Answer / rvg

Fire pumps are emergency equipment, and even if there is
earth leakage, it should work uninterrupted.
So ELCB's are not used with fire pumps as per NFPA norms

Answer / prabakaran

Fire pump is used high rating pumps.its running sudden time at time elcp means automatically fall down because fire pipe connection is their in entire building so complesery connect any electrical distortion.so automatic ELCB tripped

Answer / a.alexander

1.reduce electrical short circuit.
2.reliability.
3.safty
4.fast working

Answer / pawan dahiya

ELCB full name earth leakage circuit breaker , normaly
ELCB used in main control line & very senstiv eqpment and
ELCB link in VCB\ACB etc. Earth leakage time going to
single in VCB\ACB so main breaker trip . But fire pumps do
not used becouse fire pumps is very emergency system.
becouse ELCB leakage time do not running the fire pumps.
fire pumps used only two earthing

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