Two way switching is most commonly found on stairs and landings and long corridors. Basic multi point radial lighting circuit.

2 Way Switching Diywiki
Wiring diagram for two way lighting circuit. These diagrams show various methods of one two and multiple way switching. By wiring a 2 way switch the circuit below shows the basic concept of electricity flow to the load. 2 way switching means having two or more switches in different locations to control one lampthey are wired so that operation of either switch will control the light. The electricity flows from the hot wire black through the 2 way switch shown in off position and then to the light and returns through the neutral wire white. Hint if you want to make a switch opperate the oposite way up identify which type of switch you have and swop the two right hand side terminals identified in the above diagram over. L and n indicate the supply.
Two way switching is the most common requirement for many household and commercial lighting solutions. Earth wires are not shown. Two way switching 2 wires. Multi point radial lighting circuit new cable colours multi point radial lighting circuit old cable colours old multi point radial lighting diagram using junction boxes. Switches are shown as dotted rectangles. Lets assume the load you are controlling is a light.
2 way light switch 3 wire system new harmonised cable colours 2 way switch 3 wire system old cable. Whether it is the switching of a light from two different places inside a domestic dwelling or switching a series of lights in a commercial environment two way lighting circuits provide a cost effective and. Two way lighting circuit wiring. Two way lighting. The most basic circuit with only two wires at the switch. This arrangement is often found in stairways with one switch upstairs and one switch downstairs or in long hallways with a switch at either end.