• A Utah wildfire reminds us that fireworks can be the ember

    A late June wildfire in Utah that burned 467 acres and forced the evacuation of over 100 residents from 42 homes has been linked to teens playing with a Roman candle firework that ignited a hillside before spreading i...
    luciandeaton
    last modified by luciandeaton
  • SJ/SO cord conductor color use

    I have a heating unit that is supplied 3 phase (with ground) power via an SJ/SO type of cord (it may be either 230 or 460).  The question is about conductor colors within manufactured cables: do I have to re-iden...
    kgilpin@adcomfg.com
    last modified by kgilpin@adcomfg.com
  • Re-entry into Passageway

    Hi everyone, with regard to NFPA 101 Exit Passageways 7.2.6, does the code permit re-entry into the building from the passageway? The passageway was built to bring exits within allowable travel distances for a large s...
    zdankewych
    last modified by zdankewych
  • Electrical and Telecommunication Rooms need automatic sprinkler or not.

    Dear NFPA,   My project is 3 story residential building, whole building is sprinkled including service rooms. 1) Electrical Room is not sprinkled. 2) Telecommunication Room is equipped with telephone racks and...
    accesstocode
    last modified by accesstocode
  • Water supply for Sprinkler system plus Outside Hose

    I have a question about the selection of pump capacity and water tank size,    As per my requirement, water demand for sprinkler system will be 1400gpm plus 250gpm for outside hose = 1650 gpm...
    kalidas.pk
    last modified by kalidas.pk
  • Foam sprinkler system Design

    Dear all ,    Sub : Foam sprinkler system Design:    one of my ongoing project , Foam water sprinkler system is required to protect the generator area of 675 square meter . as per NFPA 16 ,Design...
    ashikpn
    last modified by ashikpn
  • Recommended Testing Point for Firepump

    At which point is it recommended to perform a fire pump performance test: 1) At the furthest point of the system 2) At the fire pump Can anyone answer this? Thanks
    lisellewalters
    last modified by lisellewalters
  • With public displays cancelled, video urges people to avoid consumer fireworks and burden on front line workers

    UPDATE: With July 4 weekend just days away and Canada Day celebrations happening today (July 1), we want to remind everyone about the dangers of consumer fireworks. The blog post below highlights the damage incurred b...
    cathylongley
    last modified by cathylongley
  • People with disabilities, buildings and COVID-19: 5 steps to ensure accessibility for all

    In the past several months COVID-19 has impacted the globe with significant health, safety and economic challenges. Unfortunately, these challenges have, at times, disproportionately impacted those within the disabili...
    kevincarr
    last modified by kevincarr
  • Fire Pump/Underground water storage tank

    Anyone have any suggestions on a fire pump being located inside a building and 70000 gallon tank under a building.There is no direct access into the room. Everything I am seeing is that the room needs to be 2 hr rated...
    ggerbasi
    last modified by ggerbasi
  • NFPA announces new Board member and officers

    NFPA announced its new Officers and the election of Dr. Denis Onieal to its Board of Directors.   Amy Acton, a burn survivor and former burn nurse and nurse manager, has been named Chair of the NFPA Board. For o...
    cathylongley
    last modified by cathylongley
  • Max. height from floor of sprinkler heas

    I'm design a terminal OH2 and height of sprinkler head in one part of grid is up to 9.7 m! How can I proceed? May be to upgrade at HH1?
    niko
    last modified by niko
  • Fire Alarm System Field Engineer

    RFI is looking for a Fire Alarm System Field Engineer to join our team in San Jose, Sacramento or Reno! As a Fire Alarm System Field Engineer, your duties will include: Performing Fire Alarm System configuration, pr...
    jthibeault
    last modified by jthibeault
  • Wildfires and Insurance webinar series recordings now available!

      During May of this year NFPA partnered with insurance industry experts to share tips and resources on how to financially and physically prepare for wildfires. Recordings of the webinars are now available and e...
  • Numbering of the Electrical Code

    Can anyone tell me what style guide NFPA uses to determine the numbering of sections of the electrical code?  I am working on the Seattle Electrical Code and am needing to know how some subsections are numbered.
    jenifer.gilliland
    last modified by jenifer.gilliland
  • Two-way communication system circuits

    NFPA 72 in 24.8.6 mandates that: "Two-way telephone communications service shall be capable of permitting the simultaneous operation of any five telephone stations in a common talk mode." In my case I have a UL...
    yesongs
    last modified by yesongs
  • Storage tank buildings

    To whom it may concern:   I am hoping that you are fine. My name is Jorge Cabrera and I work as an engineer in a public entity of Chile regarding electricity and fuel industry. I express the following some doubt...
    jcabrera
    last modified by jcabrera
  • Classification around digester gas storage

    Classification around digester gas storage: NFPA 820-2020 calls for Division 1 within 3m around digester gas storage tanks, valve, etc. However, there is no requirements on Division 2.  NEC specifies that there...
    kzhang
    created by kzhang
  • NEC 2020 not available in PDF!

    It is extremely disappointing that unlike NEC 2017 and its handbook, the NEC 2020 edition and its handbook are not available in PDF format that you can store on your computer as a digital resource and access it a...
    nikunj.shah
    last modified by nikunj.shah
  • Fire & Life Safety Ecosystem: Skillsets are Incomplete Without Key Safety Component

    A skilled worker who overlooks safety is not a skilled worker.                          ...
    mhousewright
    last modified by mhousewright