(4) The shielding shall be annealed copper tape of suitable width and shall be
helically applied over the inner jecket with a minimum 10% lap. The annealed
copper tape shall be at least 0.1 mm thickness and substantailly free from burrs
(5) Fillers shall be used in the interstice of the multi-core conductor cable where
necessary to give the complete cable a subsfantially circular croos section.
Fillers shall be of polypropylene, non-hygroscopic materials.