UL2493; NEC CM (9729,9730,9728); IEC 332-3C (9729NH). Individually Shielded Extended Distance Cable. 24 AWG (7x32) tinned copper conductors insulated with Datalene® and laid in twisted pairs. Features and Benefits. Each pair is individually shielded with a Beldfoil aluminium-polyester shield with a Zfold construction. Highly recommended for use in RS422 systems. Each pair of wires is individually shielded