Lexan polycarbonate FieldBlock sustains contact with acids, basic solutions, and salts for general purpose and nonincendive (Class I, Div 2) process networking applications with flexible wiring systems. Enclosure incorporates bus I/O modules or drop connectors using quick connectors, cable tray wiring, or hard conduit. Wiring is quick and secure with clearly labeled terminal strips or quick connector pin configurations. Glands with rubber grommets compress wires to form tight waterproof seal.