... Room Temperature Breakdown Voltage, High Voltage Hole, and Pin-Hole, etc. Code Number Test StandardGB/T23312-7-2009Size2.0mmDate2012-9- ... Shock240°C,30minOKBroken Down Voltage Will Room≥5.0KV11.3/9.7/12/11.5/kvContinuityHigh Voltage Hole//Pin ... aluminum wire, class 2204. Application field:Suitable for winding coils of oil-immersed transformers, dry-type transformers, high-temperature transformers, and ...