• Code Change between Design and Construction, 10 years

    In a Design-Bid-Build project a code, in this case the NEC, changed from start of design to start of construction, Does the new iteration of the Code need to be used or the iteration of the code referenced in the spec...
    chapotito
    last modified by chapotito
  • With regards to Duct Mount Smoke Detectors, does NFPA 90A take precedence, or does the IMC?

    Take a Make-Up Air Unit (MAU) if over 2,000 CFM. NFPA 90A would mean the unit should have a duct smoke detector installed to automatically shut the unit down. (It seems to be the only exemption to the need for Duct Sm...
    wwishart
    last modified by wwishart
  • What are listing report and listing organization?

    Dear, everyone, when I reviewed the NFPA 2001 chapter 9, I am confused about the listing report and listing organizations, dose anyone can explain for this question? Thanks a lot!   9.12 Approval of Installations...
    zhangya
    created by zhangya
  • Day 4 of Home Fire Sprinkler Week Explains How Fire Sprinklers are Smart and Green

    Due to the unforeseen challenges the world continues to face with COVID-19, NFPA and the Home Fire Sprinkler Coalition (HFSC) have cancelled live events during Home Fire Sprinkler Week week (May 17 – 23) in favo...
    lorrainecarli
    last modified by lorrainecarli
  • Transformer tap changer

    I have small storage room which has 75kVA transformer 480V to 208/120V three phase with tap changer primary side.  The transformer secondary feeds Panel A in the same room.   The Panel A feeds receptacles,...
    apurvadave
    last modified by apurvadave
  • This question is about sizing a tank for fire protection

    We have a site with no water supply and all fire protection will need to come from an above ground storage tank. The question is, when sizing the tank do you need to add the site fire flow requirements and the fire sp...
    rpfeiff
    last modified by rpfeiff
  • Energy Storage Systems

    Our data centre client is proposing to locate Lithium-ion batteries (energy storage system) into the server racks in the data centre halls. I have read the Fire Protection Research Foundation report from May 2019 rega...
    pcharman
    last modified by pcharman
  • New video content outlines fire safety considerations for hand sanitizer

    For the second month in a row, the latest installment of my Learn Something New YouTube video series deals with a safety topic related to the global coronavirus pandemic. In March, I released a video on...
    averzoni
    last modified by averzoni
  • NEC 334 Nonmetallic

    NEC 334 Nonmetallic – sheathed cable (Romax) Type NM / NMC & NMS. What does the B stand for in NM- B cable? Aluminum or copper clad aluminum manufactures, are sending this information and it can not be fou...
    david.heiliger
    last modified by david.heiliger
  • One Electrician’s Life Lesson: The Case for Electrical Safety Training for Electricians and Non-Electricians

    The sirens were deafening, even to my 13-year-old ears. My good friend, Heath, and I were playing an intense game of summer basketball in my driveway. The fact that I was losing and, as always, determined to win, shou...
    channahs
    last modified by channahs
  • Facebook Live Event Kicks Off Day 3 of Home Fire Sprinkler Week; Reinforces Every New Home Needs Fire Sprinklers

    Due to the unforeseen challenges the world continues to face with COVID-19, NFPA and the Home Fire Sprinkler Coalition (HFSC) have cancelled live events during Home Fire Sprinkler Week week (May 17 – 23) in favo...
    lisamariesinatra
    last modified by lisamariesinatra
  • NFPA 20:2019 - Sizing Circuit Breaker from Fire Pump Panel

    We are designing to use a circuit breaker with only magnetic unit trip protection for a single fire pump (without a jockey pump).Should the FRAME of the circuit breaker meet the rated current OR...
    bindim
    last modified by bindim
  • Salughter house hazard classification

    Dear Sir/Madam   As per NFPA 1142. Slaughter house fall in category of light hazard. But there is no discussion of Slaughter house in NFPA 101 & NFPA 5000 about slaughter house. If slaughter house is with out...
    masoodnabinoor@yahoo.com
    last modified by masoodnabinoor@yahoo.com
  • Budget Cuts Threaten Further Hardship on our Public Safety Infrastructure

    From the beginning of the coronavirus crisis, first responders have dealt a dearth of PPE, thinned ranks from exposed and infected colleagues, and staggering call volumes as they served their communities. Now, as the ...
    mhousewright
    last modified by mhousewright
  • Day 2 of Home Fire Sprinkler Week Focuses on the Reliability of Fire Sprinklers

    Due to the unforeseen challenges the world continues to face with COVID-19, NFPA and the Home Fire Sprinkler Coalition (HFSC) have cancelled live events during Home Fire Sprinkler Week week (May 17 – 23) in favo...
    lisamariesinatra
    last modified by lisamariesinatra
  • Vice President

    Nursing Home Facility 2012 NFPA 99 Section 7.4.3.1.5.1 requires nurse calls in bathrooms of resident room and shall be accessible to patient lying on the floor. Is there a distance or range from the floor a...
    manager@udassoc.com
    last modified by manager@udassoc.com
  • Standpipes in exit stairwell and landing valves are in fire fighting lobby

    Hi, I am working on a high rise project with fire fighting lobbies. The standpipes are located in exit stairwell while the 65mm landing valves penetrates thru walls and can be accessed in the fire fighting lobby.Is th...
  • Whether It’s Today or Tomorrow, Medics Always Show Up

    Prior to COVID-19, I had entertained the thought of writing a blog during National EMS Week about the ways that NFPA collaborates with the EMS community on contamination control, various health and safety concerns, on...
    jmontes
    last modified by jmontes
  • Collaboration between fire agencies and public health required for looming wildfire season

    As summer brings the threat of uncontrolled wildfire to many US states, the just released edition of NFPA Journal explores the challenge of fighting wildfires while also deterring coronavirus outbreaks in both operati...
    luciandeaton
    last modified by luciandeaton
  • Non-Restorable Fixed Temp Expired Heats

    Does anyone know of a company in the New England area that tests (lab tests) fixed temp non restorable heat detectors that are expired? Never had a customer come back and want this option but here we are .  No r...
    kerrie
    last modified by kerrie