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LAMP CONNECTIONS

 LAMPS IN SERIES
If several lamps are connected in series they will all be switched on and off together by a switch connected anywhere in the circuit. The supply voltage is divided equally between the lamps (assuming they are all identical).

LAMPS IN PARALLEL
                   If several lamps are connected in parallel each one has the full supply voltage across it. The lamps may be switched on and off independently by connecting a switch in series with each lamp as shown in the circuit diagram. This arrangement is used to control the lamps in buildings.

This type of circuit is often called a parallel circuit but you can see that it is not really so simple - the switches are in series with the lamps, and it is these switch and lamp pairs that are connected in parallel.




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