Length of lay screen wires

The length of lay of the wire screens and wire armours also plays a role, and must be taken into account when calculating the electrical resistance of the screen or armour.Pipe-type cables are often manufactured with tapes that are 22.225 mm (0.825'') in width and are lapped 3.175 mm (0.125'') as described in CIGRE TB 880.

Symbol
$L_{lay,sc}$
Unit
mm