Single line diagram for a 10kV electrical power distribution network. This specific drawing tracks the P169 line originating from a 110kV farm substation. It details the connection to a branch box and eventually to pole #2. The diagram uses standard engineering symbols for medium voltage equipment. Title block is present with survey dates and project responsibility noted. Primary language for the annotations is Chinese.10kV东升P169线电缆单线图. 包含110kV农场变, 分支箱及电杆连接详情.