The document discusses junction boxes of Series 8102 that are used to transport and distribute electrical energy in explosion hazard areas. The boxes have robust enclosures made of glass fiber reinforced polyester resin equipped with four sheath terminals and a PE connection. They are available in different versions with various cable gland and semi gland options and have an IP66 degree of protection. Technical specifications include an operating voltage up to 750V, current up to 25A, and operating temperature ranges depending on the version.