What is the difference between L1, L2, and L3 switches, manageable and non-manageable switches? - Quora
Brought garden light, went to remove the switch that the old one is attached to, the terminals on the switch are just labelled L1, L2 and L3 has no common.The new light
lighting - 2 way 2 gang switch wiring - Home Improvement Stack Exchange
Types of Lighting Switches
Smart Switch Installation - Wiring | Screwfix Community Forum
wiring - How do I change a 1 2 light switch to a L1 L2 com light switch? - Home Improvement Stack Exchange
Another light switch wiring question! - Page 1 - Homes, Gardens and DIY - PistonHeads UK
2 Gang Switch Connections Explained - Taking the Feed to the Switch - YouTube