What conduit material is required for the feeder in an electrical system for a townhouse development?

In electrical systems, the choice of conduit material is important for ensuring safety, reliability, and compliance with local codes. Rigid Steel Conduit (RSC) is typically preferred for feeder applications in townhouse developments for several reasons.

RSC provides robust mechanical protection due to its durability and strength, which is essential in a residential setting where the risk of physical damage to the conduit is higher. This conduit type is also effective in grounding and reducing electromagnetic interference, which is especially useful in larger electrical systems. Moreover, RSC is capable of withstanding environmental stresses, making it suitable for both indoor and outdoor use.

In addition to these safety benefits, RSC meets the requirements set forth in the National Electrical Code (NEC) regarding protection for feeder circuits, ensuring compliance with legal and safety standards. This combination of safety, durability, and regulatory compliance contributes to the decision to use RSC for electrical feeders in townhouse developments.