<h1>Standard Input-Output Norms define allowable component usage and import entitlement for manufacture of aerial telephone cable exports.</h1> Prescribes Engineering Table 9(8) input-output norms for manufacture of Self Supporting Aerial Telephone Cable, listing required input materials, allowable wastage percentages, and quantities per km by cable size for components including copper wire rod, HDPE insulation, polyester film/tape, aluminium foil (plastic coated), LDPE compound, and galvanized steel strand. Applicants must ensure imported goods match inputs used in the export product and the proportion of inputs used is determinable and consistent with the table.