The three most popular materials used for Electrical Distribution Boxes are Thermoset Plastics such as Sheet Molding Compounds (SMC), Engineering Thermoplastics such as Polycarbonate (PC) and Acrylonitrile Styrene Acrylate (ASA) and Epoxy Coated Steel used to make Metallic Deep. The three most popular materials used for Electrical Distribution Boxes are Thermoset Plastics such as Sheet Molding Compounds (SMC), Engineering Thermoplastics such as Polycarbonate (PC) and Acrylonitrile Styrene Acrylate (ASA) and Epoxy Coated Steel used to make Metallic Deep. Each distribution box material has its own special strengths. For example, you may need flame retardant features. The box should handle surge voltages up to 2kV. Engineering thermoplastics like polycarbonate and epoxy-coated steel are very safe and strong. The box material of Distribution box is generally made of steel plate, insulation board or epoxy glass cloth board. Thanks to its properties, butyl rubber is widely used in the electrical sector and is a self-extinguishing material. - YouTube In a combination of single phase and three phase distribution board (380V/220V), the single phase, 220V load circuits should be connected via three wires i. 63 VA V 8623 (amended upto date) – for general requirement of me d upto date) – Glass Reinforced in ion arrangement etc le pole Isolator (Switch Disconnector), conforming to relevant latest I. These materials are chosen for their durability, impact resistance, and ability to withstand environmental factors, ensuring long-lasting and safe performance.