Richard Russell wrote:

"Dave Liquorice" wrote:

Insteresting but that only works with 2 switches. The OP has 3, hence "3
way"... B-)

It can easily be extended to 3 (or more) switches:

http://www.rtr.myzen.co.uk/neon.gif

Provided the intermediate [switch is|switches are] between the lamp and
the right hand switch?