• Fire Water Requirements

    Does anyone know the requirements about fire water quality, what kind of water can be use for fire extinguishing, could someone recommend the minimum requirements in the NFPA standard for this issue?
    last modified by zhangya
  • Officials warn parents of viral Tik Tok “outlet challenge”

    Massachusetts high school students are imitating a dangerous viral video circulating on the social media app Tik Tok that has firefighters issuing an alert. According to news reports it’s called “the outle...
    last modified by lisabraxton
  • Explanation Of NFPA 13 A.

    Can anyone offer a better explanation of this entry?   "NFPA13 A. Ceiling features in unobstructed construction that are protected by sprinklers in the lower ceiling elevation when the higher ceiling ele...
    last modified by hshengst
  • Changes to NFPA 1582

    Are there any proposed changes to NFPA 1582 that address the findings of recent cancer studies that indicate firefighters are at a higher risk for cancer.  I am specifically interested in changes to the sections ...
    last modified by jgrasham747
  • Massachusetts is first state to officially update to the 2020 edition of the NEC

    While the methods and materials used to install safe electrical systems have improved considerably throughout the over 125-year history of the National Electrical Code (NEC), we know there’s still much work to b...
    last modified by jsargent
  • Water spray deluge system for LPG truck parking

    We have an LPG station with a parking shed (open with steel canopy) where the LPG truck will be parked during the gas refilling of underground tanks. Kindly confirm whether we need to provide a water spray deluge syst...
    last modified by suhaskurikkal
  • NFPA has new representation in the Middle East and North Africa to further safety, enforcement, and communication efforts

    Effective this week, NFPA has a new local representative who will oversee the overall regional planning, direction, coordination, and support of international development functions in the Middle East and North Africa ...
    created by cathylongley
  • Interconnecting gas leak detection with deluge valve in LPG sytems

    Do we need to intercennect the gas leak detection panel with the deluge valve solenoid valve in the case of water spray deluge system for LPG tanks & equipment. Kindly note that our tanks are buried and deluge sys...
    last modified by suhaskurikkal
  • Avgas and Jet-A fuel labeling

    NFPA rating guide   Greetings all, I have been having a tough time trying to locate the Diamond numbering for Avgas and Jet A fuels. Can someone please point me in the right direction or show me what the diamon...
    last modified by rgrothe
  • Illuminated EXIT signs and Live Theatre

    Greetings, I was recently at a live theatre production outside my jurisdiction and noticed the EXIT signs went out with the house lights when the show started. Being a prevention officer, I always assess my exit route...
    last modified by d_rydall
  • A Better Understanding of 70E: Take My Poll to Help Me Better Address Electrical Safety Topics You Need to Know About

      Time flies. I have been the staff liaison for NFPA 70E, Standard for Electrical Safety in the Workplace  for the past two cycles. I have fielded hundreds of electrical safety questions from employer and e...
    last modified by ccoache
  • A Better Understanding of NFPA 70E: The 2021 Edition of NFPA 70E®, Standard for Electrical Safety in the Workplace®

    This blog was going to cover protecting employees from electrical hazards, but the subject has been changed to reflect the latest news about NFPA 70E. The Second Draft of NFPA 70E, Standard for Electrical Sa...
    last modified by ccoache
  • Threaded pipe and fittings

    Is schedule 10 piping allowed to be threaded? The code 'shall' and the annex 'should' seem to be in conflict as you can see below In the 2016 NFPA 13 it states : Threaded Pipe and Fittings.* Steel pipe with...
    last modified by emil.ohler
  • Research Foundation to Host FREE Webinar: “Review of Audible Alarm Signal Waking Effectiveness” - Wednesday, February 5, 12:30-2pm EST

      At-risk populations such as the elderly, school-age children, those who are hard of hearing or alcohol-impaired do not fully benefit from conventional smoke alarm alerts, particularly during sleeping hours. Re...
    last modified by amandakimball
  • Fire Detectors in Hyperbaric Chambers

    In a standard if a subordinate paragraph conflicts with a superior paragraph, which paragraph governs?   For example:  In NFPA 99-2015, Para appears to conflict with Para, which one...
    last modified by 158894
  • Fuel Cells proposed to be added to NFPA 110, Standard for Emergency and Standby Power Systems

    NFPA 110 is going through its first substantial change in decades and the change will affect those who typically were not subject to NFPA 110's requirements. The different uses of fuel cells have increased as the cell...
    last modified by ccoache
  • 70E Train the Trainer

    I'm new in this forum and probably this question was answered previously. Can someone recommend a class/company to train the trainer for NFPA 70E? does that person requires a certification?
    last modified by jesus.murguia
  • Change in occupancy (Mercantile to Assembly)

    I am trying to get to the bottom of an construction issue and was hoping to get some help.  Background This is occurring in a jurisdiction that has adopted NFPA 1 and 101. Significant construction project in whic...
    last modified by ffz290
  • Compliant EMT alternatives when connecting residential rooftop solar arrays?

    Hello Xchange Members,   I work in residential solar.  When DC conductors are run on the roof between solar arrays, the conductors are usually routed in EMT.  Does the NEC allow for other types of cond...
    last modified by duncan.cleminshaw
  • Working Space Requirements 110.26(C)(2)

    Hello,    We are a California Electrical Contractor and we installed a new 1200 amp switch gear section for a retail center. This was a upgrade of a existing 1000 amp switch gear section.    We a...
    last modified by corykruip