This product is made of high-quality electrical round copper wire conductor, polyimide wound package reinforcement, cross-linked polyethylene insulation sheath, optional polyamide sheath, with good waterproof performance, mechanical properties, electrical properties, acid and alkali salt oil and other characteristics, it is suitable for variable frequency start, long-term high and low frequency, long-term low voltage, frequent start and stop, unstable power grid, overheating and overload and other harsh environments, all kinds of water-filled, oil-filled submersible motors or electrical appliances and driving devices working under similar conditions, especially fountain pumps, and conforms to relevant environmental protection standards. This product is suitable for voltage 1140V, temperature resistance -60 ℃-90 ℃, water pressure 1.5MPa, weak acid, alkali, salt and oil resistance. The product performance is stable and reliable during use.