Table 310.15(B)(16) — Conductor Ampacities

Allowable Ampacities of Insulated Conductors Rated Up to and Including 2000 Volts, 60°C Through 90°C (140°F Through 194°F), Not More Than Three Current-Carrying Conductors in Raceway, Cable, or Earth (Directly Buried), Based on Ambient Temperature of 30°C (86°F)

Size (AWG or kcmil) Temperature Rating of Conductor (Table 310.104(A))
60°C (140°F) 75°C (167°F) 90°C (194°F)
#1814
#1618
#14152025
#12202530
#10303540
#8405055
#6556575
#4708595
#385100115
#295115130
#1110130145
1/0125150170
2/0145175195
3/0165200225
4/0195230260
250215255290
300240285320
350260310350
400280335380
500320380430
600350420475
700385460520
750400475535
800410490555
900435520585
1000455545615
1250495590665
1500525625705
1750545650735
2000555665750
  Types TW, UF Types 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

DISCLAIMER: All tables on this site are based on the 2011 National Electric Code. The law under your local jurisdiction may be different than what is presented here. Check your local jurisdiction's laws before attempting to do electrical work.

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