Which of the following devices are MOST likely to have a grounding wire attached to them based on the manufacturer's design? (Select two.)

Question

Options

• AUPS
• BServer rack
• CPoE phone
• DDesktop printer
• EModem
• FPatch panel

• A
  89% (34)
• D
  3% (1)
• E
  5% (2)
• F
  3% (1)

Explanation

A UPS (Uninterruptible Power Supply) handles high voltages and significant electrical loads, so manufacturers design it with a dedicated chassis ground connection - often a separate green grounding wire or lug in addition to the standard three-prong power plug. A server rack is a metal enclosure housing multiple high-powered devices; manufacturers specify and often include a dedicated grounding wire or bonding strap to bond the rack to the building's ground bus, preventing dangerous voltage differentials between equipment. PoE phones draw power over Ethernet and have no need for a separate grounding wire. Desktop printers may use grounded plugs but do not typically include a separate, dedicated grounding wire by design. Modems and patch panels are passive or low-voltage devices that manufacturers do not typically equip with a separate grounding wire.

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