FREE E2 Special Occupancies Questions and Answers

Question 1

An inspector is reviewing the electrical installation in a patient care space of a hospital.
According to NEC Article 517, which of the following wiring methods is required for all branch circuits serving this area?

Accepted Answer

A metal raceway or a cable with a metallic armor or sheath

Answer

Non-metallic sheathed cable (Type NM)

Answer

Electrical nonmetallic tubing (ENT)

Answer

Rigid polyvinyl chloride conduit (PVC)

Question 2

In a commercial garage used for vehicle repair, what is the classified hazardous area on a floor at grade level, according to NEC Article 511?

Accepted Answer

The area up to 18 inches above the floor is a Class I, Division 2 location.

Answer

The entire area is a Class I, Division 1 location.

Answer

The area within 5 feet of any fuel pump is a Class I, Division 1 location.

Answer

Only pits or depressions below floor level are considered classified locations.

Question 3

Which of the following fixed wiring methods is generally permitted in a theater's auditorium classified as an assembly occupancy under NEC Article 518, provided it is not required to be of fire-rated construction?

Accepted Answer

Nonmetallic-sheathed cable (Type NM)

Answer

Open wiring on insulators

Answer

Concealed knob-and-tube wiring

Answer

Service-entrance cable (Type SE)

Question 4

An electrical inspector is examining a movie theater. According to NEC Article 520, branch circuits supplying footlights, border lights, and proscenium sidelights are generally limited to what maximum amperage?

Accepted Answer

20 amperes

Answer

15 amperes

Answer

30 amperes

Answer

50 amperes

Question 5

In a Class I, Division 1 hazardous location, which of the following wiring methods is permitted by NEC Article 501?

Accepted Answer

Threaded rigid metal conduit (RMC) or threaded steel intermediate metal conduit (IMC)

Answer

Electrical Metallic Tubing (EMT)

Answer

Rigid PVC conduit

Answer

Flexible metal conduit (FMC) without a bonding jumper

Question 6

A new hospital is being built. The essential electrical system (EES) is divided into multiple branches. Which of the following systems is specifically required by NEC Article 517 to be connected to the life safety branch?

Accepted Answer

Alarm and alerting systems

Answer

Patient care receptacles in the ICU

Answer

Surgical lighting systems

Answer

Medical air compressors