Flame-retardant electric wire

The utility model discloses a flame-retardant electric wire, which comprises an outer sheath, the outer surface of the outer sheath is provided with an inflation sleeve, the outer surface of the inflation sleeve is provided with supporting tables at intervals of 120 degrees, each supporting table is internally provided with an inflation cavity, the outer side of the upper supporting table is provided with an inflation inlet, and the inflation inlet is communicated with the inflation cavity. A gas channel is arranged in the inflation sleeve, and the inflation cavity is connected with the gas channel in a penetrating mode. According to the utility model, through the cooperation of the honeycomb fire-resistant sleeve and the gas storage cavity, when the device is used, the wires in the outer sheath can be protected through the honeycomb fire-resistant sleeve, and the honeycomb fire-resistant sleeve is arranged in a honeycomb shape to seal the interior of the outer sheath, so that when a fire occurs, the wires ca