Variable 
Description 
Units 
# Cond 
Number of conductors (not cables) at position 

1/c OD 
For 3/c Cable, outside diameter of 1/c portion 
Inches 
1/c Spacing 
Equivalent phase spacing for 1/c cables at different
positions 
Inches 
3/c Configuration 
Type of 3/c cable, round or sector 

Actual Fill % 
Actual conduit fill 
% 
AL lay F 
Lay factor for aluminum conductor 

AL Res 
Aluminum electrical resistivity 
Cir mils ohms/ft 
Allowable Fill % 
Allowable conduit fill according to limits set by user or
NEC defaults 
% 
Amps 
Calculated or specified current on a per conductor basis 
Amperes 
Cable Lib 
Cable data library descriptor 

Cable OD 
Cable overall outside diameter 
Inches 
Cable Size 
Cable size designation 

Cable Type 
Cable type,1/c or 3/c 

Concrete thermal resistivity (RHO) 
Concrete thermal resistivity 
Deg Ccm/watt 
Cond. 
Conductor Material, Copper or Aluminum 

Conductor Diameter 
Conductor diameter 
Inches 
Config 
Cable configuration, nonapplicable, equilateral, cradled or
mixed 

CU lay F 
Lay factor for copper conductor 

CU Res 
Copper electrical resistivity 
Cir mils ohms/ft 
Current Mag 
Magnitude of current used in load flow calculations 
Amps 
Current Deg 
Phase angle of current used in load flow calculations 
Degrees 
Dissipation Factor 
Insulation dissipation factor, (DF), overall DF = DF x e^(DF
Exp x Temp) 

Dissipation Factor Exponent 
Insulation dissipation factor exponent, overall DF = DF x
e^(DF Exp x Temp) 

Distance from earth's surface to origin 
Vertical distance from earth's surface to origin of
coordinate system 
Inches 
Dist. top of ductbank to earth's surface 
Vertical distance from top of ductbank concrete envelope to
earth's surface 
Inches 
Dtd 
Increment of conductor temperature rise due to dielectric
losses 
Deg C 
Duct ID 
Duct Inner diameter 
Inches 
Duct Library 
Duct data library descriptor 

Duct RHO 
Duct material thermal resistivity 
Deg Ccm/watt 
Duct Thickness 
Duct wall thickness 
Inches 
Duct Type 
Whether duct material is Nonmagnetic, Steel or Iron 

Ductbank Geometric Factor 
Calculated ductbank geometric factor 

Ductbank Height 
Height of ductbank concrete envelope 
Inches 
Ductbank Width 
Width of ductbank concrete envelope 
Inches 
dx 
Ficticious diameter at which the effect of loss factor
commences 
Inches 
Earth temperature 
Earth ambient temperature 
Deg C 
Earth thermal resistivity (RHO) 
Earth thermal resistivity 
Deg Ccm/watt 
GF1 
Geometric factor for 3/c cable applying to insulation
resistance 

GF2 
Geometric factor for 3/c cable applying to dielectric loss 
