施工现场的配电箱，是分配和控制临时用电的重要电气设备，是保证施工现场安全优质用电的重要措施，因此，人们都很重视它。根据建设部ＪＧＪ４６—８８《施工现场临时用电安全技术规定》，对配电箱要求应：明显标志，防灰尘，防雨雪，箱顶有坡有檐，耐机械损伤，防冲防砸... The distribution box at the construction site is an important electrical device for distributing and controlling temporary electricity. It is an important measure to ensure the safe and high-quality electricity at the construction site. Therefore, people attach great importance to it. According to the Ministry of Construction JGJ46-88 “Technical Regulations for the Temporary Use of Electricity on Construction Sites”, the requirements for the distribution box shall be: clear signs, dust proof, anti-rain and snow, roof tops with slopes, resistance to mechanical damage, and anti-knocking. ..