This solution covers a complete set of power equipment from low-voltage distribution cabinets, high-voltage switchgear to transformers, automation control systems, etc., aiming to provide comprehensive and customized power solutions for various users. Currently, Thor is the Technical Department Manager at Weisho Electric Co. Every step is crucial when installing high and low voltage. High voltage and low voltage complete sets occupy a significant place in modern electrical engineering as they are responsible for safe, secure, and efficient power distribution to all types of industries. It is the core component of the power system, so it is responsible for the control, protection and isolation of circuits and equipment, and is also used to regulate power flow, quickly cut off. The Development Trend of High and Low Voltage Complete Electrical Equipment Characteristics of complete sets of high and low voltage electrical equipment The shell of a complete set of electrical equipment is generally made of metal material, which can provide good protection for the electrical. This paper comprehensively explores the technical management and risk prevention of high and low voltage complete sets of equipment in power engineering. It elaborates on technical management contents such as design and manufacturing standards, installation and commissioning management framework.