Cabling Through Firewalls

Author: Brian Rhodes, Published on Oct 02, 2014

Installing cables through firewalls is a classic installation issue. While avoiding them is preferred, sometimes doing so is unavoidable. Understanding how to do it right can be the difference between spending significant money rerouting cables or creating a serious safety issue.

In this note we examine cable firestopping, getting approvals, understanding rating and contrasting methods including Caulk / Putty, Conduit / Cable Tray, Grommets.

********** ****** ******* ********* ** * ******* ************ *****. ***** avoiding **** ** *********, ********* ***** ** ** ***********. ************* *** to ** ** ***** *** ** *** ********** ******* ******** significant ***** ********* ****** ** ******** * ******* ****** *****.

** **** **** ** ******* *****************, ******* *********, ************* ****** *** *********** ******* ********* ***** / *****, ******* / ***** ****, ********.

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

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********* ********** *** ***** *********** **** '***********' ******** ********* **** CMUs (************), ******* *********, ** ******** '**** **' ******. **** are ********* ***** * '**** ******' **** **** *** ** directly ** ******* ** **** **** *** ***** ****** ***** compromised. ** ****** ************, *** *** ********* * ** * hour *******, ******** ** ****** ******* *** ***** ********** ** many *****. ***** ** ** ******* ** ***:

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*********** ********* **** *****, ********, ** ***** ******* ** *********, but ** **** **** **** *****, ****, *** ***** **** spreading. *** ************ **** **** ** ****** *** ****** ** the ****, *** '***** ** *****' ******** * *** ** selecting ** ******** ****** *** ********** ** *********.

Approval ******

**** * ******** ***** ** ** **********, *** ***** **** is ******* *** ******** ** *** ******** ******* ** ***** AHJ. **** ********** **** ******* '** ************ *** *** ******' policy **** **** ** *******, **** ** *********** *********** ********* exist.

*** ***** *********, ********* ********* ** **** *********** *** **** approved ***************************** **** **** ** ****, ** **** **** ** ********* by ******, ******* ***********. ** ***** ********* ************ *** ** place, ********** *** *********** ***** ** **** ********** ** ****, labor ***********, ** **********.

Overview *****

*** (************* **** *******) **** ***** ***** *** ********** ** ************************** ************. ** ******** ** *** ********* ******* *** *****, but ******** ** *:**, * **** **** ***** *** ****** of ********** **** *********.

**** ** '**** *****' ******** *** ****, **** *** *** perform ********* ** ********* ********** ** *** ** ****. 

System ********

************ ******** ***** ***** * '******' **** ******* ******* *** parts ** *** ***********.  ********** **** *** **** ** *** hole, ** *** ***** ** ********/********** ******* ** *****, ** how **** ***** ** ******* ** ****** ** *****. *** bottom ****, ********** ****** '*** & *****'*********, **** **** ***** materials, *** **** * ********* ********.

Common *******

***** **** ******** *** ******** ** '************', ********* ********* **** **** ***** ***** *****.  

  • ***** / ***** *******
  • ******* / ***** ****
  • ********

******* ******** ******** *** ** ******** ****** **** *** ** purchased *** *********, *** **** ******** *** ***** **** **** internet-based, ** **-**** ******** ********* *** ********* * ********* ******* leading ** ** ******.

***** / ***** *******: *** ******** ****** **************** **** *** **** ******** *********** ***** ** *******. *** process ******** ******** * ****, ******** ******* **** **********, *** *********** the **** ******************** ** ***** ** **** *****.  **** ******, *** ******* costs **** **** $*** *** ********* *** * ****** **** of **** **** *":

******* / ***** ****: *** **** ******** ********** ****************** ******** ***** * ***-********** ****** (*******) ** * ****** filled **** **** ** ************************. *** **** ** *** *********** ***** ******* *** **** cables **** *******, *** ********** ******* **** *********** ***** ***** are *********.

***** **** ********, ***** ********* *** ********* *** **** *********. They ********* ***** ** ***** ******* $*** *** ***** *******, up ** $**,***+ *** ***** **** *******.  ***** ********* *** the **** ******* ************ **** **** ***********, *** **** ******* ******* ******** *** certification **********

********: ***** ****** ****** *** ******, ** **** ***** *** <4" *****, ***-********** ******* ** ******* ******** *** *******.  ******** **** ** ******* ** ******** ******* ******* ******, ** ********** ******* ** ******* **** **** *******, and *** ******* ** *** *** **** *** ****. **** type ** ******** ** *** ***** *********, ******* ******* **** than $** ****, *** **** ******* *** ***** ****** ** cables.

Comparison *****

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

*******

*** ******* ********* *** ******** ********** ** ******** ***** ** 'mandatory **********' *** ***************************:

***** *** ******** ********** ** ***** ************,********************* ***** **** **** **** **** *** ******* ******** ** these ********* ** ** ******** ** **** ** ***** ***********.

When ** **-*****

********* *** **** ****** ** ** ***** *********** *** ****, even ** ** **** ****** ** ***** ****. ** **** cases, *** **** ** ********* * ***********, ****** *** *** rated ********** ** *** ******, *** *** ***** ******** ** install ** *** *** **** *** *********. ** **** *****, buying * *** ***** **** ** ***** ** ************ ******* due ** *********** *** ******* ****** ** *** ****.

 

Comments (16)

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

* ****'* *** ** ******* *** * ***** ** ** worth ******** *** **** *** ******* *** ********** *** ********* Having ************. *** *** ***** ** *** ***** **** *********, state *********, ** **** ***** ********** ******** **** * ***** in ******** ****** ***********. *** *** ****** ****** ** *******, state, ******, *** ************. ****** *** *** ** *** ** not ********!

* **** **** **'** (*** ******** ********** ********* ** * whole) *** **** ******** **** *** ***.*** ********** ******* ********* (*****) *** *** ***** ********** (*****), not *** ******* *** ******** **** ********** *********** (****), ** conjunction **** *** *** ******** ******** **** (***) ******** **** protection ******** *** * ********* ** ****-**** ************- *** ***** of ***** ** ****-********.*'********** *** **** * ****** **** *********** ************- ****'** ****** **** * ******** ** ****.

****** *** *** ********.

**'** *** **** **** *** ******* ******** ********** ***** ***** this. ** ****** **** *** *** *** ****** ** **** a ******** **** ******* ****.

* ** ******* *********** * ***** ** ********* ** *** lack ** ********* ********* *** ****/***, ***/*** *** *********, ***, prevailing ****, *********, **********, *********/*******, ** *** ******* ************ *********. BICSI *** *** **** ** ** *** ***** ** **** security ***********. ***** *** ***** * *** ********* ********* **** this ******** **** *** ***** ******** ********, ******* **, ******** companies, ** ******* ************** ***** **** *********** ** **** *** in ***** *******.

* ********** **** ******* ******** **** ** ***** ***** ******* our ******** ** ****** ****** ***** *** ****** **** *** other ****** * **** ****. ** *** (** *** ***) help ***** ********* ***** ********* ***** *** ** *** *****.

** **** **** *** *** ******** ** *** ****. ***** we *****'* **** **** ****** ***, **********, ** **** **** were *** ******* ******. ** ******** *** **** *********** **** in *** ****** **** **** ******* ********* ** ********** ** order ** **** ***** **** ***** ******* ***** ******. *********, they ***'* **** **** ** ******* *** *** *** ** the ***** ** *** *********. * **** ** *** ********* complex ******* **** *** *** ****** **** ** *** ********* burn ** *** ****** *** ** ***** ******** ******** ** CATV *****. ** ** *********, * ***'* ***** *** **** company *** **** ********* *** ***** *******.

** ******** ** *** *** *** **** **** *** ***** in * ****** *******? ** *** ***** ***** ** ***** a ******* ***** ***** *** ******* * *******. ***** *** also *** ******** (*-*) ***** ****** *******, ** **** ** they **** ***** ****** ** *** *** *******? *** ************ for *** *** ******** ***'* **** ** ******* ****.

***, ** **** ** **** *** ** *** *******, *** can *** **** **** *** ***** *******. **** ******* ******** cables ** ******* *****.

**** *******! * ** **** *** ******** ** * ***** would ****** ***** *** ********** ************. ** **** * *** of **** ** ***** ******** **** *********** ******* ** *** primarily * ********** ************** ******* *******. *** ****** *** ********** of *****. ** ******* ***** *** **** **** **** ** and ***** **** ***** *** ** ****** ************ *** **** cert *****. *****://***.**.*****.***/******** *** *** **** *** **** ***** *** varying ***** **** ** *** ************. ***** ** *********** **** in ************, ***** **********, ****** ***** ******* *** **** ** properly ****** *** ****** ** ******** ******* **** ****** **** don't **** *****. ** *** **** ************ ** **** ** important **** **** *** *** ************ ******* *** *** *** bid ******* *** ** ******* ********* *** **'* *** ********* that *** *** ********* *** ****** **. **** ******** ****** don't ****, ** ***'* **** ** ****, *** ** *** hospitol *****, *** ********* ****** *** **** ***** *** **** inspect **** **** ***********, *** **** *** *** **. **** if **** *** ***** ******* * ****, **** ***'* **** any ******* *** ****** ** ** ******* *** **** ******. Which ***** ** ***'* *** ***** ********** ****** *** **** to *** ********** **** ****** *** ***** ***** *** **********. It's * ********** ******* ********** *** **.

***, ******.

** ****:

"** **** * *** ** **** ** ***** ******** **** integrators ******* ** *** ********* * ********** ************** ******* *******."

** **** ******* ******** **** *********** ** *** ********* ******* the **** *** ********************?

****, ************ ***** *** ** ******* ***** *** **** ***** they ** ****** ****** ****** **, ****** **'* ***** *******, your ******** ** ******* **** ***** ***** *** *** ****'* an ******* **** ***'* ****** **, ****** **** *** *** cable ******* ***** ** **** *** ** ***** **** ********* in *** ******** **** ** ** ******* ** ** & IP. ** *** ********* ************ ** *** **** *** ** an ******* ** **** ******* ***** *** *******, *** ***'* have ** *** *** ********* ****** ***** **** ***** *** STI ****, * ****** **** ** *********** **** ***** **** a **** *** **** * ***** ** ***** ******* *** bushings ******* * ****. ** *** ***** ******* ** **" pre *** ******** ******* *** *** *** ***** ***** **** in ***** ******, **'* *** **** ****** * ******** **** of **** **** **** ****** ** ** ***** ******. **** gets ********** **** **** ***** **** ** *******, *******, ***** sheets ******, ***. ** * ****** *** ***** ** **** prints *** *** ******** ***** *** ****** ** ******* *** firestop ** ***** ****** **, *** ******* *** *** *** rigid ******* ** ***** $*-* **** *** * ** ** tube ** **** ***** ** ****** $**-** **** *** *** be ****** ** *** **** *** *** **** **** ****. This ** *** ***** **** ****** *** *****'* ********* ***** for **** ******* ** ********** ***** **** *** ***** *** sti ** *** ***** ** ****** **** ** ****** **** dried. ** * ****** *********** *** ******** **** * *" sleeve ** ****** *** * **** ** ******** ** ** the ***** *** $** ** ** **** *** ****** ** both ***** ** *** ******. *** **** ** ***** ****, pre *** ** ****. *** ** **** ** *** ******* we **** ** *** ******** ******** **** ******* *** **** expensive **** ******* * ********* ** **** *** ** *** and **** * ******* ** ******* *** ***** **** ***** edges. ****** **. *** ****** ******* **** **** ** **** a ****** ***** ** *** **** ***** *** *** ****** opting *** ***** *********. *** ****** ** ******* ***** ***** don't **** *** ** ******* ** **** ***.

***** ***. ****** *** *** ********!

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

"******'* **** ** *** *** ********* ****** ***** ************ *** ****, * ****** **** ***************** ***** **** * **** *** **** * ***** ** rigid ******* *** ******** ******* * ****. "

* '********* ********' ** ***** *** ********** *********** *** ************. Making **** *** **** *** ***** ***** ******* **** ******** insulation *** *** ******** ******* **** ******* ** ********.

* ***** **** ** *******, *** ********* ******* ***** ******* are ************* *******, *****, ********** ******, *** ******** (***** *** not ****** *********). *******, **** *** '**********' ** **** ******** in * *** ******* * ****** ** ******* ****** ******* a **** ** ***.

** ** ********* ** ***** ******** ************ ** '****** *************' deserving **** ****** ******** *** ******* *******. *** **** *** just **** ** ********* ******* ***** *********** **** **** *** doing ** *** ********.

* ********* ***** **** **** **** ** ****, *******, **** are **** ***** *** ******* **********:

*****://***.**.*****.***/******/**********/*********/***/*************/*****************************.***

*** "******" **. *-*-****, ********* **-***.

*** *** ***** ***** ** **** ****.

*****://***.**.*****.***/******/**********/*********/***/*************/*****************************.***

***** ** ********* *** *** ******, *** ***** *** *** i'm **** ******** ****.

*** ***** *** ** ** **** ** *** ****** *** Hilti *** **** ***** **** * *** * ***, ** I ** ***-*****!

************** ***'** ****** * *********** ******. ** ***** ** ** in *** ******** *** ******* *** ***** **** ** **** name ***** ***** **********, * "********" ** *** * ******* barrier, **'* * ****** **** ** ********.

******, *****'* ** ****** *********** **** "********"?

** ******* ***** ***** *** *** ********* ******* *********** *******. Now ** * ***** **** *** ** ********** ********* ** notice *** **** **** ** *** *** **** ****** ***** they **** ** *******.

*** ***** *** **** ******** **** ****!!!! :)

**** ** ****** *** ** ** '*** *' ******** **** comments ****. :)

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