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Anti-Leakage Protection

Appointment of Anti-leakage protection at indirect touch, in the form of protection against leakage by turning off at an unacceptably high voltage electrical circuit by touching the frame. In other words, residual current circuit breaker (RCD) – a high-speed circuit breaker, which responds to the differential current in the wires (leakage current). This device helps people with electric shock, and also provides protection against fires and fires that occur due to malfunction of electrical wiring. Cases of UST: In cases of damage to the insulation of wires in electrical appliances. For example, within washing machine damaged insulation on the phase conductors, which he referred to the case. ust immediately turn off the electricity, because the current, who went to the apartment on the phase wire, did not return to the rcd (the cabinet machines he conduct a 'grounding' is back in the panel, bypassing the rcd and, consequently, the incoming and outgoing currents through the rcd have been different). By careless handling of electrical wiring. Here is a classic example.

Man drills the wall, leaning bare foot on the battery, and gets into the live wire. Current passing through the chain 'metal casing drill – arm – chest – leg – the battery' cause paralysis of the heart and / or respiratory arrest. But if there is a ust, it just 'feels' that part of the current did not come back (the part that went through the man and went into the battery). Voltage will be turned off so rapidly that the troubles will not happen.