This article introduces the Cable Rvfv U1000 5g armored power cable, which is a 5 - core design with a single - core cross - section of 2.5mm². It is adapted to the U1000 voltage level and is a power transmission cable specially built for overhead scenarios.​ The cable has prominent advantages in performance and structure: It uses XLPE (cross - linked polyethylene) as the insulation layer, which has excellent flame - retardant performance. It can inhibit the spread of fire in high - temperature conditions or the initial stage of a fire, improving electricity use safety; The armored structure provides mechanical protection for the cable, resisting wind and rain impact, external collision and other risks that may be encountered in the overhead environment; The 5 - core design can meet the needs of multi - circuit power transmission and adapt to the complex power supply requirements of overhead scenarios.​ In terms of application, its 2.5mm² cross - section can meet small and medium - power overhead transmission, such as rural low - voltage overhead lines and overhead power distribution inside factory areas. During overhead installation, the structural stability and flame - retardant characteristics of the cable can ensure long - term safe operation, adapting to the special environment of outdoor overhead.