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3000 Raceway Wire Fill Capacity for Power* | ||||||||||
Wire Size THHN/THWN |
O.D. | Number of Conductors (40% Fill) | ||||||||
inches | [mm] | Without Devices |
With Duplex/ Rect. Devices 1.59in.² (1025mm) |
With Surge/ GFCI Devices 2.30in.² (1485mm) |
Large Single Receptacles 3.00in.² (1935mm) |
|||||
14 AWG | 0.111 | [2.8] | 152 | 70 | 40 | 28 | ||||
12 AWG | 0.130 | [3.8] | 111 | 51 | 29 | 21 | ||||
10 AWG | 0.164 | [4.2] | 70 | 32 | 18 | 13 | ||||
8 AWG | 0.216 | [5.5] | 40 | 18 | 10 | 7 | ||||
6 AWG | 0.254 | [6.5] | 29 | 13 | 7 | 5 |
3000 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] |
26 21 15 |
52 42 30 |
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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] |
48 41 26 5 |
96 83 52 11 |
||
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] |
24 16 16 12 |
49 32 32 25 |
||
TWINAXIAL | 100 Ohm | 0.330 | [8.4] | 8 | 17 | ||
SHIELDED TWISTED PAIR |
Type 1 Type 2 Type 3 |
0.390 0.465 0.245 |
[9.9] [11.8] [6.2] |
6 4 15 |
12 8 31 |
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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] |
59 26 26 14 |
119 53 53 28 |
* 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 based on a proposed revision to TIA/EIA 569-A.