NM2000 Raceway Wire Fill Capacity for Power | |||
Wire Size THHN/THWN |
O.D. | Number of Conductors | |
inches | [mm] | ||
14 AWG | 0.111 | [2.8] | 45 |
12 AWG | 0.130 | [3.8] | 31 |
10 AWG | 0.164 | [4.2] | 15 |
NM2000 Raceway Wire Fill Capacity for Communications | |||||||
O.D. (Approx. Dia) | |||||||
Cable wire Size | inches | [mm] | 20%** Fill | 40%*** Fill | |||
UNSHIELDED TWISTED PAIR |
4-pair, 24 AWG, Cat 3 4-pair, 24 AWG, Cat 5e 4-pair, 24 AWG, Cat 6 |
0.190 0.210 0.250 |
[4.8] [5.3] [6.3] |
11 9 6 |
5 4 3 |
||
TELEPHONE | 2-pair, 24 AWG 3-pair, 24 AWG 4-pair, 24 AWG 25-pair, 24 AWG |
0.140 0.150 0.190 0.410 |
[3.6] [3.8] [4.8] [10.4] |
20 18 11 2 |
10 9 5 1 |
||
COAXIAL | RG58/U RG59/U RG62/U RG6/U |
0.195 0.242 0.242 0.270 |
[5.0] [6.1] [6.1] [6.9] |
10 6 6 5 |
5 3 3 2 |
||
TWINAXIAL | 100 Ohm | 0.330 | [8.4] | 3 | 1 | ||
SHIELDED TWISTED PAIR |
Type 1 Type 2 Type 3 |
0.390 0.465 0.245 |
[9.9] [11.8] [6.2] |
2 1 6 |
1 0 3 |
||
FIBER | Mini ZipCord ZipCord Round 4 Strand Fiber Round 6 Strand Fiber |
0.079 x 0.157 0.118 x 0.236 0.187 0.256 |
[2 x 4] [3 x 6] [4.8] [6.5] |
25 11 11 6 |
12 5 5 3 |
** 20% cable fill is calculated to approximate reduction in cable capacity due to connectors mounted with raceway and fittings that may restrict cross sectional area.
*** 40% cable fill is the maximum designed cable fill based on a proposed revision to TIA/EIA 569-A.