Such an arrangement is not permitted as isolating only one of the circuits leaves live wiring depending on the position of the light switches. More common in domestic properties.
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Hall and landing light wiring diagram. How to wire a 2 way light switch. Pouse around the house 300260 views. Youll then need to run 3coree cable from the downstairs switch to the upstairs one. Two wires of any colour linking the other two terminals connect to switch 2. The light fitting has two gangs labelled l at the top and l1 bottom left l2 bottom right. From the upstairs switch you will also run a 2coree cable to your wiring point ie.
Twinearth from the ceiling rose to the first switch and three wires between the switches usually 3 core and earth cable. 2 way lighting explained. You need two 2 way switches one in hall and one in landing. Generally the downstairs switch is a 2 gang and it switches the hall light on from one side of the switch and switches the landing light on from the other gang the landing light generally switches from upstairs as well via a 1 gang switch this is a 2 way. Wherever its convenient to fit a junction box. You will need a 2 way light switch in each location up and down stairs.
The two lights will be connected in parallel together. Brown from switch 2 to connect to light. I have a problem with my hall and landing lighting. Two way switching 3 wires. Downstairs is a two switch light fitting upstairs landing is a one switch fitting. Discussion in electricians talk started by bryn2020 feb 16.
The downstairs light has two sets of wires supplying power to the switches each wire carries one red and one black wire. Return blue from light to mains. Mains brown to common on switch 1. Its a basic 2 way circuit.