Wires for Burglar Alarms

Author: Ari Erenthal, Published on Jan 26, 2017

Most commercial and many higher end residential alarm systems rely on wired sensors. These require installers to run wires between the sensor and a control panel. In the following tutorial, we examine wire selection criteria, including

  • Resistance
  • Material
  • Gauge
  • Insulators
  • Ratings

**** ********** *** **** ****** *** *********** ***** ******* **** on ***** *******. ***** ******* ********** ** *** ***** ******* the ****** *** * ******* *****. ** *** ********* ********, we ******* **** ********* ********, *********

  • **********
  • ********
  • *****
  • **********
  • *******

[***************]

***********

*** ***** ******** ***** ** ********,****, ***************************, ****** **** ***** ** ********* ******:

  • * ********* ** * ********* ******* ***** *********** ******, ********* meaning *** ***** *** **** ** **** **
  • * **** ** * ********* **** ** *****, ********* ******, though ********* ********, *** ******** **** * ****** (********** ***** are ********* **** **** ** ********** ************)
  • * ***** ** * *** ** ***** ***** ******** ***** a ****** ******

****** *** ***** ******** ** ** ***** ***** (** ***, 18 ***, ** ***, ***.) *** ****** ** ********** (***** a *****), **** ** **/*, **/*, ***.

***** ******* ***** * **** ** *****

*** ******* **** *** ******** ** ****** ** ****: ****** two ***** ***, *** ******** **** *** *** ******** ****. No ****, *** ** ****.

* ******* ** *** **** *********** ***** ******* *** ******** terminal ** *** ***** *****, *** ** *** ****, ***** is *** ******, *** **** ** *** ***** *****, ****** a *** ******. *********, ***** ******* ******** *** *****, *** to ***** *** ******** **** ** *** ******* **** *** panel *** ** *** ******, *** ******* ** ***** *** negative **** ** *** ******* **** ** **** *** ****** to *** ***** *****.

**** ******* ******* ******** ********, *** ********* ******* ******** ***** of *****. *** *******, * ******* *** ********, *** **** for *** ********* ******* *** ******* **** ** ***** *** device. ** *** **** ** ******* *** ****** ****** ** the ***** ***** * ******* ****** ** ******* ***** *** PIR *** *** **** ** ***** *** *****, **** **** require * ***** **** ** *****.

*********, *** ****** ** ***** *** **** **** ** ******** by *** ****** ** ******** *** **** ** ***** ** the ****.

**********

********** ** * *** ****** *** ***** ******* *** ***** are * *** *********** ** ********** ******.********** ** ******** **** ***** *** **** ** ***********. ** measure **** ***** **** (****** Ω).

***** ****** ******* *** ********** ** *** ******* ** ***** than * ******** ******, ***** ******* **** ************ ** ************. If *** ********** ** *** ****, *** ***** **** **** an **** **** *** **** ****. *********, *** **** **** the ********** ** *** ** ******** **** ****** *** *******.

*** ********** ** * ********** **** ** ******** **:

  • **** ******: *** ****** *** **** **, *** ****** ********** it **** ****
  • **** *********: ****** ***** ***** (*.*., ** ***) **** **** higher ********** **** *** **** ******** **** ***** ***** ***** (e.g., ** ***)
  • ********* ********: *** *******, ****** *** ***** ********** **** ********
  • *******: ***** ****** **** **********
  • ***********: ***** ******* *** ********** **** **********

**** ******* * ****, ********** ****** ** ********** **** *** to ******** *** **********. * **** **** *** **** **** of *********** *** ******* ** **** ****** ** ***** ***** alarms **** * ***** **** *** **** * ******* ****** of ******* **.

********

***** *** ***** ********* ******** **** *** ***** *****:

  • ******
  • ****** **** ********
  • ********

****** ** *** **** ******** ****, *** **** ********* ** electricity (*** ********* *** ***** **********) ** *** ***** ****** above, ** ******** *** ********** *** *** ****** ** ********. The **** ******** ** ****** **** ******** ** **** ********* copper **** ******** *** ******** ******. ************, ****** ****** **** been********** ****** ** *********** *********** ****** ** ****.

****: **** ********** **** ****** ****** ** ****, *** **** expensive/less ********* ****** **** ** ******** ****** ********* *****.

****** **** ******** (***) ***** *** ** *********** ***** ******* benefit ** ***** **** ******** ** **** ******. *******, *** is **** **% ** ********* ** ****** *** ********* ********* resistance ** ***** ********. *** ********* ***** ******** *** **********:

******** ***** ** **** **** ********* **** **** ****** *** CCA, **** ** ** ***********. *******, ******* ** ** **** efficient **** ****** *** ***, ** ** **** **** ******** used. ***** ************ ***** ******** ** ********* **** ******** ****** wires *** ***** ***, ***** *** **** ************.

*****

*** *****, ** **** ********, ** ***** ***** **** ******** used *******:

  • ** *** (*******)
  • ** ***
  • ** *** (*******)

***** *** ************ **** *** ******* * ******** **** ********, the ********** ******** *********** ********** **** ********* ******** *** * minimum ** ** *** ***** *** **** ***** ******** *** a ******* ** ** *** *****.

*** ***** *** ******** *** **** **, *** ***** *** resistance ** *** ******** ** * ******* **** ** ******* length.

**** ******** ** ******** ********* ** *********** **** ***** (***)********. *** ****** *** ******, *** ******* *** **** **. As ** *******, ***** **** ** ******* ** ***, *** has * ********** ** ~**Ω *** **** ****. ** *** ** ******** **** *** ***** ******** **** as **** ********, *** *** * ********** ** ~*Ω *** **** ****. *** ***** ***** ***** *** ******** size ** ********* ****:

Solid ** ******** **********

***** ***** *** ** *****, **** ********** ********** ** * single ****, ** ********, **** **** **** **** ******* ******* in * ****** ******. ******** ***** *** **** ********, ****** them ****** ** ***, *** *** ******* **** **** ****** without ********. ***** ***** *** ****** ** *********. ********* ******** are ****** ** **** **** ******** *****, ** **** *** easier ** ******. ************* ********, ***** ***** *** ********* ***** terminals, *** ****** ** **** **** ***** *****.

**********

********** ******** ***** *****. ************* * ******** **** ******** *** **** ** *********. *** purpose ** ** ********* ** ** ******* * **** **** coming **** ******* **** ******* **** *** ** ******* *** wire **** ********* ****** ** ******* **********. ****** **** ********** are * ****** ***** *** ***** ************, *** *** ** quite ********* ** ******** *** ****. **** ******* ***** ** very **** *******, *** ********* ** *** ************ *********** (** opposed ** *** ********* ***********) ****** ******** ** *** ************. If *** ********** ******* ** ****** **** *** ************ ***********, store *** **** ****** ** * ****** **** *** ***** before *** ************.

*** **** ****** ********** ***:

  • ***
  • ***
  • ****** *** ***** **************

*** ** * ***** ****** *** **** ********* *********, *** can ****** ******* ** *** ************, ** **** **** ** taken **** ******* *** ****** ***** ** **********.

*** ***** *** ******** **** ********* **** *** *****, *** offer **** ********** **** ********** *** *** ******* ***** *** lower ************.

****** ***** *** ********* **** ********* **** *** *** ***, but *** ********* ***** *** **** **** ** **** *** and **** ************.

**** ***** *** ***** ******** ** *******************, ***** ******* ******* * **** ********* ******** **** ** non-toxic *** **** *** ***** ****** **** ******, ****** *** other ********** ******** *****.

*********

**** ***** ****** *** ********. *********, **** ****** ** **** between *** ***** *** *** ***** ***** ******. **** ******** wires **** ******* ** *********** ******** **** ******** ** ** used ** * ******. ******** ***** ****** ** **** ******** where ** ************ ** * *******. *** *******, ********** ***** connected ** * ***** ******* *** **** ** ** ************ and ********* **** ** ***** ** ******. ** ************ *** interfere **** ****** ** **** ******** ****. ** ************ *** cause ******** ***** ****** ** *****. ***** ******** ***** ** these ******* *** **** ******* ******* ******* *** ******* *****.

Fire ********** *******

* ******* *** ******** **** ** ***** *****:

  • ******
  • *****
  • ***/***

*** ********* **** ****** ** ******, ** ***. *** ***** in * ******** **** *** *********** *** ** ************ *****.*** *******, *** *** ******* *** ********** ******* *** *** drop ******* ** ***** ********** ****** *****. ** *** **, the *** ********* **** ***** *** ** **** ***** **** certain ************ *** **** ********** (** **** *** **** **** not **** ****** *** **** ******* *** ****** *****) *** toxicity (** **** * ******* **** ****** **** *** **** off ***** ***** ** ** **** ****** ** ***** ****.

***** ***** ** *****, ** ***, *** ******** ** ** run **** ***** ** ***** ** ***-****** *****, *** **** less ********* **** ********** *** ******** *********.

***/*** (***** * *** ***** *) *** *** ******* ******* / "** ****" ***, ******** *** ****** ***** ** **** resistance. **** ** *** ******* ****** **** **** **** ************** are *** * *******. ***** ***** ** * ***** ********* difference ******* *** *** ***, ** ******** **** *** **** interchangeably *** ******* ** ********* ***** / ******* *** **** CL2 *** ***.

Common **** *****

*** **** ****** **** *****, ** ***** ** ****** *** in ***** ******* ***:

  • ********, **********, ** ***, * ********* ****
  • ** *** * ********* **** (****)
  • ******** ** *** * ********* ****

********, **********, ** ***, * ********* ** *** **** **** commonly **** *** ********* ******** **** ** ******** ********. **** wire *** ** ****** *** (****, **** *** *** ***** stuck ********) ** ***** (*****, **** *** *** ***** ******* together). ***** ** ** *********** ********** ******* *** ** *****. The ******** ** *** ****** ** ****** ******** **********.

** *** * ********* **** (******** ***** ******)** **** ** ******* ******* ********* *** ********, **** ** PIRs ** ***** ***** *********, ** ************* ******** **** ** the ********* *********.

******** ** *** * ********* **** ** ********* **** *** notification ******* **** ****** *** ******* ******** **** ** ******* and **** *********.

****** ********* ** *** ****** ************, ***** ***** ***** (**** 24 ***) ** *** ******* ***********, ** ***** ********** *** too **** *** **** ***** *******.

Comments (3)

*** ***** *** ******** *** **** **, *** ***** *** resistance ** *** ******** ** * ******* **** ** ******* length.

* ***** ** **** ** ****** *** ********** ******* ** lower *** **********

**, *** ***** ** ******* ** *** *******. * ****** gauge *********, *** ***' ** ** ** ** ***** ** have **** ********** **** ***' ** ** **. *** ***** conductor *** **** ******* **** ******* ** * ******.

**** ** ******* **********. ***** *** **** ****** ********* ****** **** *** ****** when *********** ******* **** *** * ***** ****** ** ***** in * *******.

* ***** **** ** *** **** ********** ** ****** *********, intermittent ******* *** **** *** ****** *** *** *********. ** experience ** **** **** *********** ***'* ********** *** **** ***, or *** ******* ********* ********. ******* ****** ********* *** ****** when ***** *** ****** *** ***** *****!

***** *** *** ** **, *** ***** * ********** ** surge ***********?

Login to read this IPVM report.
Why do I need to log in?
IPVM conducts unique testing and research funded by member's payments enabling us to offer the most independent, accurate and in-depth information.

Related Reports

IP Camera Cabling Testing Statistics on Aug 22, 2017
Test and certify, or crimp and pray? Some integrators certify every cable they run, while others only inspect cables that have video issues. 130...
IP Networking Course September 2017 on Aug 17, 2017
This is the only networking course designed specifically for video surveillance professionals plus it includes live training, personal help and...
Cat 5e vs Cat 6 vs Cat 6a Network Cable Usage Statistics on Aug 16, 2017
Cat 5e? Cat 6? Cat 6a? What do integrators use in practice, today? 140+ integrators told IPVM. Here are the results: For those who want to...
IP Camera Specification / RFP Guide 2017 on Aug 14, 2017
RFPs are hard. Do them 'right' and it takes a lot of knowledge and time. Do them 'wrong' and you can be (a) unwittingly locked into a specific...
Rebooting IP Camera Statistics And Practices on Aug 10, 2017
Dahua cameras automatically reboot weekly, by default. Is this an innovation by the Chinese mega-manufacturer or a sign of a problems? 125...
Most Common Network Termination Usage Statistics on Aug 09, 2017
How do integrators decide which brand of patch panel or keystone jack to buy?  140+ integrators told IPVM which manufacturers they trust and what...
Competing Against Schneider Electric on Aug 04, 2017
Schneider Electric overall does ~$30 billion USD annual revenue. One of its many parts is a building / security systems integrator. Another is...
Hikvision Releases Network Cabling on Aug 04, 2017
Hikvision's expansion continues. From cameras to analytics to thermal to intrusion to access to... network cabling. Hikvision explained: A...
Access Control Commissioning / Install Checklist on Aug 03, 2017
This 80+ point checklist helps end users, integrators and consultants verify that access control installation is complete. It covers the following...
Most Commonly Used Network Cable Brands on Aug 03, 2017
Every IP camera project uses network cabling. And integrators typically buy such cabling in bulk. But what are the top selling or favorite bulk...

Most Recent Industry Reports

FLIR Restructures Security Division on Aug 22, 2017
FLIR's goal was once to have a single end-to-end security solution. However, FLIR's Security business unit has been struggling, with several areas...
Honeywell Total Connect 2.0 Tested on Aug 22, 2017
Honeywell is one of the biggest brands in security, with Total Connect 2.0 being the company's remote security and smarthome platform. We bought...
IP Camera Cabling Testing Statistics on Aug 22, 2017
Test and certify, or crimp and pray? Some integrators certify every cable they run, while others only inspect cables that have video issues. 130...
Dahua 4K IR PTZ Tested on Aug 21, 2017
4K has made its way to IR PTZs. In this report, we examine the Dahua 6AE830VNI, a 4K PTZ with 30x optical zoom, 200m (~650') integrated IR, and...
Top Used License Plate Capture Cameras on Aug 21, 2017
Capturing license plates is a common video surveillance application. But what cameras do integrators mostly commonly used? Special purpose LPC...
VLAN For Video Surveillance Usage Statistics on Aug 21, 2017
VLANs (see our tutorial) are an option for networks using video surveillance, but how often are they actually used? 125+ integrators told us how...
Avigilon CEO Attacks Asian Companies Cyber Insecurity on Aug 18, 2017
Avigilon CEO is taking aim at their Asian competitors. And he is going directly after these company's cyber security issues. In this note, we...
Sony Next Gen HD Dome Camera Tested (SNC-EM642R) on Aug 18, 2017
Sony has released their latest generation, claiming improved WDR and low light, increased IR range, and more. We tested the SNC-EM642R outdoor IR...
IP Networking Course September 2017 on Aug 17, 2017
This is the only networking course designed specifically for video surveillance professionals plus it includes live training, personal help and...
Knightscope Raises $10 Million With $3,320 Average Per Investor on Aug 17, 2017
Congrats to Knightscope. And condolences to their legion of little investors. Knightscope has disclosed they have raised $10+ million from their...

The world's leading video surveillance information source, IPVM provides the best reporting, testing and training for 10,000+ members globally. Dedicated to independent and objective information, we uniquely refuse any and all advertisements, sponsorship and consulting from manufacturers.

About | FAQ | Contact