Chapter 5　Safety Protection Devices

The safety protection device for transmission and distribution line work mainly includes insulation protection,insulation shielding appliance and shielding appliance.The insulation protection and insulation shielding appliances are mainly used for live working on distribution lines,of which the insulation protection appliance is mainly used for operator safety protection,and the insulation shielding appliance is mainly used for limited shielding of the charged body during live working to prevent the operator from getting an electric shock;the shielding appliance is mainly used in the live working of the transmission line and shielding the impact of the high-voltage electromagnetic field on the human body during the live working of the transmission line,and dividing the power frequency current through the human body to protect the human body from the high voltage electric field and electromagnetic wave.(https://www.daowen.com)