The bracket accessories are divided into: straight fixing plate, screw connecting plate, bending fixing plate, variable angle fixing plate, partition, pressure plate, and fastener. Foundation: The foundation provides support and stability for the entire solar photovoltaic system. At present, there are 3 types of brackets used in most PV power plants: fixed conventional bracket, adjustable tracking bracket and flexible PV bracket. This refers to the mounting system where the orientation, angle, etc. Each accessory is critical in. Secure your solar panels with durable, corrosion-resistant aluminum mounts. Suitable for RVs, boats, rooftops, and off-grid installations.