2007年12月3日 · I have some vendor information that states that the panel will be compliant with NEMA 7 enclosure. In our spec it calls from explosion proof and compliant with IEC 60529 …

2021年7月19日 · A NEMA 4X breather/drain is all that is necessary here, which I don’t see in those boxes. But certainly NEMA 7 with a breather/drain would work, it’s just kind of over kill. …

2008年6月16日 · Can anybody tell me the exact definition of a NEMA 7X enclosure. Our best guess here, backed by some research, is a ENMA 7 enclosure that meets all the requirements …

2018年5月15日 · NEMA 7 is not a testing authority, it is a set of industry design standards that helps people pick out products more quickly. FM and UL are testing and listing agencies. So if …

2008年10月14日 · Certainly NEMA 7 doesn't mean jack in the ATEX world. That ATEX certification looks incomplete anyway, there should be a gas group and temperature class …

2014年8月23日 · Can someone tell me if there is a way to use a PLC+HMI in a NEMA 7 enclosure (explosion-proof enclosure)? Hazardous Location is Class I, Division 2, Group D. I …

2004年7月28日 · Typically division 2 junction boxes are NEMA 4X. Offshore I find that the plastic enclosures hold up better than stainless. Many standard pressure switches, etc. are available …

2003年4月24日 · Does IP67 rated instruments meet the requirments for a Class II, Div 2, Group G area. The Nema rating for this type of area clasification is Nema 9 which is for indoor use. The …

2008年1月29日 · I have a large electrical immersion heater (120kW) in Class 1 Div 2 location. The terminal box is NEMA 4. The manufacturer claims it is suitable for Class 1 Div 2 under NEC …

2004年8月6日 · CEMA is, I belive, defunct. At one time I heard their standards had been adopted by EEMAC (or maybe they became EEMAC). In either case their enclosure standards, as …