Preventing hazardous industrial chemicals from entering wastewater systems is critical for environmental protection and public health. This chapter explores advanced electrical treatment technologies designed to address this challenge, offering innovative solutions for industrial wastewater management. The chapter begins by outlining the environmental and health risks posed by hazardous industrial chemicals in wastewater. It introduces advanced electrical treatment technologies, such as electrocoagulation, electrooxidation, and electrochemical advanced oxidation processes, explaining their principles and mechanisms for contaminant removal. Key areas of discussion include the technical aspects of these technologies, including system design, operational parameters, and efficiency in removing various pollutants. The chapter examines the effectiveness of electrical treatments in degrading and eliminating a wide range of hazardous chemicals, including heavy metals, organic compounds, and persistent pollutants. Economic considerations are also addressed, highlighting the cost-effectiveness of electrical treatment technologies compared to conventional methods. Case studies from different industries, such as chemical manufacturing, pharmaceuticals, and metal plating, showcase successful implementations and the environmental benefits achieved. The chapter emphasizes the importance of integrating advanced electrical treatments into existing wastewater management systems to enhance overall treatment efficiency and compliance with environmental regulations. By providing a comprehensive overview, this chapter aims to inform and inspire industry stakeholders to adopt these cutting-edge technologies, ultimately contributing to safer and more sustainable industrial practices.