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)
The IP protection rating system is a standard defined in international standard IEC 60529. This rating system classifies the degree of protection provided by an electrical equipment enclosure against solid objects (such as dust) and liquids (water, oil, etc.).For this example, weâll use the OLCT100 gas detector with an IP66 certification.). The first number corresponds to the degree of protection provided against solid objects. The second number corresponds to the degree of protection provided against liquids.