supplying and laying 3core 2.5sqmm pvc insulated and pvc sheathed flexible copper cable along with refrigerant pipe or along with existing conduit / cable tray i/c binding with plastic tags for extending supply from existing industrial socket to indoor unit etc, as required . make any isi mark . note the length of copper cable supplied with each unit is 3 metre . extra length shall be paid extra for which firm shall quote their unit rates