Electronical performance電氣性能 
 6.1 Contact Being measured at 1 KHz small current 50mΩ max. 
 resistance contact resistance meter. 
 接觸阻抗 在1kHz小電流下測量。 50毫歐以下。 
 6.2 Measurements shall be made following 
 application of DC500V potential 
 Insulation across terminals and across terminals 100MΩ min. 
 resistance and frame for 1 minute. 
 絕緣阻抗 在端子之間和端子與殼之間加DC 500 V 100兆歐以上。 
 條件下,持續1分鐘測量。