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Nec Box Fill: metal box
FD multiple cover 60.3 depth to FS single cover 44.5 depth
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 | description | max conductors awg 10 | max conductors awg 12 | max conductors awg 14 | max conductors awg 16 | max conductors awg 18 | max conductors awg 6 | max conductors awg 8 | min volume cm3 (cm3) | min volume in3 (in3) | nec table | standard |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| metal box | FD multiple cover 60.3 depth | FD min. 60.3 mm depth, multiple cover | 9 | 10 | 12 | 13 | 16 | 4 | 8 | 395 | 24 | 314.16(A) | NEC (NFPA 70) 2017 Edition Table 314.16 |
| metal box | FD single cover 60.3 depth | FD min. 60.3 mm depth, single cover | 7 | 8 | 9 | 10 | 12 | 3 | 6 | 295 | 18 | 314.16(A) | NEC (NFPA 70) 2017 Edition Table 314.16 |
| metal box | FS multiple cover 44.5 depth | FS min. 44.5 mm depth, multiple cover | 7 | 8 | 9 | 10 | 12 | 3 | 6 | 295 | 18 | 314.16(A) | NEC (NFPA 70) 2017 Edition Table 314.16 |
| metal box | FS single cover 44.5 depth | FS min. 44.5 mm depth, single cover | 5 | 6 | 6 | 7 | 9 | 2 | 4 | 221 | 13.5 | 314.16(A) | NEC (NFPA 70) 2017 Edition Table 314.16 |
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