distribution lines
transmission lines
domestic wiring
service mains
improves the power factor
reduces the power factor
corrodes the material
improves regulation
size of conductor
shape and surface condition of the conductor
operating voltage
all of the above
40 kV per cm
30 kV per cm
22 kV per cm
6.6 kV per cm
spacing between conductors
radius of conductor
supply frequency
none of the above