Cuts all power sources of the entire house; provides protection on electrical circuits throughout the house and for those electrical appliances and extension cords connected to the protected power points.
Protects extension cords and electrical appliances plugged into that particular outlet and some of the electrical wiring and power points on the same circuit.
Protect portable electrical appliances and extension cords plugged into the safety switch. This is essential when using power tools or electrical applicances outside that are not protected by a switchboard or power point safety switch.
Interrupts excessive current either because of a short circuit (e.g. live wire accidentally connects with the ground wire) overload (e.g. too much power is drawn by house appliances than what is allowed) or a device failure (1 or more appliances connected in the house are faulty), thus preventing overheating of fire
Trims of excess power or power surge coming out of source (to house); used mainly for electronic (computer controlled) equipment; has red light.
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