... quality, safety, easy to operate, green physics lab equipment Main Compostion of Physics Electricity Lab1, table-boardAdopt 25mm thickness ... power of students table, with auto overcurrent protection. The main power control case is like a drawer.For students: (size: ... AC 220V voltage output, 5A current, with high sensitive short-circuit protection.d, accessory equipment: Voltmetre, ampere metre, high ...