An Earth Leakage Circuit Breaker (ELCB) is a safety device used in electrical installations with high earth impedance to prevent shock. It detects small stray voltages on the metal enclosures of electrical equipment, and interrupts the circuit if a dangerous voltage is detected. Once widely used, more recent installations instead use residual curr...
Found on
http://en.wikipedia.org/wiki/Earth_leakage_circuit_breaker
Device for protecting electrical appliances from excess current. An earth wire connects the appliance from the plug point to a metal plate in the ground. If excess current flows through the appliance the current will flow through the earth wire in the plug and directly towards the metal plate in the ground. This is called the earth leakage current....
Found on
https://www.encyclo.co.uk/local/21221
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