Which type of conduit is required for protecting grounding electrode conductors from physical damage?

Using Schedule 80 PVC conduit is appropriate for protecting grounding electrode conductors from physical damage due to its increased thickness and strength compared to Schedule 40 PVC. Schedule 80 PVC has a thicker wall, which offers better durability and impact resistance, making it suitable for environments where the conduit may be subjected to potential physical harm.

In situations where grounding electrodes are installed, they may be placed in areas where they could be exposed to mechanical forces, and using a more robust conduit like Schedule 80 provides an extra layer of protection. This is particularly important in commercial and industrial settings where equipment and personnel movement could pose risks to exposed conductors.

While other types of conduits, such as metal conduit, may also provide protection, Schedule 80 PVC is widely recognized for its non-corrosive properties and ease of installation. Protective applications often require materials that prevent physical impacts, which Schedule 80 effectively achieves.