Flexible multicore screened auxiliary cables with galvanised steel pliable armouring.
Contributors: National Coal Board.
Series: NCB specification -- no.653/1980
Publisher: National Coal Board
Published: 1980
Place of publication: London (Secetariat, Quality Control Branch, Mining Department, The Lodge, South Parade, Doncaster DN1 2DX)
Language: eng
Number of pages: 13
Subjects: Electricity in mining -- Standards.; Electric lines -- Underground -- Standards.