![]() ![]() Isolators prevent the flow of current through a fraction of the electrical circuit when it is not safe to have current flow through, for example, during repair and maintenance. Some people confuse isolators and circuit breakers, and it is important to state that they are different devices with different functions, as discussed in the next section. Isolator switches are used for several appliances in the house, including kitchen tools, power grinds and other small appliances that require small amounts of electricity.Ī wall socket, for example, can be used as an isolator switch because it can be turned off to prevent the flow of electricity on a given circuit. With this switch, you do not have to interfere with the electrical supply of the whole house, simply because a small section requires the attention of an electrician. The main function of an isolator switch is to set aside electric circuits from the main power source to allow for repairs. ![]() This ensures that the fan does not become accidentally live and ensures continuous functionality of other fixtures because you can switch off the fan without switching off the lights. ![]() A bathroom fan requires a 3-pole isolation switch because it has three lines to be disconnected for repairs.
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