Mayer once remarked: People do seem surprised at how tall I really am. At 6'3, Josh Duhamel definitely has that whole tall, dark and handsome thing going. With a commanding voice and brash demeanor, Kimora Lee Simmons is impossible to ignore. Her 6 foot frame is just icing on the scary cake.
Types of Explosion Protection for Electrical Equipments. Different construction techniques used for electrical equipments working in marine hazardous areas to prevent explosion. Explosion protection equipments are identified by the symbol Ex followed by the letter indicating the type of protection. Flameproof enclosure (Exd)
Type 3RX Electrical Enclosures. Type 3RX also appears in the NEMA documentation, but does not have an UL equivalent. These enclosures, as the name suggest, have a mixture of the 3R and 3X specifications. Namely, they provide protection against falling dust (but not windblown dust).