1E grade halogen-free low-smoke flame retardation instrument cable for nuclear power station

The utility model provides a 1E grade halogen-free low-smoke flame retardation instrument cable for a nuclear power station, relates to the technical field of design of cables for nuclear power stations, and specifically relates to a 1E grade halogen-free low-smoke flame retardation instrument cable for a nuclear power station. The cable comprises four strands of wire cores, the outside of the four strands of wire cores are provided with a cabling wrapping layer, a general shielding layer, a halogen-free strip wrapping layer and an outer sheath layer in sequence, a filling layer is arranged between the four strands of wire cores and the cabling wrapping layer, each strand of wire core comprises a bunch-stranded conductor, and the outside of the bunch-stranded conductor is provided with an isolation layer, an inner insulating layer, an outer insulating layer and an itemizing shielding layer in sequence. The 1E grade halogen-free low-smoke flame retardation instrument cable for the nuclear power station is advantaged by good performances of low smoke, halogen free, flame retardation, radiation resistance, anti-interference, and cracking resistance, and long service lifetime.