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1
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2answers
495 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 ...
2
votes
4answers
126 views

Secret documents digital safes without an overriding key? [closed]

Are there any safes which can be opened with a programmable keypad combination or thumb fingerprint but do not come with a key? I am concerned about the fact that if somebody steals my key they will ...
0
votes
0answers
14 views

Adding a second 4219 expander to a Vista 20p, power deficit during alarm?

I have a professionally installed Vista-20p based system which I am attempting to expand (all wired). The initial Vista 20P & 4219 Extender used all 16 of the available zones. It has a battery ...
1
vote
2answers
99 views

Filling Gap Between External Door Frame and Wall - For Securing Strike Plate Screws

What can I use to fill a gap between a door frame and the wall, at the location where the strike plate screws will be anchored? I recently installed a new external door frame where the wall ended up ...
5
votes
7answers
20k views

How should I wire for a security system during construction?

I would like to run wires in anticipation of a future hard-wired security system. However, I have yet to find any information that pulls everything together regarding what is required. From what I ...
1
vote
7answers
212 views

Should I lock the door between my garage and my house?

My house has a garage. The garage has a "garage opener" - so when I leave home, I press a button and the gate lowers. There's a door between the garage and house. What level of security do people ...
0
votes
2answers
32 views

Type of wire to be used for alarm system [closed]

I am putting new metal siding on a building that needs to be extremely secure. I am planning on running wire up and down the building before the siding goes up. This is so if someone tries to cut ...
2
votes
1answer
57 views

Need help identifying security wiring

I'm in a new construction home, and the builder is basically blowing us off on questions about the wiring (what's that switch/wire/plate for sorts of things). My focus for this Q is the security ...
2
votes
4answers
330 views

How should I run power wiring and Cat-5 to the perimeter of my huge yard?

I have a house that sits on about 4 acres of land. There is a very large front yard and an even bigger one in the back. I want to get both power and Ethernet (for security cameras) located at various ...
1
vote
1answer
878 views

Should I use a screw or anchor bolt to hold a metal box to the wall?

Which type of bolt is best for securing a metal box to a wall to prevent it being pulled away: Screw Bolt or Anchor Bolt? And by Screw Bolt I mean this: And by Anchor Bolt I mean this:
4
votes
1answer
1k 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 ...
1
vote
1answer
979 views

Unplugging Alarm System

The house I am had an alarm system put in when the house was being built. The previous owners of our house used it but we haven't and all its been is a pain in the butt. Before it would beep when ...
1
vote
1answer
149 views

Security for Outswinging Door (Patio) Not Sliding door

I live on the 1st floor (Ground floor) in an apartment complex. The door opens outside into the patio not inside to the apartment. How do I secure the door while we are inside the apartment? Any ...
7
votes
6answers
5k views

Is it worth having two locks in exterior doors?

I've noticed that some places have a lock in the knob and a deadbolt in the exterior doors, and some places have a knob without a lock and just a deadbolt. Is there a benefit to having a lock in the ...
11
votes
5answers
20k views

How to tell if your locks are bump proof?

I was reading about lock "bumping" where burglars buy 'bump' keys and can open locks very quickly. I was also reading that some locks are bump proof (double chamber perhaps?). My question is: how can ...
1
vote
3answers
289 views

How do I keep the door jamb moulding from pulling away from the wall when hardware is screwed in?

Total novice here. My wife wants one of those security door guards (a hinged arm that swings open to a point) on the door. I had bought the hardware, but put it off when the provided screws turned out ...
1
vote
1answer
199 views

Is it okay that the earth wire is exposed when installing an outdoor security light?

I have just installed an outdoor security light with a junction box I bought (weatherproof). I wired the old red source wire to the new brown, old black source wire to the new blue in the terminal ...
0
votes
0answers
30 views

Motion sensor Installation

I have to fix a motion sensor (PIR) in the corner of a room. What type of adhesive will stick the plastic sensor casing to a Gyprock surface? Thanks, Richard
2
votes
3answers
152 views

How wide can a sliding door be open, before it becomes a security risk?

I have a sliding door in my bedroom that I would like to put a deadbolt in and have it left open at night to let a breeze in, but I don't want anyone to be able to get in while I'm asleep. Is there a ...
1
vote
2answers
376 views

Is this patch panel used for phone, security, or data?

I just moved into a townhouse. Each bedroom has a CAT5e panel on the wall. I've went up in the attic and I can see the blue ethernet cables running from each bedroom to a central location right above ...
7
votes
4answers
243 views

Door lock and unlock based on authorized user proximity

I want to install an electronic lock on my office/workshop that only a specific individual(s) can unlock. I want it to lock every time the door is closed and the room is empty but I do not want to ...
1
vote
0answers
212 views

How can I secure an outwardly opening front door without damaging anything?

This is a rented house in Japan (single room). It has an outwardly opening front door. The resident (a single woman) has fear of intruder breaking in. Also, damaging/modifying the door or the wall is ...
1
vote
2answers
84 views

What type of security sensors should be used in a three bedroom house?

I have just purchased a house and am hoping to install SimpliSafe throughout. I have 3 bedrooms: mine, my children's, and my office. Would window sensors be best in all these rooms, and then motion ...
2
votes
4answers
135 views

How can I remove this screw?

Any one know how to open this screw? Tried pliers but no avail and standard box of security screwdrivers couldnt open it. Here are some more photos
1
vote
0answers
74 views

Home security sensor for windows [closed]

I have aluminum louver style windows all around my house. I would like to know what type of sensor and placement would be necessary for a home security System.
0
votes
1answer
34 views

Home security alarm system in the uk [closed]

Can anyone suggest the best home security alarm? Most famous one is ADT in the uk which is monitored alarm system. Is it non-monitored alarm system much secure than monitored one? Can some one please ...
8
votes
6answers
29k views

How to secure a doggy door from intruders?

I installed a doggy door so that our dog can go in/out when it has to go to the bathroom while we are at work/away. It lets him out into our fenced in backyard. The gates are deadlocked, but ...
7
votes
5answers
6k views

How can I fit a Schlage lockset in my front door?

I moved into a condo with a Kwikset lockset in the door. I wanted to replace it with a Schlage lockset, but the actual bolt portion of the deadbolt was too large to fit into the pre-drilled hole. If ...
2
votes
3answers
806 views

Can someone unlock a locked door and lock it back again without the key?

Is it possible for someone to unlock your front door get into your house and then lock the door again without being supplied with a key?
7
votes
4answers
17k 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. ...
0
votes
0answers
70 views

How I can remove this Ingersoll window bolt?

I have a small window with security bolts which have become rusted and unusable. However, I can't see how to remove them without forcing them off and damaging the wood. Anyone seen these types before ...
2
votes
1answer
178 views

Which cylinder door lock shield design is most secure?

I'm planning to place a shield on my front door and would like to know which of the 3 shield designs is the most secure option and why. Basic design characteristics: Top Left: the outside part of ...
0
votes
2answers
718 views

Why aren't my PIR security lights working through my window?

Can any one help? I purchased a solar powered PIR security light, with the intention of putting it inside my kitchen window. The PIR would be inside the window, but this does not work. When I go ...
1
vote
1answer
118 views

Outdoor HD ip camera - what do I need to take into consideration?

I'm in the market for an outdoor weather proof HD IP camera that can be remote controlled from a web-browser and can join a WLAN but gets power over a cable. I'm good with computers but new to the ...
9
votes
4answers
7k views

How should I position a motion sensor?

When planning motion sensor placement for a security system, is it preferable to install it facing windows, or not?
0
votes
1answer
154 views

Is it safe to oil a lock? [duplicate]

I have a very sticky door lock, is it safe to oil it with standard household oil? Will oil degrade the security of the lock in any way? If it's safe, how should I apply the oil?
1
vote
2answers
782 views

What is a safe maximum amount to leave a window open?

We have sash windows and got broken into last week due to poor security (just internal latches). I want to install better locks on the windows to prevent the windows being opened past certain ...
1
vote
2answers
467 views

Will I have to install new cables when converting from a SD CCTV system to HD?

After a breakin soon after moving into our house, we used our cash reserve to improve security. One of these updates was an 8-channel DVR with four external CCTV cameras. The DVR exposes the cameras ...
31
votes
11answers
10k views

How do I secure my house against intruders?

What are some suggestions for securing your house from an intruder? Right now we have a GE Simon XT alarm system, but it doesn't cover breaking a window. We put some PVC pipes in the tracks of the ...
7
votes
3answers
3k views

What is this kind of security bolt head called, and how can I remove it?

A previous owner fitted the light fitting pictured above, and has not left me a tool to remove the bolt. The bulb has blown so I need to get in to the unit. The head diameter is about 12mm and the ...
9
votes
7answers
8k views

Can a locksmith open a deadbolt lock?

I wonder how secure my deadbolt lock is. How difficult is it for a professional to open such a lock?
6
votes
4answers
3k 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 ...
1
vote
1answer
189 views

Home security system recommendation

I want to purchase a DIY wireless home security system. For the moment, I do not want to pay a home monitoring service and prefer to be informed of my alarm status via the Internet (WiFi and ...
1
vote
2answers
368 views

Are garage door locks that cannot be opened from the outside available?

I would like to replace my garage lock with a lock face that does not permit opening it from the outside. I don't have a key to it anyway, and right now it's the weakest link of my home security. ...
2
votes
1answer
132 views

How do I apply BNC connectors without breaking them?

I have some RG-59 coax cable and I want to terminate it with BNC compression connectors. I bought some compression connectors, and what I think is a pretty good quality compression tool — the Liberty ...
1
vote
2answers
535 views

What type and length of wiring for home security system?

I'm slowly remodeling my house one room at a time. I'm to the point where I need to wire a window for the future alarm system. This post talks about how to wire a home during new construction for a ...
4
votes
1answer
231 views

Are there any alarm system panels, control boxes, etc. that have a kind of API for software to access?

I am basically looking to build an advanced alarm system for my home. I have previously used FrontPoint Security which offers a service through alarm.com. This basically gives me access to arming and ...
2
votes
2answers
197 views

How can we security manage keys for a co-op building?

After having some security incidents in our building, we have decided to change the locks and we are looking at a solution whereby we (co-op board) can give out to residents keys that cannot be ...
1
vote
3answers
812 views

What steps should I take to figure out which alarm model I have and how to go about installing a missing sensor?

My home has a central alarm system with keypad and every door and window set up with a sensor except for 1. This 1 sensor was removed when the previous owners replaced the frame, and it keeps the ...