Phoenix Contact 0816278 The recommended labeling options for an unlabeled white cable marker roll include THERMOMARK products such as the E.300 (D)/600 (D), ROLL 2.0, and ROLLMASTER 300/600 models, among others. A mounting type of assembly with cable ties is required, with a minimum cable diameter of 6 mm. The label options come in sheets of up to 4000 individual labels, featuring text fields that are 8mm high and 24mm wide.