Level 4 module 12 Special Locations

bto All 125V, single-phase, 15A and 20A general-purpose receptacles mounted in an area of an agricultural equipotential plane are required to be of what type?

Ground fault circuit interrupter

The hazard classification of a fueling area in a marina is determined by the

construction of the fuel dock or pier

Storable pool filter pumps that are cord-connected must be

double-insulated

A disconnecting means must be used to open a fused disconnect or circuit breaker?

electrical supply

Bare bulbs used with backstage lighting must be,

equipped with lamp guards

Power outlets that supply on-stage portable switchboards shall be.

externally operated

Cords and cables used for border lights must be listed for

extra-hard usage

Building materials used in assembly occupancies are required to have a(n)

fire rating

(A 15A and 20A nonlocking type receptacles that are used to assemble or disassemble rides, amusements, or concessions, GFCI protection is required on all 125V, single-phase, or when exposed to the

general public

. Temporary wiring on a construction site must be removed. __________ when the job is done

immediately

A cord used to supply a landscape fountain must be

listed for wet usage

If two separate receptacles having different voltages and amperage ratings are installed in a single boat slip, the total load calculation must include

only the receptacle with the higher VA demand

A(n). _______________is often used to connect portable stage switchboards to fixed lighting outlets.

patch panel

When two or more wired partitions are electrically connected together, the cord must be terminated at an attachment plug-and-cord connector equipped with a

strain relief device

In an assured equipment grounding program on a job site containing temporary wiring, each receptacle and plug must be tested for the correct grounding conductor termination at intervals not exceeding

three months

Single insulated feeder and branch circuit conductors may be used to supply power for temporary testing, emergencies, experiments, and developmental work where accessible

to qualified persons only

Outlet boxes installed on the outside of a concession stand at a circus must be

weatherproof

In an area where temporary wiring supplies a voltage greater than ___________volts, a barrier has to be erected to keep unauthorized persons from entering the area.

600

According to the NEC®, cables on agricultural buildings must be secured within how many inches of any box, cabinet, or fitting to which they connect?

8"

Which of the following places would not be considered an assembly occupancy?

A doctor's office

Which of the following conduit types is not acceptable to carry branch circuit conductors for a swimming pool pump installed outdoors?

EMT

Which of the following is defined as the length of time it takes for a wood support exposed to fire to reach an average temperature rise of 121°F or an individual temperature rise of 325°F when the temperature is measured on the plane of the wood nearest the fire?

Finish rating

An amusement ride at a fair must have a disconnect switch within _____________feet of the ride operator.

6

On a floating pier, electrical connections within boxes that are not rated for submersion must be located at least___________ inches above the deck.

12

For floating structures that are installed to rise and fall in response to the water level without lateral movement, the electrical datum plane is 30" above the point at which the floating structure touches the water and a minimum of how many inches above the deck level?

12"

Conductors that supply footlights must have a minimum insulation rating of

125

Individual partitions or grouped partitions cannot contain more than how many receptacle outlets?

13

Individual partitions or grouped partitions cannot contain more than. _________receptacle outlets rated 15A, 25V.

13

The clearance in any direction to swimming pool observation stands, towers, or diving platforms for l insulated cables supported by a solidly grounded bare messenger wire or a grounded neutral conductor in a voltage range or OV to 750V to ground is

14.5'

Electrical nonmetallic tubing installed in club rooms of assembly occupancies must be concealed in walls, floors, and ceilings that provide a thermal barrier of material with a finish rating of at least

15 minutes

Underwater luminaries can be supplied with power not to exceed ___volts between circuit conductors.

150

Portable on-stage switchboards must be equipped with a pilot light and must be supplied by an individual branch circuit rated at

15A or less

Wall-mounted underwater luminaries must be installed so that the top of the lens is at least how many inches below the water level?

18

In areas subject to flooding, the electrical datum plane is

2' above the prevailing high water mark

The factor applied to the sum of the rating for 75 shore power receptacles is

30%

The ampacity of an extra-hard usage 12 AWG cord with an insulation rating of 90°C is

35A

In most cases, wiring may not be installed within ________feet horizontally from the inside wall of a pool.

5

Any fixed or stationary electric sign that is installed within a fountain must be at least how many feet inside the fountain, as measured from the outside edge of the fountain?

5'

Which of the following is an approved wiring method allowed in fire-rated construction?t

Metal-clad cable

Which of the following is not a requirement for flexible cables used as permanent wiring on a floating pier ?

Must be rated for hard usage

Switchboards installed in theaters and similar locations must comply with.

NEC Article 408

Electrical installations in and around natural and manmade bodies of water are covered in which of the following?

NEC Article 682

Equipotential planes of electrical installations the electrical grounding system using an insulated, covered, or bare solid copper conductor no smaller than related to manmade bodies of water must be bonded to

No 8 AWG

In agricultural buildings that require equipotential planes, the equipotential plane must be bonded to the grounding system with a bare or insulated solid copper wire no smaller than

No 8 AWG

Which statement about theater lighting and wiring is correct?

Portable switchboards must be installed within an enclosure.

Which of the following may be used to open a fused disconnect or circuit breaker?

Shunt trip

Luminaries used in agricultural buildings must be designed to minimize the entry of.

all of the above