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Gibin George
Hi, I'm trying to get the NFPA clause related to the interfacing requirement for Extract fans and FCUs, I heard that these are not required to interface until they are not supplying fresh air. Can anyone help me to get this 'related NFPA clause'?
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Kedwin Dominguez
Good Afternoon   I'm currently working on a project in the preliminary engineering stage.  Does any have any recommendations for companies that develop Area Classification Maps? From what I've been told, the Insurance company typically is responsible for this map.  Since this is also a chemical concentration evaluation, this should
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Tammy Gammon
Hi, How can I safely connect a portable generator to supply power to a house? The house has a standby generator which no longer works, and the stator and rotor windings are completely shorted. I lease the house and thought a portable generator would be a more affordable solution. The standby system is connected to house power through an
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carl mister
See attached sketch for fire pump controller neutral. Fire pump controller has the service disconnecting means and transfer switch. The phase conductors on the normal side will be tapped in a separate section at the main switchboard. Since this is a service, per 250.24(c) the grounded conductor (neutral) needs to terminate at the service
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Colleen Racchi
We have recently came across a question on whether we have to sprinkler a space that contains electric HVAC equipment for residential rooms.  We are dealing with a NFPA 13 system that contains residential living units.  We are utilizing residential heads in this area and only calculating the most demanding four sprinklers.  In order
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shenc
PV array has been installed on the roof of a barn that is connected to the main residence by a series of additions. I was surprised to find that the barn has its own overhead service. The PV installer ran the interconnecting feeders through the barn roof to the exterior wall, then along the exterior of the additions to the main residence, where he
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RYAN QUINN
  Job Responsibilities: We are currently seeking a Senior Fire Protection Engineer (FPE) to join our growing Fire Protection Team located in our Atlanta Corporate office. This position reports directly to the Director of Fire Protection Engineering & Code Services and will serve in a Consultant role to our internal project teams as
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