Can steel conduit be used as an equipment grounding conductor?

Steel conduit is a suitable choice for use as an equipment grounding conductor because it is made from conductive material, allowing it to effectively carry fault current. In the event of an electrical fault, such as a short circuit, the steel conduit can serve as a path for the electrical current to safely return to the ground. This capability is crucial for preventing electrical shock and ensuring safety in electrical systems.

Using steel conduit for grounding also ensures that equipment is grounded reliably, contributing to the overall safety and functionality of electrical installations. Unlike non-conductive materials, steel provides a robust and durable pathway for fault current, making it an effective grounding method.

The other choices don't align with standard electrical code practices. For instance, stating that steel conduit cannot conduct electricity is incorrect, as it can indeed conduct under the right conditions. The idea that it can only be used under specific conditions might hint at misunderstandings about its universal applicability in grounding, while the restriction to residential wiring disregards its broader use in various applications across different environments.