html said:Anyone know about NEMA 3R enclosures in a class I div I area and with arcing and sparking devices inside of said enclosure. Are these to be monitered at all times by an attendant? Such as at a Natural Gas Compressor Station? I think they are.
What Standard does this come from? It is neither an NEC nor NFPA 496 requirement.petersonra said:... They generally are not gasketed, and that is one of the requirements.
What you are describing sounds like a ?Type X? system in NFPA 496. There are some very rigorous requirements, but being constantly monitored by an attendant isn?t one of them ? because it isn?t good enough.html said:Anyone know about NEMA 3R enclosures in a class I div I area and with arcing and sparking devices inside of said enclosure. Are these to be monitered at all times by an attendant? Such as at a Natural Gas Compressor Station? I think they are.
rbalex said:What Standard does this come from? It is neither an NEC nor NFPA 496 requirement.