On Wed, 25 Feb 2009 09:28:53 -0800 (PST), robgraham wrote:

My current workshop is attached to my single storie house which I have
become aware of being a fire hazard, so I'm building a new one
attached to the garage

"Workshop" implies power, if only for light, so no doubt you will be
diging a trench for that. Just bung in another duct for LV stuff and run a
few CAT5 cables through it for network, alarm and phone use.

Pretty sure Maplin have simple alarm module kits.

--
Cheers
Dave.