Tagged Questions
3
votes
2answers
148 views
Can I use the wiring from a disabled home security system to power wireless cameras?
My home has an old security system which has long been disabled.
I'd like to be able to use the wiring for the sensors to possibly provide DC power to some wireless IP security cameras in various ...
6
votes
7answers
241 views
Projects to Pursue while Studs are Bare?
I'm stripping my small 950 sq. ft. 1950's-era home to the studs -- walls and ceiling -- so that I can install a vapor barrier and insulation in the walls and ceiling. While I have the studs available ...
4
votes
1answer
387 views
How do I choose a recessed alarm contact switch?
With so many window and door recessed contact switches, how does one decide the best one for the application?
I was leaning towards Ademco 3/8" Diameter Miniature Press Fit Magnetic Contact, for ...
4
votes
3answers
887 views
How Do I Plan for an Intrusion Detection System?
I would like to plan for an intrusion detection system in a home that is currently under construction. The home has a walkout basement that is sloping, shown in the rear elevation picture shown ...
2
votes
1answer
152 views
How can I replace an integrated security light with a solar powered version?
Above our front door, we have (for want of a better word) a security light. This light can only be controlled by a switch near the front door. The light switch for the is just one of three on the same ...
5
votes
3answers
1k views
Why energy saving bulb flashes when the switch is off?
I have a energy saving spiral light bulb in my kitchen. In exactly every 27 seconds, the first segment of the bulb faintly flashes when the switch is off. And not once, repeatedly every 27 seconds. ...
6
votes
3answers
738 views
Environmental protection for computer equipment in unheated garage
I live in Minnesota, and I have an unheated, detached garage. I would like to place an "offsite" data backup device (possibly a NAS) in the garage, which I should be easily able to connect to the ...
1
vote
1answer
298 views
How to install 230V Light with Light-activated-resistor?
I am trying to set up light-activated-resistors that activate a light during dark hours. I have bought a ready Chinese thing that apparently contain a driver to change from AC to proper DC output for ...
3
votes
3answers
2k views
Can I tap into an exterior light in order to power a security camera?
I have an exterior light (shown below) that I was wondering if I could tap into, in order to power an outdoor IP cam. I understand I would have to pull appart some cables and potentially purchase ...
2
votes
1answer
250 views
what parameters should I look for when choosing an electric deadbolt?
I am looking for electric deadbolts for external steel doors - to place several of them on a door - one on each side (top, bottom, left, right) for extra security.
I want to buy just the deadbolt ...
2
votes
2answers
212 views
What the heck is/was this keypad for?
I recently noticed this keypad on our front porch. As far as I can tell, it's not connected to anything. Does anyone know what it was for? A security system perhaps? Garage door?
