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A receptacle beside a bathroom sink has no cover plate and the device is loose in the box. Why is this reported?

NHIE exam practice question · Electrical

A receptacle beside a bathroom sink has no cover plate and the device is loose in the box. Why is this reported?

  • The condition allows contact with energised terminals
  • BThe receptacle will not accept a three-prong plug
  • CLoose devices increase the circuit's resistance
  • DCover plates are required for appearance only

Explanation

Understanding the question

The cover plate and the mounting screws are not finish items; they are the barrier that keeps fingers away from live parts. A receptacle's terminal screws sit at its sides and remain energised whether or not anything is plugged in, so a missing plate exposes them directly. A device loose in its box compounds the problem by letting the receptacle move back and shift within the opening, which enlarges the gap and can flex the conductors at the terminals. The location makes it worse still: a bathroom sink means water, wet hands and a grounded plumbing path, which is exactly the combination that turns contact into a serious shock. This is reported as a safety defect, and the presence or absence of GFCI protection does not change that, because GFCI protects against a ground fault rather than against contact between two energised terminals.

Why the correct answer is correct

Without a cover plate and with the device loose, the energised terminal screws at the sides of the receptacle are accessible to touch. Beside a sink, with water and a grounded path present, that is a shock hazard and is reported as a safety defect.

Background

Receptacles must be securely fastened in their boxes and fitted with cover plates so that energised parts are not accessible. Bathrooms add water and grounded plumbing, which raise the consequence of contact, and separately require GFCI protection.

The Plate Is the Barrier

The Plate Is the Barrier, not the trim. Behind it are live screws that do not care whether anything is plugged in.

Exam tip

While you are at a bathroom receptacle, confirm GFCI protection separately. The two are distinct findings and both are commonly tested.

Common mistakes

  • Treating a missing cover plate as a cosmetic item
  • Assuming GFCI protection makes exposed terminals acceptable
  • Reporting the loose device as an electrical performance issue

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