hi people
can someone please help me or explain what this wiring is called.
we have a with loft room (hallway)
double light switch on ground floor turn on lights on ground floor and landing lights.
the double switch on landing controls lights on landing and light on 3rd floor.
on the 3rd floor there is a single switch
thank you
can someone please help me or explain what this wiring is called.
we have a with loft room (hallway)
double light switch on ground floor turn on lights on ground floor and landing lights.
the double switch on landing controls lights on landing and light on 3rd floor.
on the 3rd floor there is a single switch
thank you

