supply of welding cable single core flexible, outer covering general purpose hofr , with annealed high conductivity copper wire of size 2240 x 0.2mm conforming to is:9857 / 1990 ( reaffirmed 1995 ) with amendment no.1 / 2007. the conductor shall be covered with separator of dry paper polyester type or any other suitable material. technical parameters. 1.type of cable and core: single core welding cable ( flexible ) 2.type of conductor : copper 3. cable size in square mm / rated current in amp at 60% duty cycle:70 sq mm / 454amps 4. outer covering : general purpose hofr 5. duty cycle at ambient temperature : 30 degree 6. isi marked : yes 7. availability of type test report from central govt / nabl approved / ilac accredited lab to prove conformity to the specifications. 8. governing specification : is: 9857 / 1990 ( reaffirmed 1995 ) with amendment no.1 / 2007. [ warranty period: 30 months after the date of delivery ]