If replacing an existing switch note the location of the terminals and the colour and position of cable connections. Below is a given schematic circuit to control a light point from three different places by using two 2 way switches and intermediate switch in the middle of stairs.
Wiring 2 Way Switch Diagrams Intermediate Switch Wiring 2 Way
Wiring a intermediate light switch. It is possible to bring all of the wiring into the ceiling light electrical box and wire your 3 ways and 4. The typical example of this is on a landing in a house when perhaps there is a switch at the bottom of the stairs one at the top of the stairs and one at the end. The diagram shows the common method of wiring an intermediate switch into a two way light switch circuit. The wiring connections on 4 way switches varies between manufacturers. Because the electrical code as of the 2011 nec update requires a neutral wire in most new switch boxes a 3 wire cable runs between the light and switch. This page shows it wired in the old cable colours if your house has the new colours you want to go here.
Intermediate switches can be used for 1 and 2 way switching. It is used when you have three or more switches controlling one light the middle switch needs to be an intermediate light switch. This allows a single light to be turned on or off from any of the switches. The red and black are used for hot and the white neutral wire at the switch box allows for powering a timer remote control or other programmable switch. The intermediate light switch is used where three or more switches control one light and used in conjunction with two two way light switches to achieve this. This is an updated version of the first arrangement.
Here we have a 3 way switching lighting circuit sometimes called two way switching with intermediate. An intermediate switch is a three way light switch. Four way switch wiring instructions inside the switch packaging. Sometimes there is only a switch wiring diagram printed on the inside of the 4 way switch package box. It is effectively two single gang intermediate switches on one face plate. Staircase wiring using intermediate switch.
Gallery of Wiring A Intermediate Light Switch
