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 current circuit breakers which instead detect leakage current directly.
Read more about Earth Leakage Circuit Breaker: Purpose, History, Types, Operation, Advantages, Disadvantages
Famous quotes containing the words earth and/or circuit:
“The earth is not earth but a stone,
Not the mother that held men as they fell
But stone, but like a stone, no: not
The mother, but an oppressor, but like
An oppressor that grudges them their death,
As it grudges the living that they live.”
—Wallace Stevens (1879–1955)
“each new victim treads unfalteringly
The never altered circuit of his fate,
Bringing twelve peers as witness
Both to his starry rise and starry fall.”
—Robert Graves (1895–1985)