Which of the following materials can be used to protect a Grounding Electrode Conductor (GEC) from physical damage?

A Grounding Electrode Conductor (GEC) must be protected from physical damage to ensure its integrity and effectiveness in providing a safe grounding system. When considering the materials used for this protection, it is essential to understand their properties and applications.

Rigid Metal Conduit (RMC) is a robust option that provides strong physical protection. It is durable and capable of withstanding significant impacts and environmental conditions, making it a suitable choice for protecting the GEC. Schedule 40 PVC, while not as strong as RMC, is also a viable option. PVC provides some level of physical protection against typical environmental factors and is lightweight and resistant to corrosion, making it useful in areas where metal conduits may be undesirable.

The answer indicates that either RMC or Schedule 40 PVC can be used, which aligns with the code requirements. Consequently, this reflects an understanding that both materials meet the necessary standards for protecting the GEC. The choice confirms the use of appropriate methods in choosing materials that will safeguard the GEC from physical harm while allowing flexibility depending on job site conditions and specific installation requirements.