No.
of
cores |
Nominal
thick-ness
of
insula-tion |
Mini-mum
thick-ness
of
Inner
Sheath |
Galvan.
Round Steel
Wire Nominal Dia.
|
Galvan.
Flat
Steel
Wire
Nominal Thick-ness |
Nominal
Sheath
Thick-ness
Unarm-oured |
Mini-mum
Sheath
Thick-ness
Armou-red
|
Unarm-oured |
Armou-red |
Unarm-oured |
Armou-red |
Max. DC Conduc-tor Resist-ance at 20o C
|
Direct
in
ground |
In
Ducts |
In
Air |