電氣设备的保安,主要在於平時的檢查和維護,經常注意電器的運用情况,並應裝置保安設備如极電器等,使發生故障時,將线路或電器与電源隔断,减轻线路和器械所受的損害,防止短路(Short circuit)或過载(Overload)。 Electrical equipment security, mainly in peacetime inspection and maintenance, regular attention to the use of electrical equipment, and should be equipped with security equipment such as electrical appliances, so that when a fault occurs, the line or electrical and power cut off, to reduce the line and equipment suffered Damage, prevent short circuit (Short circuit) or overload (Overload).