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July 29, 2007

                             []< ET NEWS                               
====================================================================== 
    NEWS AND INFORMATION FOR THE FIRE PROTECTION ENGINEERING TEAM      
---------------------------------------------------------------------- 
Issue No. 299    ISSN 1554-074X      http://www.etnews.org   7-29-2007 
====================================================================== 
 
Contents
--------
- News
- ET News Journal
- Job Opportunities
- Seminar Schedule
- Comments & Acknowledgements 

======================================================================
NEWS
====================================================================== 

A VERY TELLING VIDEO...

Fox News' Shepard Smith Teaches Poor Fire Safety
American Chronicle - Beverly Hills,CA,USA
'The Fox Report' host Shepard Smith and associates went against the 
public teaching of exiting a building during a fire alarm, whether a 
fire was actually ... 
http://newsbusters.org/blogs/ken-shepherd/2007/07/27/fox-news-follies-
shep-smith-ad-libs-during-fire-alarm 
 
----------------------------------------------------------------------
 
Software for Fire Alarm System Recalled
The following product safety recall was voluntarily conducted by the 
firm in cooperation with the CPSC... 
http://www.cpsc.gov/CPSCPUB/PREREL/prhtml07/07565.html 
 
---------------------------------------------------------------------- 
 
Fire marshal says photoelectric smoke detectors safer
WTHR - Indianapolis,IN,USA
"The message is a photoelectric smoke detector will give you a much 
better chance of survival in the middle of the night in a smoldering 
fire than an ..."
http://www.wthr.com/Global/story.asp?S=6840125&nav=9Tai 

---------------------------------------------------------------------- 

I'll see you in Detroit this week. 
http://www.afaa.org/pdf/TI_IntFA_Detroit_Jul2007.pdf 

Have fun! 
Mike 
mailto:mike@etnews.org 
67,057 DL 
10,522 AS 

======================================================================
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ET NEWS JOURNAL
====================================================================== 

Changes to NFPA 70-2005, National Electrical Code Article 760
-------------------------------------------------------------

Download a much easier to read version of this article here: 
http://www.etnews.org/docs/NFPA_70-2005_Article_760_changes.pdf 
 
760.3 Other Articles.
(A) Spread of Fire or Products of Combustion. Section 300.21. The 
accessible portion of abandoned fire alarm cables shall be removed.
["NOT BE PERMITTED TO REMAIN" REPLACED BY "BE REMOVED"]

760.7 Access to Electrical Equipment Behind Panels Designed to Allow 
Access. Access to electrical equipment shall not be denied by an 
accumulation of conductors and cables that prevents removal of panels, 
including suspended ceiling panels.
[760.5 RENUMBERED 760.7]

760.8 Mechanical Execution of Work. Fire alarm circuits shall be 
installed in a and neat workmanlike manner. Cables and conductors 
installed exposed on the surface of ceilings and sidewalls shall be 
supported by the building the building structure in such a manner that 
the cable or conductors will not be damaged by normal building use. 
Such cables shall be attached to structural components supported by 
straps, staples, hangers, or similar fittings designed and installed 
so as not to damage the cable. The installation shall also conform 
with 300.4(D).

FPN: One source of information describing industry practices is ANCI/
NECA 305-2001, Standard for Fire Alarm System Job Practice.
[760.6 RENUMBERED 760.8]
["STRUCTURAL COMPONENTS OF THE BUILDING" REPLACED WITH "THE BUILDING 
STRUCTURE"]
["ATTACHED TO STRUCTURAL COMPONENTS" REPLACED WITH "SUPPORTED BY"]
[NEW FINE PRINT NOTE]

760.21 NPLFA Circuit Power Source Requirements. The power source of 
non-power-limited fire alarm circuits shall comply with Chapters 1 
through 4, and the output voltage shall not be more than 600 volts, 
nominal. These circuits shall not be supplied through ground-fault 
circuit interrupters or arc-fault circuit interrupters.
[ADDED "OR ARC-FAULT CIRCUIT INTERRUPTERS"]

760.25 NPLFA Circuit Wiring Methods. Installation of non-power-limited 
fire alarm circuits shall be in accordance with 110.3(B), 300.11, 
300.15, 300.17, and other appropriate articles of Chapter 3.
[300.11(A) RENUMBERED 300.11]

300.11 Securing and Supporting.
(A) Secured in Place.
(1) Fire-Rated Assemblies. Wiring located within the cavity of a 
fire-rated floor-ceiling or roof-ceiling assembly shall not be secured 
to, or supported by, the ceiling assembly, including the ceiling 
support wires. An independent means of secure support shall be 
provided and shall be permitted to be attached to the assembly. Where 
independent support wires are used, they shall be distinguishable by 
color, tagging, or other effective means from those that are part of 
the fire-rated design.
[ADDED "AND SHALL BE PERMITTED TO BE ATTACHED TO THE ASSEMBLY"]

300.15 Boxes, Conduit Bodies, or Fittings - Where Required.
Where the wiring method is conduit, tubing, Type AC cable, Type MC 
cable, Type MI cable, nonmetallic-sheathed cable, or other cables, a 
box or conduit body complying with article 314 shall be installed at 
each conductor splice point, outlet point, switch point, junction 
point, termination point, or pull point, unless otherwise permitted in 
300.15(A) through (M).
[REMOVED "A BOX SHALL BE INSTALLED AT EACH OUTLET AND SWITCH POINT FOR 
CONCEALED KNOB-AND-TUBE WIRING. FITTINGS AND CONNECTORS SHALL BE USED 
ONLY WITH THE SPECIAL WIRING METHODS FOR WHICH THEY ARE DESIGNED AND 
LISTED."]
[ADDED "COMPLYING WITH ARTICLE 314"]

(L) Manholes and Handhole Enclosures. Where accessible only to 
qualified persons, a box or conduit body shall not be required for 
conductors in manholes, except where connecting to electrical 
equipment. The installation shall comply with the provisions of Part 
IV of Article, and 314.30 for handhole enclosures.
[REMOVED "OR HANDHOLE ENCLOSURES"]
[REMOVED "110 FOR MANHOLES"]
[CHANGED "PART V" TO "PART IV"]
[CHANGED "314.30 FOR HANDHOLE ENCLOSURES" TO "314"]

760.30 Multiconductor NPLFA Cables. Multiconductor non-power-limited 
fire alarm cables that meet the requirements of 760.81 shall be 
permitted to be used on fire alarm circuits operating at 150 volts or 
less and shall be installed in accordance with 760.30(A) and 760.30(B).
[760.31 RENUMBERED 760.81]
[REPLACED "(B)" WITH "760.30(B)"]

(A) NPLFA Wiring Method.
(3) In Hoistways. In rigid metal conduit, rigid nonmetallic conduit, 
intermediate metal conduit, liquidtight flexible nonmetallic conduit, 
or electrical metallic tubing where installed in hoistways.
[REPLACED "FLEXIBLE NONMETALLIC TUBING" WITH "FLEXIBLE NONMETALLIC 
CONDUIT"]

(B) Applications of Listed NPLFA Cables.
(2) Other Spaces Used for Environmental Air.
Exception No. 3: Type NPLFP-CI cable shall be permitted to be 
installed to provide a 2-hour circuit integrity rated cable.
[ADDED EXCEPTION NO. 3]

(3) Riser.
Exception No. 3: Type NPLFR-CI cable shall be permitted to be 
installed to provide a 2-hour circuit integrity rated cable.
[ADDED EXCEPTION NO. 3]

(4) Other Wiring Within Buildings.
Exception No. 3: Type NPLF-CI cable shall be permitted to be installed 
to provide a 2-hour circuit integrity rated cable.
[ADDED EXCEPTION NO. 3]

760.41 Power Sources for PLFA Circuits. The power source for a power-
limited fire alarm circuit shall be as specified in 760.41(A), (B), or 
(C). These circuits shall not be supplied through ground-fault circuit 
interrupters or arc-fault circuit interrupters.
[ADDED "OR ARC-FAULT CIRCUIT INTERRUPTERS"]

760.42 Circuit Marking. The equipment supplying PLFA circuits shall be 
durably marked where plainly visible to indicate each circuit that is 
a power-limited fire alarm circuit.
[ADDED "SUPPLYING PLFA CIRCUITS"]

760.52 Wiring Methods and Materials on Load Side of the PLFA Power 
Source. Fire alarm circuits on the load side of the power source shall 
be permitted to be installed using wiring methods and materials in 
accordance with 760.52(A), 760.52(B), or a combination of (A) and (B).
[ADDED "OR A COMBINATION OF (A) AND (B)"]

760.52 Wiring Methods and Materials on Load Side of the PLFA Power 
Source.
(B) PLFA Wiring Methods and Materials.
(3) In Hoistways. In rigid metal conduit, rigid nonmetallic conduit, 
intermediate metal conduit, or electrical metallic tubing where 
installed in hoistways.
Exception: As provided for in 620.21 for elevators and similar 
equipment.
[REMOVED EXCEPTION NO. 2: OTHER WIRING METHODS AND MATERIALS INSTALLED 
IN ACCORDANCE WITH THE REQUIREMENTS OF 760.3 SHALL BE PERMITTED TO 
EXTEND OR REPLACE THE CONDUCTORS AND CABLES DESCRIBED IN 760.71 AND 
PERMITTED BY 760.52(B)]

760.56 Installation of Conductors of Different PLFA Circuits, Class 2, 
Class 3, and Communications Circuits in the Same Cable, Enclosure, or 
Raceway.
(D) Audio System Circuits and PLFA Circuits. Audio system circuits 
described in 640.9(C) and installed using Class 2 or Class 3 wiring 
methods in compliance with 725.54 and 725.61 shall not be permitted to 
be installed in the same cable or raceway with power-limited 
conductors or cables.
[NEW]

760.61 Applications of Listed PLFA Cables.
(A) Plenum. Cables installed in ducts, plenums, and other spaces used 
for environmental air shall be Type FPLP. Types FPLP, FPLR, and FPL 
cables installed in compliance with 300.22 shall be permitted. Type 
FPLP-CI cable shall be permitted to be installed to provide a 2-hour 
circuit integrity rated cable.
[REMOVED "ABANDONED CABLES SHALL NOT BE PERMITTED TO REMAIN"]
[ADDED "TYPE FPLP-CI CABLE SHALL BE PERMITTED TO BE INSTALLED TO 
PROVIDE A 2-HOUR CIRCUIT INTEGRITY RATED CABLE"]

(B) Riser. Cables installed in risers shall be as described in either 
(1), (2), or (3):
(1) Cables installed in vertical runs and penetrating more than one 
floor, or cables installed in vertical runs in a shaft, shall be Type 
FPLR. Floor penetrations requiring Type FPLR shall contain only cables 
suitable for riser or plenum use. Type FPLR-CI cable shall be 
permitted to be installed to provide a 2-hour circuit integrity rated 
cable.
[REMOVED "ABANDONED CABLES SHALL NOT BE PERMITTED TO REMAIN"]
[ADDED "TYPE FPLR-CI CABLE SHALL BE PERMITTED TO BE INSTALLED TO 
PROVIDE A 2-HOUR CIRCUIT INTEGRITY RATED CABLE"]

(C) Other Wiring Within Buildings. Cables installed in building 
locations other than those covered in 760.61(A) or 760.61(B) shall be 
as described in either (1), (2), (3), or (4). Type FPL-CI cable shall 
be permitted to be installed as described in either (1), (2), (3), or 
(4) to provide a 2-hour circuit integrity rated cable.
[REPLACED "(B)" WITH "760.61(B)"]
[ADDED "TYPE FPL-CI CABLE SHALL BE PERMITTED TO BE INSTALLED AS 
DESCRIBED IN EITHER (1), (2), (3), OR (4) TO PROVIDE A 2-HOUR CIRCUIT 
INTEGRITY RATED CABLE"]

(D) Fire Alarm Cable Substitutions. The use and permitted 
substitutions for fire alarm cables listed in Table 760.61 shall be 
considered suitable permitted for the purpose and shall be permitted. 
Where substitute cables are installed, the wiring requirements of 
Article 760, Parts I and III shall apply.
[REPLACED "THE USE AND PERMITTED SUBSTITUTIONS" WITH "PERMITTED 
SUBSTITUTIONS"]
[REPLACED "CONSIDERED SUITABLE FOR THE PURPOSE AND SHALL BE PERMITTED" 
WITH "SHALL BE PERMITTED"]

Figure 760.61 Cable Substitution Hierarchy.	
[REMOVED COAXIAL CABLES TYPE MPP, MPR, AND MPG/MP]

Table 760.61 Cable Substitutions
[REMOVED COAXIAL CABLES TYPE MPP, MPR, AND MPG/MP]

760.31 760.81 Listing and Marking of NPLFA Cables.
(F) Fire Alarm Circuit Integrity (CI) Cable or Electrical Circuit 
Protective System. Cables used for survivability of critical circuits 
during a specified time under fire conditions shall be listed as 
circuit integrity (CI) cable. Cables identified specified in 760.31(C) 
760.81(C), (D), and (E), that meet the requirements and used for 
circuit integrity shall have the additional classification using the 
suffix "-CI". Cables that are part of a listed electrical circuit 
protective system shall be considered to meet the requirements of 
survivability.
[ADDED "OR ELECTRICAL CIRCUIT PROTECTIVE SYSTEM"]
[REPLACED "CABLES SUITABLE FOR USE IN FIRE ALARM SYSTEMS TO ENSURE" 
WITH "USED FOR"]
[REMOVED "(FOR EXAMPLE, NPLFP-CI, NPLFR-CI, AND NPFL-CI)"]
[ADDED "CABLES THAT ARE PART OF A LISTED ELECTRICAL CIRCUIT PROTECTIVE 
SYSTEM SHALL BE CONSIDERED TO MEET THE REQUIREMENTS OF SURVIVABILITY"]

FPN No. 1: Fire alarm circuit integrity (CI) cable and electrical 
circuit protective systems may be used for fire alarm circuits to 
comply with the survivability requirements of NFPA 72®-2002, National 
Fire Alarm Code®, 6.9.4.3 and 6.9.4.6, that the circuit maintain its 
electrical function during fire conditions for a defined period of 
time.
[REPLACED "THIS CABLE MAY BE USED FOR FIRE ALARM CIRCUITS TO COMPLY" 
WITH "FIRE ALARM CIRCUIT INTEGRITY (CI) CABLE AND ELECTRICAL CIRCUIT 
PROTECTIVE SYSTEMS MAY BE USED FOR FIRE ALARM CIRCUITS TO COMPLY"]
[REPLACED "NFPA 72-1999, NATIONAL FIRE ALARM CODE©, 3-4.2.2.2, 
3-84.1.1.4, AND 3-8.41.3.3.3(3)" WITH "NFPA 72®-2002, NATIONAL FIRE 
ALARM CODE®, 6.9.4.3 AND 6.9.4.6"]
[REPLACED "CABLE" WITH "CIRCUIT"]

760.82 Listing and Marking of PLFA Cables and Insulated Continuous 
Line-Type Fire Detectors.
(G) Fire Alarm Circuit Integrity (CI) Cable or Electrical Circuit 
Protective System. Cables used for survivability of critical circuits 
shall be listed as circuit integrity (CI) cable. Cables specified in 
760.71(D), (E), and (F), and (H) and used for circuit integrity shall 
have the additional classification using the suffix "-CI". Cables that 
are part of a listed electrical circuit protective system shall be 
considered to meet the requirements of survivability.
[REPLACED "CABLES SUITABLE FOR USE IN FIRE ALARM SYSTEMS TO ENSURE 
SURVIVABILITY USED FOR" WITH "CABLES USED FOR SURVIVABILITY"]
[REMOVED "DURING A SPECIFIED TIME UNDER FIRE CONDITIONS"]
[REPLACED "IDENTIFIED" WITH "SPECIFIED"]
[REPLACED "760.82(D), 760.71(D), (E), AND (F) THAT MEET THE 
REQUIREMENTS" WITH "760.71(D), (E), (F), AND (H) AND USED"]
[REMOVED "(FOR EXAMPLE, FPLP-CI, FPLR-CI, AND FPL-CI)"]
[ADDED "CABLES THAT ARE PART OF A LISTED ELECTRICAL CIRCUIT PROTECTIVE 
SYSTEM SHALL BE CONSIDERED TO MEET THE REQUIREMENTS OF SURVIVABILITY"]

FPN No. 1: This cable is used for fire alarm circuits as one method of 
complying Fire alarm circuit integrity (CI) cable and electrical 
circuit protective systems may be used for fire alarm circuits to 
comply with the survivability requirements of NFPA 72-1999, National 
Fire Alarm Code, 3-4.2.2.2, 3-8.4.1.1.4, and 3-8.41.3.3.3(3) NFPA 72®-
2002, National Fire Alarm Code®, 6.9.4.3 and 6.9.4.6, that the cable 
circuit maintain its electrical function during fire conditions for a 
defined period of time.
[REPLACED " THIS CABLE IS USED FOR FIRE ALARM CIRCUITS AS ONE METHOD 
OF COMPLYING WITH THE SURVIVABILITY REQUIREMENTS OF NFPA 72-1999, 
NATIONAL FIRE ALARM CODE, 3-4.2.2.2, 3-84.1.1.4, AND 3-8.4.1.3.3.3(3), 
THAT THE CABLE MAINTAIN ITS ELECTRICAL FUNCTION DURING FIRE CONDITIONS 
FOR A DEFINED PERIOD OF TIME." WITH "FIRE ALARM CIRCUIT INTEGRITY (CI) 
CABLE AND ELECTRICAL CIRCUIT PROTECTIVE SYSTEMS MAY BE USED FOR FIRE 
ALARM CIRCUITS TO COMPLY WITH THE SURVIVABILITY REQUIREMENTS OF NFPA 
72®-2002, NATIONAL FIRE ALARM CODE®, 6.9.4.3 AND 6.9.4.6, THAT THE 
CIRCUIT MAINTAIN ITS ELECTRICAL FUNCTION DURING FIRE CONDITIONS FOR A 
DEFINED PERIOD OF TIME."]

Download a much easier to read version of this article here:
http://www.etnews.org/docs/NFPA_70-2005_Article_760_changes.pdf 

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JOB OPPORTUNITIES
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JOB OPPORTUNITY and SEEKING EMPLOYMENT announcements are provided as a
service.  ET News provides a venue for direct contact between job 
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endorse either job seekers or employers.

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Send your announcement to: mailto:jobs@etnews.org or post your own ad:
http://www.etnews.org/index.php?s=257 

======================================================================
SEMINAR SCHEDULE
======================================================================

Contac me to find out how your group can sponsor a seminar. 
mailto:mikebaker@afaa.org 

------------------ 
July 31 and August 1-2, 2007 Detroit, MI 
------------------ 
Inspection and Testing of Fire Alarm Systems 
Intermediate Fire Alarm Seminar (NICET I & II) 
Approved for CEU's by The State of Michigan 
http://www.afaa.org/pdf/TI_IntFA_Detroit_Jul2007.pdf 
 
------------------ 
August 21-23, 2007 San Francisco, CA 
------------------ 
Inspection and Testing of Fire Alarm Systems 
Advanced Fire Alarm Seminar (NICET III & IV) 
http://www.afaa.org/pdf/TI_AdvFA_SanFrancisco_Aug2007.pdf 
 
------------------ 
August 27-29, 2007 San Jose, CA 
------------------ 
Basic Fire Alarm Seminar 
Intermediate Fire Alarm Seminar (NICET I & II) 
http://www.afaa.org/pdf/BasFA_IntFA_SanJose_Aug2007.pdf 
 
------------------ 
September 5-6, 2007 San Francisco, CA 
------------------ 
Intermediate Fire Alarm Seminar (NICET I & II) 
Sponsored seminar (closed) 
 
------------------ 
September 11-13, 2007 Conshohocken, PA 
------------------ 
Inspection and Testing of Fire Alarm Systems 
Intermediate Fire Alarm Seminar (NICET I & II) 
http://www.afaa.org/pdf/TI_IntFA_Conshohocken_Pa_Sep2007.pdf 
 
------------------ 
September 17-18, 2007 Denver, CO 
------------------ 
Intermediate Fire Alarm Seminar (NICET I & II) 
Including a review of the Denver building code amendments 
Fire Alarm Plan Review Seminar 
Understanding IBC Fire Alarm Requirements Seminar 
Approved by ICC for 0.7 CEU's 
http://www.afaa.org/pdf/IntFA_PR_IBC_Denver_Sep2007.pdf 
 
------------------ 
September 24-28, 2007 Boston, MA 
------------------ 
Inspection and Testing of Fire Alarm Systems 
Fire Alarm Plan Review 
Basic Fire Alarm Seminar 
Intermediate Fire Alarm Seminar (NICET I & II) 
More info to follow ... 
 
------------------ 
October 2-5, 2007 Portland, OR 
------------------ 
Inspection and Testing of Fire Alarm Systems 
Intermediate Fire Alarm Seminar (NICET I & II) 
Understanding IBC Fire Alarm Requirements 
Approved by ICC for 0.7 CEU's 
More info to follow ... 

======================================================================
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======================================================================

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National Electrical Code(r), NFPA 72(r) National Fire Alarm Code(r), 
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This reprinted material is not the complete and official position of 
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standard in its entirety. 
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Some information may be found within this web site that is reprinted with permission from one or more of the following: NFPA 70 National Electrical Code®,NFPA 72® National Fire Alarm Code®, & NFPA 101® Life Safety Code®, Copyright© NFPA, Quincy, MA 02269.

This reprinted material is not the complete and official position of the NFPA on the referenced subject, which is represented only by the standard in its entirety.