supply of various size power and control cables for ps i to vi of gjlc supply of various size power and control cables for ps i to vi of gjlc , supply of p.v.c. / xlpe insulated & p.v.c. sheathed armoured copper control cable confirming to is:1554 p-i / is :7098 p - i of 1.1 kv with electrolytic grade copper made of copper rods confirming to is 613-1964, of purity >99.7 %, round / flat strip armouring, inner / outer sheath confirming to is:5831 , 12c x 1.5 sqmm , supply of p.v.c. / xlpe insulated & p.v.c. sheathed arrmoured aluminium cable confirming to is:1554 p-i / is :7098 p - i of 1.1 kv with h4- grade electrolytic aluminium conductor confirming to is 8130 of purity >99.6 %, round / flat strip armouring of cables, inner / outer sheath confirming to is:5831, 3.5cx150 sq.mm