Understanding NEC Article 355: Reinforced Thermosetting Resin Conduit (RTRC) Introduction NEC Article 355 provides guidelines for the use, installation, and construction of Reinforced Thermosetting Resin Conduit (RTRC). Known for its lightweight and durable properties, RTRC offers excellent resistance to corrosion, chemicals, and moisture. This conduit is widely used in industrial, commercial, and utility applications, especially […]