Hello all. I have an easement on my property that runs from an electrical pole on the road, back, underground about 800 feet to a neighbors yard where it stops at a transformer. There is a creek the runs perpendicular to the line. This is what the "buried" high voltage line looks like at my creek. Turns out the kids were down here playing and… Show more
It is extremely disappointing that unlike NEC 2017 and its handbook, the NEC 2020 edition and its handbook are not available in PDF format that you can store on your computer as a digital resource and access it anywhere. The availability of NEC 2020 & its handbook only as a print and online digital format will make its access extremely difficult… Show more
NFPA 99 (2015 edition) 220.127.116.11.6.2 (D) notes a receptacle is not required in bathrooms If a receptacle is installed would a hospital grade be required? Part A required hospital grade at patient bed locations. Is a receptacle for use by a television in the same patient room required to be hospital grade ?
If a door frame carries a 20-minute label, does the door itself have to match that, or can it exceed that? In other words, if the frame has a 20-minute label, does the door have to also have a 20-minute label, or does it matter if the door has a 90-minute rating?
Labels – Fire door assemblies can be identified by a label on the edge of the door or the rabbet on the frame. The label must be legible, and will include important information about the assembly – ie. the number of minutes the assembly has been listed to withstand fire, the manufacturer, the minimum latch throw, and/or the indication that fire…
NFPA 13R Expert Required I have a project that requires an expert in the implementation details NFPA 13R compliant water-based fire sprinkler systems installed in the attics of condominiums and apartments. Complying with the requirement that attics having these systems installed be maintained at 40 degrees F or above or apply an insulated tent… Show more
Not an expert installer, but done a lot of inspections of the systems. In cold climates, the installation of wet sprinkler piping in attic exposed to freezing temperatures have always been problems in our area especially with heat trace when everyone thinks they can not freeze. I am with Johnathon - Keep the piping out of attic as the attic…
It is understood that 1600 kv oil type transformer is considered high hazard but I can’t find code reference for fire protection system requirements. The transformer room is part of building structure. NFPA 70 required minimum 3 hour fire rated enclosure and permitted to reduce it to 1 hour if the room provided with automatic sprinkler, water… Show more