Final answer:
No, conduit body and boxes cannot serve as the grounding means instead of a grounding wire. Grounding wires are necessary for proper grounding in electrical systems to ensure safety.
Step-by-step explanation:
No, conduit body and boxes cannot serve as the grounding means instead of a grounding wire.
In electrical systems, grounding is a safety measure that helps protect against electrical shock and fires. It provides a path for electric current to flow safely into the earth in the event of a fault. A grounding wire, typically made of copper, is used to connect the electrical system to the ground.
Conduit bodies and boxes are used for the protection and routing of electrical wires, but they are not designed to serve as the grounding means. They do not provide a low-impedance path for electrical currents to flow into the earth. Therefore, a separate grounding wire is necessary to ensure proper grounding.