Nec Cable Ampacity: aluminum hightemp raceway
310.15B18#6 AWG to 310.15B18#8 AWG
NEC (NFPA 70) cable ampacity ratings — allowable current for copper and aluminum conductors at 60/75/90°C insulation ratings in raceways and free air; high-temperature conductor ampacity at 150/200/250°C; ambient temperature correction factors; conductor fill adjustment factors
| conductor material | conductor size | ampacity 150C type Z (A) | installation | nec table | standard |
|---|---|---|---|---|---|
| aluminum hightemp raceway | 310.15B18#6 AWG | 75 | raceway or cable | 310.15(B)(18) | NEC (NFPA 70) 2017 Edition Table 310.15(B)(18) |
| aluminum hightemp raceway | 310.15B18#8 AWG | 57 | raceway or cable | 310.15(B)(18) | NEC (NFPA 70) 2017 Edition Table 310.15(B)(18) |
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