Answer / rk

Possibly when any devices are connected in series wiring
connection if any fault happens in a device other devices
also gets effected, so in parallel wiring connection only
that device gets effected which have got fault.

Answer / pradeep kumbhare

IN SERIES CONNECTED SYSTEM, IF ANY DEVICE IS GETS DAMAGED
THEN ALL THE SERIES NETWORK DOESNT WORK.
ON THE OTHER HAND IN PARALLEL CONNECTED NETWORK ALL DEVICES
CONNECTED IN PARALEEL HAVING SAME POTENTIAL.
SO NO ANY POSSIBILITY TO HANG THE NETWORK WHEN ANY DEVICE
GETS DAMAGED.
DUE TO THIS REASON ALL THE DEVICES DESIGN ON THE BASIS OF
THE PARALLEL CONFIGURATION.

Answer / rajkumar

in parallel connection the input voltage is same.current various depending upon the load.(v=230)

Answer / kj

I don't know if this is what you are asking.

As the current needed increases the wires must be increased
in size. Parallel wiring is used once the current reaches
the maximum for the available size of wires. It is also
used where the larger size wires are too heavy to handle in
the space for connections.

In normal circumstances for example in a house all the
equipment is connected in parallel. Otherwise all the
lights would have to be turned on at once and everything in
the kitchen will have to be turned on. This is because the
current must flow through all the lights between phase and
neutral. If one bulb stops working all the lights will go
out.

How phase displacement change in the over current relay coils.

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