August 29-30, 2017, organized by the National High Voltage Switchgear Standardization Technical Committee (SAC/TC65), the "High voltage switchgear temperature online monitoring device Technical specifications" energy industry standard formulation working group second working meeting was held in Xi 'an. A total of 45 representatives from 34 units such as scientific research institutes, universities, power grid companies, and manufacturing enterprises participated in the meeting, which was organized by Xi 'an High Voltage Electrical Apparatus Research Institute.