Old Tenby 2 way 2 gang light switch terminals not labelled

[Simon_]

Replacing some old Tenby switches. The upstairs landing and hall are 2 way 2 gang with 6 terminals. The switch has the old thin switches with arched top and they aren't labelled on the back. It looks like COM L1 L2 on each side. Anyone have much experience with this type of switch?

 

[Knobhead]

COM L1 L2 are the same on any 2 way switch. Just don't mix up which side you took them from.

 

[Simon_]

These appear to be in a line rather than com at top and then L1 L2 at the bottom for each side.

 

[Knobhead]

There will be a diagonal line across the back of the switch. That is the dividing line between the two halves. It forms two triangles the two points on the base being L1 & L2 the apex is C

Or try getting your test set on it.

 

[Jabbajaws]

This problem can be easily rectified by removing the switch and testing across the switch, with a continuity tester. Shouldn't take too long, using this method...