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)
Most electrical devices, and the wiring connections to those devices, must be enclosed in an approved electrical box, often called a junction box. This electrical box may be either metal or plastic but must be covered with a box cover to protect the wiring within and protect you from the wiring within.