Which devices are MOST likely to have a grounding wire based on manufacturer design?

A UPS (Uninterruptible Power Supply) is designed to provide backup power and surge protection to electronic devices. Given that UPS devices often serve critical equipment like servers and networking devices, they incorporate a grounding wire to ensure safety and proper electrical function. The grounding wire helps protect both the UPS and the connected equipment from power surges and electrical faults by providing a safe path for excess voltage.

Additionally, grounding in UPS systems is essential for the prevention of electrical interference, which can degrade performance over time. This is particularly important in environments where uptime is crucial, such as data centers. The grounding wire also complies with safety regulations, ensuring the UPS operates reliably without posing an electrical hazard.

In contrast, while a server rack may have grounding provisions, it is not the device itself that typically includes a grounding wire; rather, it is the equipment placed within the rack that might have individual grounding requirements. Desktop printers and modems focus primarily on functionality and are less likely to include dedicated grounding wires since they operate with lower power levels and do not typically handle sensitive data or substantial electrical loads that necessitate grounding.