... :1.5KV,2.5KV,4KV 4. -25-130 5. Wire sleeve Wire rope sleeveFoundry insulation sleeves, UV CABLE SLEEVE ,INSULATION MATERIALS Sleeves ... .6. Applications: For wiring , radio, motors, appliances, electric instruments or apparatus and other electric equipment.7. Breakdown voltage: 1.5kv, 2 ... , in addition the indicator flag on any of the three test specimens shall not be burned or have flaming or glowing ...