Wiring two-way and intermediate switches correctly can be a challenging job, but with careful planning and the right tools, you can handle it on your own. With the help of a wiring diagram and detailed instructions, you can install two-way and intermediate switches safely and efficiently.. 2 1 Lamp/s Dotted lines show alternative switch positions Two-way switching plus intermediate switching - 2 wire control L N
A UK guide to 2-way light switch wiring, with diagrams, step-by-step instructions, converting a 1-way to 2-way, intermediate switches and smart dimming.. The diagram shows the common method of wiring an intermediate switch into a two way light switch circuit. Intermediate switches can be used for 1 and 2 way switching.