-131 133-140 142-158 160-176