Cable Construction 1.1 kV (A.C) & 1.5 kV (D.C ) to Earth 2.5 Sq. mm copper conductor, PVC insulated unarmoured & galvanised steel strip / wire armoured control cables as per IS 1554 Part – 1. Conductor: CU conductor solid as per Cl .1 IS 8130 or stranded as per Cl. 2 IS 8130 Insulation Materia: PVC Type – A as per IS 5831/ Option : HR PVC (Type – C) as per IS 5831. Nominal thickness of insulation is 0.9 mm Core Colours: Up to 5 cores by colour coding & more than 5 cores number printing on core as per IS 1554 (P – 1) Inner Sheath: PVC / PVC tape as per IS 1554 (P – 1) Armouring: Single armouring of galvanised steel strip / wire Outer Sheath : PVC Type ST – 1 as per IS 5831 (Option : PVC Type ST – 2 as per IS 5831, FR Type / FRLS Type) Cable Color: Black (Options : Any other color as per requirement) Cable Design Parameters While ordering, in addition to the part number the following details shall also be advised: Class of conductor – Cl. 1 or 2. Insulation Type – PVC Type A / C.