32 amp Distribution Board includes cover, frame, base box, guide rail, neutral copper bar and earth copper bar. It has surface mounting type and flush mounting type. Zhejiang B&J Electrical Co., Ltd, with 20 years' experience in the electrical industry, is the leading manufacturer of distribution boxes in China, specialized in producing and researching all kinds of distribution boxes, wall mounting distribution boxes, knock down cabinets, floor standing. Zheliang B and J Electrical Co.