This standard specifies the method for measuring the withstand voltage of spark plug porcelain insulators. The two test methods specified in this standard (you can choose either test method) are suitable for the determination of the withstand voltage of spark plug porcelain insulators.
JB/T 9588.2-1999 history
1999JB/T 9588.2-1999 Test method for ceramic insulators of spark plug.Test method for voltage proof