This barrier prevents dangerous voltages from passing through the electrical circuit in the event of an electrical fault or failure in the system. Electrical Isolationīy definition, isolation means the deliberate introduction of a non-conductive separation, which can either be physical, electrical, or both.Įlectrical isolation systems prevent the transfer of a direct current and an unwanted alternating current between two parts of a circuit.Īn electrical isolator (also known as an isolator or disconnector) is a piece of equipment that separates the two circuits, providing a barrier using a mechanical switch. Therefore, electrical insulation or isolation must be controlled to prevent circuit damage, fires, human injury, or even death. The human body makes an excellent conductor as we are made up of around 60% water, this also puts us at risk of electrical shock and injuries. For an electrical current to flow, conductive metals and water drive the flow by working out the potential difference or voltage in a system. For example, all your household appliances will either have an alternating or direct current. There are different types of electrical isolation switches available, but they all ensure there is efficient distribution of power.Įlectrical currents refer to the flow of atomic particles/electrons that pass through wires and electrical devices. Electrical isolation connects or disconnects a section of a circuit using a mechanical switch to protect the user from high voltages and to protect electrical equipment from damages.
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