On 02/06/2019 09:02, ss wrote:
On 02/06/2019 08:54, Adrian Caspersz wrote:
Stick a bulb across, one of the lives and neutral. Then put the power
back on.

Either the bulb will be controlled by the light switch or not
(permanently on).

I assume using my cheap multimeter I could do the same and check for
voltage?

Yes. Look for changes when you 'modulate' the light switch.

--
Adrian C