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  • Users: CMurry
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  1. CMurry

    Arch Flash Labeling

    I have two electric panels 3000 and 4000 amps. What would be the proper Arch Flash Labeling on these panels? This is a high rise commercial building and maintenance staff does not have the authority to open these panels. Thanks.
  2. CMurry

    NFPA Code for Stairwell Signage

    Folks, I am trying to grab an IFC of NFPA code which outlines the application and design requirements for stairwell and lobby direction signs. Thanks
  3. CMurry

    Abandoned Cabe Commercial Building

    Folks, What is the NEC code for abandoned cabe in office building? Is there a NFPA code for the same? Thanks
  4. CMurry

    Fire Retardant Products

    Folks, I am investigating two types of products for commercial highrise buildings. 1. Coating steel beams with spray on fire retardant for small areas missing coating. 2. Filling holes in floors and walls where pipes protrude through this includes concrete and drywall. Thanks
  5. CMurry

    Electric heaters in commercial buildings

    Folks, Does anyone know of a NFPA or NEC code that pertains to an electric heater attached under a laminated desk? Further more a code for portable electric heaters in commercial building. Thanks
  6. CMurry

    NEC Shunt trip

    Can someone quide me to the NEC references for shunt trips concerning elevators? Thanks CM
  7. CMurry

    BTU equation

    Can someone refresh my mind with the equation to calculate Btu's to Tons CO2? Thanks CM

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