What is the primary function of a ground wire in raceway systems?

The primary function of a ground wire in raceway systems is to provide a safe path for stray electricity. This is crucial for electrical safety, as the ground wire helps to protect both equipment and personnel from electrical faults that may occur. In the event of a fault, such as a short circuit, the ground wire safely directs the excess current away from sensitive components and towards the ground, effectively preventing electric shock hazards and reducing the risk of fire caused by faulty wiring. This pathway allows electrical systems to operate reliably while minimizing the potential dangers associated with electrical failures.

Other functions, such as connecting circuit components directly or increasing the load capacity of the raceway, do not align with the purpose of a ground wire. Additionally, while a ground wire can contribute to the overall safety of a structure, its main role is not to support the physical structure of the raceway itself.