Question { Siemens, 72823 }

how to calculate circuit breaker capacity

Answer

we can consider circuit breaker capacity for particular
feeder depend upon the 1.2 times of full load current for
receiving end equipments

Question { ABB, 15909 }

What is Single Phasing fault???(not single-phase fault)

Answer

In 1 of the three phases,any of one phase was get affect
due to unbalance of cable or busbar champer with breaker
isolator connection get loose,it will reflect by no current
and less voltage on that particular phase and utilisation
of equipement also shown problem on that phases. i was
faced this problem in previous plant as from lighting
distribution panels problem..

by S.venkatesh

Question { 4645 }

What are the fire Estingushers use in electrical fire?

Answer

Fire Extingusher B and C type will use in wherever
electrical fire accident happend,Because that two types
only having fleroside quenching type of cabability material
was contain while manufacturing