John B wrote in message ...
In BigWallop wrote:

"JohnB" wrote in message
...
Hi
The new one has 3 connectors L1, L2 & then another with a strange
symbol

Can you describe the funny symbol please.

It looks like the "approximately" symbol (~) or an "s" on its side with
a forward slash through it a bit like this - but "curvy"

____ /
/ \/
/\____/

Cheers

John

IIRC, this indicates the switched AC output, so would be the live
output going to the load. Check the connections on the dimmer
(*unconnected to anything*) with a continuity tester (with multimeters
from Maplin so cheap these days, there's no excuse not to have one!) -
you may find that L1 and L2 are actually commoned to allow further
switches to be daisychained.