What is defined as a tube or duct for protecting and routing electrical wiring?

A conduit is a tube or duct specifically designed to protect and route electrical wiring. It is typically made of metal, plastic, or fiberglass and provides a safe passage for electrical cables, helping to shield them from physical damage and environmental hazards. Conduits are essential in both residential and commercial electrical installations as they help maintain safety standards and prevent electrical hazards such as short circuits or electrical fires.

Using conduit not only protects the wires but also offers a structured way to organize electrical systems, making installations more efficient and compliant with electrical codes. The versatility of conduit types—such as rigid, flexible, or liquid-tight—allows electricians to choose the best option based on the specific requirements of a project, taking into account factors like installation environment and wire type.

In contrast, insulation is primarily used to cover wires for preventing electrical leakage, casing often refers to the outer structure that houses a device rather than specifically routing wiring, and connectors are the components that join two or more electrical wires together, rather than serving as a protective pathway. Understanding these distinctions enhances the application of electrical wiring standards and safety measures in practical settings.