Tratos Products - Cable Manufacturer

TITLE: Flexible cables for use at mines and quarries

SCOPE: BS 6708 specifies flexible cable types, their electrical characteristics, construction, identification and testing.
Specific types of cable covered in BS 6708 standard are as follows:

non-armoured cables having a rated voltage of 640/1100 V, for use:

  • with coalface cutters: types 7, 7M, 7S, 11, 14 and 16;
  • in overhead catenary systems: types FS4 (flat form cable);
  • cables with galvanized steel pliable wire armouring types 20 and 21;
  • types 62, 63, 64, 70 and 71; types 201 and 211; or
  • a rated voltage 1900/3300 V: types 321 and 331;
  • auxiliary cables with a rated voltage 320/550 V, 506, 512, 518 and 524;

a rated voltage 3800/6600 V, types 621, 630 and 631:

  • hand-held drilling machines in mines: type 43, 44;
  • rated voltage 3800/6600 V, type 730, 830
  • non-armoured cables having a rated voltage 1900/3300 V, types 307, 307M and 307S.


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