The 3-way is just one master x10 switch and one slave x10 switch.
If I am not mistaken, you should be able to just add an additional slave
x10 switch to the setup, and you will then have what you need.
That is all there is to it: outside of making sure it is wired
From: Jeff Burricelli [mailto:jefbur@...]=20
Sent: Sunday, June 30, 2002 12:41 AM
Subject: [misterhouse-users] 4-way light switch?
I have 3 light switches that all control the same 2 lights, upstairs and
downstairs hall lights. I believe this is called a 4-way switch? I've
looked around and have only seen a 3 way X10 switch. Does anyone know
of any X10 compatible 4-way switches out there? Or have any suggestions
how I can get these lights controlled by Misterhouse, other than
re-running the circuits and switches?