Atkore Electrical Cables Product Catalog - Catalog - Page 79
FACC Performance Chart
Conductor Site AWG
Rac, Resistance
75°C2
XL, Reactance1
Z, E昀昀ective3
Impedance
Electrical Properties (ohms to neutral per 1,000 feet)
1
2
3
1
2
16
0.043
4.89
3.93
14
0.042
3.07
2.48
12
0.04
1.93
1.57
In steel armor
To correct for 90°C, multiply by 1.048
Effective impedance is defined as R cos (Theta) + X sin (Theta) where Theta is the power factor angle of the circuit. Effective impedance values shown in the table above are valid at 80% power factor.
Conductor Size AWG
Twisted Pair1
Twisted Shielded Pair2
16
0.043
4.89
14
0.042
3.07
12
0.04
1.93
In steel armor
To correct for 90°C, multiply by 1.048
Inductance (L) to neutral, per 1000 feet is typically 0.0002mH for sizes 18 AWG through 250kcmil
‘= 0.1404 Log10[(GMD/GMR) x 10-3 Henrys to neutral per 1000 ft]
Size
Total Number of conductors
including Ground
Conductor Diameter
Length of Lay
Twists Per Foot
16
2
0.09
2.7
4.4
16
3
0.09
3.2
3.8
16
4
0.09
3.6
3.3
16
5
0.09
3.7
3.3
14
2
0.105
3.15
3.8
14
3
0.105
3.7
3.3
14
4
0.105
4.2
2.9
14
5
0.105
4.3
2.8
12
2
0.125
3.75
3.2
12
3
0.125
4.4
2.7
12
4
0.125
5
2.4
12
5
0.125
5.1
2.4
79
atkore.com/afc
