What are three components of power distribution? (Choose three.)

Question

Options

• AFlexible conduit
• BCircuit / branch circuit
• CAutomatic Transfer Switch (ATS)
• DUninterruptible Power Supply (UPS)
• EGround Loop

• A
  3% (2)
• B
  73% (43)
• C
  7% (4)
• D
  2% (1)
• E
  15% (9)

Explanation

Power distribution systems rely on three core components: a circuit or branch circuit (B), an Automatic Transfer Switch (C), and an Uninterruptible Power Supply (D). A branch circuit is the fundamental pathway that delivers electrical current from a panel to outlets and devices, making it an essential building block of any distribution system. An ATS automatically switches the power source from utility to backup (such as a generator) during an outage, and a UPS conditions and maintains power continuity during brief interruptions - both are critical to reliable power delivery.

Flexible conduit (A) is a wiring enclosure method used to protect cables, but it is a mechanical installation component, not a functional element of power distribution itself. Ground loop (E) is an unwanted electrical phenomenon caused by multiple grounding paths creating a current loop - it is a problem to be avoided, not a system component.

Memory tip: Think of power distribution as a three-part chain - the circuit carries the power, the ATS controls which source feeds it, and the UPS ensures that source never drops out. If an option describes a conduit type or an electrical interference issue, it belongs to installation methods or troubleshooting, not distribution architecture.

No community discussion yet for this question.