What are the primary functions of a device's mounting strap?

The primary functions of a device's mounting strap indeed include grounding, marking, mounting, and stabilizing.

Grounding is crucial for safety, as it helps to prevent electrical shock and equipment damage by redirecting excess current into the ground. Marking serves to identify the position or orientation of the device, making it easier for technicians to work on or inspect it. Mounting refers to how the device is securely attached to a surface, which ensures that it remains in place during operation. Stabilizing contributes to the overall safety and functionality of the device by minimizing vibrations and movement that could lead to wear or malfunction over time.

The other options do not accurately encapsulate the primary roles of a mounting strap. Connecting wires and isolating components tend to focus more on electrical connections rather than physical support. Enhancing conductivity and providing insulation relate to electrical performance rather than the physical aspects of mounting. Lastly, controlling voltage and maximizing efficiency are more about the device's operational characteristics than its physical stabilization and grounding functions. Therefore, the first set of functions captures the essential nature of what a mounting strap does effectively.