Nec Box Fill: volume_allowance
NEC (NFPA 70) box fill requirements — minimum volume for metal outlet/device/junction boxes (Table 314.16(A)) and volume allowance per conductor by wire size (Table 314.16(B))
| record type | box key | free space per conductor cm3 (cm3) | free space per conductor in3 (in3) | nec table | size awg | standard |
|---|---|---|---|---|---|---|
| volume_allowance | 10 AWG | 41 | 2.5 | 314.16(B) | 10 | NEC (NFPA 70) 2017 Edition Table 314.16 |
| volume_allowance | 12 AWG | 36.9 | 2.25 | 314.16(B) | 12 | NEC (NFPA 70) 2017 Edition Table 314.16 |
| volume_allowance | 14 AWG | 32.8 | 2 | 314.16(B) | 14 | NEC (NFPA 70) 2017 Edition Table 314.16 |
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