Answer / arun

The main lighting distribution box to switch box wiring
connection is called main lighting circuit and then switch
box to one more switch box wire coonnected is called
looping circuit.

Answer / vipul bhavsar

LOOPING CIRCUIT is that in which the loop are given between
two light fitting a single cable connected to multiple
fitting that's y it called loop.

Answer / meenakshi

i donno whether this is the exact answer....plz check it ppl

Loop type lighting circuit
In this type, a twin and earth cable runs from the consumer
unit to each of the ceiling roses one after the other.

From each rose, another cable is run to the switch which
operates that light.

source : http://www.diyfixit.co.uk/electrics/lighting-
circuits.html

Answer / virendra

Dear friends.

The looping circuit is any circuit which is taken from the
first point feeding from the primary circuit ( primary
circuit is the first end of circuit from DB - MCB )

Answer / kumar

thank u mis...could u tell me whats the meaning of twin
cable in electrical lighting circuits......

also i got another question... that is what is booster? and
how it is connected in a circuit?

Dg daily a check duration

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