thanks for the responses.
attached pic illustrated the config I’m looking for.
due to the application, I need a remote control for some of the time and a PIR will not cut it.
Erm, yeah, er, no. I think you need a two way switch, one position as direct supply, one to route through the LW400. I still don’t see the point though. I think you need to go back to the application this is for.Chester
Thanks, Chester, the 2 way switch seemed to solve the issue of shorting the LW400 (wiring diagram attached).
I know it’s an odd scenario, but it may help another one day
Although the above method will work fine as an on/off mechanical switch, it has the drawback that you cannot use the link when the load is switched on. You do have another problem and that is that if the switch is on at the time of a power cut, then the occupant goes out, the light will come back on when power is restored.
Why not just use a battery operated lightwaveRF switch, as the default state is off after a power cut. In other words an action of on is needed to turn the light on. This then can be used as a normal light switch.
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