CABLE WITH VOID AND SELECTION METHOD

摘要

A cable having a void and selection method are provided to maintain the property of insulator even in the condition that small void is formed. A method for selecting a cable in which a void(10) is formed comprises: a step of inspecting non-destruction to confirm the void formed in a insulator of cable; a step of measuring the diameter of detected void; a step of determining whether the void and the gap from the void satisfies the conditions; and a step of selecting the cable the condition.