• Storage of Liquids in Underground Tanks

    Dear Community,   I wonder, which code or table is require to determine a distans from  Storage of Liquids (Fuel) in Underground Tanks to school or any public buildings?
    gk.karkashadze
    last modified by gk.karkashadze
  • NEC 2014 grouping

    Assume that two SWGRs A and B are in compliance with NEC 2014 Section 230.2 first paragraph which says:   For the purpose of 230.40 Exception no. 2 only, underground sets of conductors, 1/0 AWG and larger, runni...
    apurvadave
    last modified by apurvadave
  • Is Sprinkler required in Pump Room or Not?

    There is one 4 storied building using as garments factory. The building is protected with Fire Hydrant System.  My question is:  1. The pump room is outside of the main factory building and the pump room i...
    arifur_liton
    last modified by arifur_liton
  • Regarding pressure reducing valve

    1. As per NFPA 20 "4.7.7.1 The net pump shutoff (churn) pressure plus the maximum static suction pressure, adjusted for elevation, shall not exceed the pressure for which the system components are rated. 4.7.7.2* Pre...
    abircuet2010
    last modified by abircuet2010
  • NFPA Receives DOE Award to Further Safe Adoption of Electric Vehicles and Community Preparedness

    The National Fire Protection Association (NFPA) has received an award from the U.S. Department of Energy (DOE) to help communities prepare for electric vehicle (EV) growth in the U.S. NFPA will oversee the three-year ...
    cathylongley
    last modified by cathylongley
  • NEC 110.3 Compliance 

    Hello, I am perplexed in my efforts as a Quality Manager for electrical power distribution center manufacturer trying to insure our internal manufacturing processes are in compliance with NEC requiremen...
  • Ruminating About Research

    This infographic is also available in Spanish at www.nfpa.org/foundation   I recently sat in on an information-sharing session called Coffee Time at NFPA. Coffee Times are conducted (internally, but virtually the...
    jimpauley
    last modified by jimpauley
  • NFPA 70 NEC 2020 230.85

    Will the emergency disconnect be required for replace and/or upgrade to an existing dwelling service?
    cjolley
    last modified by cjolley
  • How are NFPA Standards Keeping Pace with Innovation?

    As National Cybersecurity Awareness Monthwinds down, it's a great time to look at the ways that NFPA codes and standards are addressing digital transformation and the byproduct of these solutions – the data...
    cathylongley
    last modified by cathylongley
  • Mythblaster Monday - Put the Freeze on this Myth about Home Fire Sprinklers in Winter

    Throughout our Mythblaster Monday series, we have pointed to resources that identify the benefits of home fire sprinklers and help combat the misinformation that surrounds them. Last week we debunked a myth frequently...
    cthompson
    created by cthompson
  • Lowe’s Educates Communities about Home Fire Safety and Supports Local Fire Departments during Fire Prevention Week

      Along with the tremendous outreach efforts we saw from fire departments and safety educators in support of Fire Prevention Week this year, a wide range of businesses and organizations actively engaged in the c...
    susanmckelvey
    last modified by susanmckelvey
  • Maximum working pressure

    1. As per NFPA 20 "4.7.7.1 The net pump shutoff (churn) pressure plus the maximum static suction pressure, adjusted for elevation, shall not exceed the pressure for which the system components are rated." My questio...
    abircuet2010
    last modified by abircuet2010
  • 9.3.3 2016 NFPA 20

    I have an electric fire pump whereby the contractor wants to use a diesel fire pump for the backup.  I don't know why and I've never seen a setup like this before.  Usually I always get electric fire pump wi...
    chiefns830
    last modified by chiefns830
  • Gas Control Valve Location

    NFPA 17A states that a gas control valve for a wet chemical suppression system must be in an accessible location. I understand that this means the device must be accessible without removing or altering building elemen...
    christopher.tumeo
    last modified by christopher.tumeo
  • Accessible means of egress

    According to NFPA 101 section  7.5.4.1* Areas accessible to people with severe mobility impairment, other than in existing buildings shall have not less than two accessible means of egress, unless otherwise provi...
    Mostafa Magdy
    last modified by Mostafa Magdy
  • does fire detection require if there are sprinklers?

    Dear Community,   I'm interested in if it's Allowed do not instal fire detection in area if there are instaled sprinklers?    
    gk.karkashadze
    last modified by gk.karkashadze
  • Luminaire Weight

    Hello,   What is the maximum weight allowed for a luminaire that is supported by an electrical cord?   For luminaires supported by the screw shell of a lampholder, NEC 410.30 says it can't exceed 3kg or 40...
    byronc
    last modified by byronc
  • Conduit for battery cables

    I'm trying to get a definitive answer about if a 48V battery bank has to have its cables in conduit. 2014 NEC 690.71(B)(2) said "Live parts of battery systems for dwellings shall be guarded to prevent accidental conta...
    rosewood
    last modified by rosewood
  • NFPA 13: 2013 Edition 9.3.2.3.1.(2) Location of Flex Couplings

    Clarification required regarding Code 9.3.2.3.1.(2) NFPA 13: 2013 Edition. In a multistorey building where 4" standpipe penetrates the landings on each floor which is constructed using 12" Floor Joists, a plywood subf...
    bfinnigan
    created by bfinnigan
  • For a pressurized stairway, how to determine the design number of open doors.

    NFPA 92 version 2018 mentions that it is necessary that a staircase pressurization system should work with the "design number of open doors" open, but I can't find anywhere what this number should be.  There is a...
    ben_oregan
    last modified by ben_oregan