4KVNtp-1-25/50-bn GreenEnergy end sleeve is designed for terminating 4-core cable with paper oil-impregnated insulation (POI) for voltages up to 1 kV, indoor or outdoor installation, with or without armor, 25, 35, 50 mm2, without terminals. Sleeves comply with GOST 34839-2022 requirements and are manufactured according to TU 27.33.13-001-61566566-2023, developed jointly with VNIICP.