neutral wire of the circuit

phase wire of the circuit

switch (half) wire of the circuit

earth wire of the circuit

3.5 metres

3.05 metres

2.55 metres

2.05 metres

Two way switch

Intermediate switch

Two plate ceiling rose

Three plate ceiling rose

to avoid transfer of heat from power cables to control cables

to avoid the mixing of both cables

to make good appearance of wiring

to avoid the wrong connection of both cables.

To avoid loose connection of the terminals

To increase more mechanical strength

To relieve the strain from the terminals of the accessory

To prevent the excess wire outside the cap cover