2023 Practice Exam – Timed Journeyman

In a Motor Fuel Dispensing Facility, when installed in metallic conduit, underground wiring shall be installed in threaded rigid metal conduit or ______________.

Ground clamps or other fittings exposed to physical damage shall be enclosed in _________.

A 3000 square foot retail store has 30 ft of show windows. There are a total of 100 duplex receptacles and the service is 120/240V, single-phase 3-wire. Calculate the minimum size overcurrent protection for the service.

For a solidly grounded wye service the ground fault protection system shall operate to cause the service disconnect to open all ungrounded conductors of the fault circuit. The maximum setting of the ground-fault protection shall be____________________ amperes, and the maximum time delay shall be one second for ground-fault currents equal to or greater than _________________________ amperes.

In a commercial garage, where an EV charging cord is suspended from overhead, it shall be arranged so that the lowest point of sag is at least __________ above the floor.

Conductor ampacity for Alternating Current adjustable voltage motors shall be based on the __________ marked on the motor nameplate.

In an ungrounded 240-volt 3-phase system, an equipment grounding conductor shall be installed with the supply conductors and be connected to the building or structure disconnecting means and to the grounding electrode(s). The grounding electrode(s) shall also be connected to ___________________.

If the connection of load is __________ or nonautomatic, an optional standby system shall have adequate capacity and rating for the supply of all equipment intended to be operated at one time.

A disconnecting means shall be provided for all ____________ derived from a stationary standby battery with a voltage over 60-volts DC.

Fire-resistive cable system cables and conductors shall be surface marked with the suffix ____________.

An installation consists of 15 electric ranges, each rated at 12 kW. According to Table 220.55, what is the maximum demand load for this installation?

In a patient Care Area, metal enclosures containing a receptacle must be connected to a(n) ___________.

Metal Cable tray can be used as an equipment grounding conductor where _______________________.

Where buried in masonry or concrete, threadless couplings shall be ____________________.

In Cellular Metal Floor Raceways, junction boxes used with these raceways shall be of metal and shall be __________________.

A single-phase motor is using a a Dual Element (Time-Delay) Fuse as it’s short-circuit and ground-fault protection means. This Dual Element fuse’s rating must not-exceed ____________ of the motor’s Full-Load Current.

What is the minimum size Flexible Metal Conduit ( FMC) that can be used to house the following conductors: (1) 1AWG THHN
(2) 2AWG THHN
(2) 4AWG THHN

What is the minimum size RHW copper tap conductor required to supply a 50A load, if the tap is 9ft from the load.

Transformers who’s disconnecting means are located in a remote location, shall be __________.

_________________ is NOT permitted to be installed in ducts specifically fabricated to transport environmental air.

The Full-Load Current (FLC) of a 100-HP 500 volt DC motor is __________________.

spray paint equipment within the classified areas of membrane enclosures during spray painting, shall be __________.

Where more than one piece of X-Ray equipment is operated from the same high-voltage circuit, each piece or each group of equipment as a unit shall be provided with a(n) __________________________.

For a storage warehouse, what portion of the lighting load does a 50% demand factor apply to?

At a high school, the general lighting load shall be calculated at __________ VA per square foot.

The minimum cover for a 2″ Rigid Nonmetallic Conduit approved for direct burial under an airport runway is ________________.

The full-load current of a 3-phase 230V, 5HP AC wound-rotor motor is _________________.

Electrical wiring for lighting, where installed inside of tents and concessions, shall be securelyinstalledand, where subject to physical damage, shall be provided with ________________________.

A dead end of a busway shall be ____________________________.

If FMC is used to connect equipment where flexibility is necessary to minimize the transmission of vibration from equipment or to provide flexibility for equipment that requires movement after installation, a(n) __________ shall be installed.

Fire alarm circuits shall be identified _____________ in a manner that helps prevent unintentional signals on firealarm system circuit(s) during testing and servicing of other systems.

If installed for the reduction of electromagnetic interference on the equipment grounding conductor, an isolated ground receptacle’s grounding terminal shall be connected to a(n) __________ run with the circuit conductors.

All 15- and 20A, 125- and 250V nonlocking-type receptacles in childcare facilities shall be listed tamper resistant receptacles, except in which of the following instances:

The ampacity of electric pool water heaters shall not be less than _______________ of the total nameplate rated load.

What is the maximum allowed 1/0 AWG THHN conductors that can fit in a 1 1/2″ EMT conduit?

Which of the following outdoor enclosure types are approved for wind-blown dust applications?

A conductor installed on the supply side of a service that ensures the required electrical conductivity between metal parts required to be electrically connected is a:

The width of working space in front of electrical equipment shall be the width of the equipment or _______________ inches, whichever is greater

Underground raceways and cable assemblies entering a hand-hole enclosure shall extend into the enclosure, but they shall not be required to be _______________ to the enclosure.

Exposed structural metal that is interconnected to form a metal building frame and is not intentionally grounded or bonded and is likely to become energized shall be bonded to a(n) _______________.

For cord-connected equipment a separable connector or a(n) _______________ shall be permitted to serve as thedisconnecting means.

Switches or circuit breakers _______________ disconnect the grounded conductor of a circuit where all circuit conductors are not disconnected simltaneously.

An intersystem bonding termination for connecting intersystem bonding conductors shall be provided_______________enclosures at the service equipment or metering equipment enclosure and at the disconnecting means for any additional buildings or structures.

Splicing of the wire-type grounding electrode conductor shall be permitted only by __________ listed as grounding and bonding equipment or by the exothermic welding process.

In damp or wet locations, surface-type meter sockets shall be mounted so as to prevent moisture or water from entering and accumulating within the cabinet or cutout box, and shall be mounted so there is at least _______________ inch(es) of airspace between the enclosure and the wall or other supporting surface.

A device that, by insertion in a receptacle, establishes a connection between the conductors of the attached flexible cord and the conductors connected permanently to the receptacle is a(n):

GFCI protection shall be installed in the branch circuit supplying underwater luminaires operating at _______________.

An incandescent lamp for general use on lighting branch circuits shall not be equipped with a mogul base if rated over _______________ watts.

The total rating of utilization equipment fastened in place, other than luminaires, shall not exceed __________ of the branch-circuit ampere rating where lighting units, cord-and-plug-connected utilization equipment not fastened in place, or both, are also supplied.

Ceiling outlets, where used exclusively for lighting, shall be required to support a luminaire weighing a minimum of _______________ lb.

Type SE cable shall be permitted for use where the insulated conductors are used for circuit wiring and the uninsulated conductor is used only for _______________ purposes.

A 1/0 copper grounding electrode conductor is used for what size ungrounded service- entrance conductors?

In grounded systems the earth _______________ considered as an effective ground-fault current path.

Which of the following list all standard ampere ratings for fuses and inverse time circuit breakers?

An insulated grounded conductor of 4 AWG or larger shall be identified by which one of the following means:

The rating of any one cord-and-plug-connected utilization equipment not fastened in place shall not exceed _______________ percent of the branch-circuit ampere rating.

FMC shall not be used _______________.

In _______________ locations a flush-mounted switch or circuit breaker shall be equipped with a weather-proof cover.

A 4″ x 2 1/8″ x 2 1/8″ metal square box, with no devices or clamps installed, shall be allowed to have a maximum of _______________12 AWG conductors.

Exposed, normally non-current-carrying metal parts of fixed equipment supplied by or enclosing conductors or components that are likely to become energized shall be connected to an equipment grounding conductor under which of the following conditions:

An incandescent lamp for general use on lighting branch circuits shall not be equipped with a medium base if rating over __________ watts.

The branch-circuit conductor(s) ampacity shall not be less than ________ of the load of fixed electric space-heating equipment and any associated motor(s).

Overhead service conductors, where the voltage does not exceed 150 volts to ground, shall have a minimum clearance of __________ feet from final grade above pedestrian sidewalks.

For enclosures in wet locations, raceways entering above the level of uninsulated live parts shall use fittings listed for _______________.

Type NM, Type NMC, and Type NMS cables shall be permitted to be used in _______________.

In a bathroom where receptacles are installed within 6 feet from the top inside edge of the _______________, they must be GFCI protected.

Where connected to a branch circuit supplying two or more receptacles or outlets, a 30A receptacle shall not supply a total cord-and-plug connected load in excess of:

A branch-circuit OCPD is a device capable of providing protection for service, feeder, and branch circuits and equipment over the full range of over-currents between its _______________ and its interrupting rating.

Where a branch circuit supplies continuous loads or any combination of continous and non-continous loads, the rating of the overcurrent device shall not be less than the non-continous load plus _______________ percent of the continuous load.

The conductor between the surge arrester and the line, and the surge arrester and the grounding connection shall not be smaller than _______________.

Electrical wiring installed in rigid metal conduit (RMC) that is below the surface of a Class I, Division 1 location shall be sealed within _______________ feet of the point of emergence above grade.

Determine the motor overload protection for a 25HP, 460V, 3-phase, squirrel-cage motor who’s nameplate lists: 32 FLA, Design B, and Service Factor 1.15.

A 75 kVA 3-phase 480V transformer is fed from a 3-phase 200A fused disconnect. The transformer secondary feeds a 3-phase 120/208V panel less than 25 feet away from the transformer. Size the primary overcurrent protective device that must be installed at this panel, assuming no secondary overcurrent protection will be used.

What is the minimum size equipment grounding conductor required for a feeder consisting of (2) 250kcmil THWN-2 conductors protected by a 250A OCPD?

Intrinsically safe circuit conductors in grounded metal-sheathed cables where the sheathing or cladding is capable of carrying fault current to ground, shall _______________.

If the generator is installed as a nonseparately derived system, and overcurrent protection is not integral with the generator assembly, a(n) _______________ shall be installed between the generator equipment grounding terminal and the equipment grounding terminal of the disconnecting mean(s).

Open outside branch circuit conductors shall be separated from open conductors of other circuits or systems by not less than:

All electrically conductive objects that convey flammable or combustible liquids in spray applications _______________.

A(n) _______________ shall be permitted to be used in lieu of a box at the end of a rigid metal conduit where the raceway terminates at unenclosed controls or equipment.

Motor-generator sets, transformers, rectifiers, rheostats, and similar equipment for the supply or control of current to projection or spotlight equipment shall, where nitrate film is used, be located __________.

A generator is fed with 250 kcmil copper ungrounded conductors. This generator shall have what sized minimum system bonding jumper?

For field installed neon secondary conductors over 1000 volts, the length of the secondary circuit conductors from the transformer leads to the first neon tubing electrode shall not exceed _______________ where installed in metal conduit or tubing.

Fixed equipment above class I locations that may produce arcs or sparks shall be of the _______________ type.

Which of the following is a permitted wiring method for permanent installations in motion picture and television studios?

Sheet metal auxiliary gutters shall be supported and secured throughout their entire length at intervals not exceeding _______________.

Where supplementary overcurrent protection is used for appliances, it _______________ as a substitute for required branch-circuit overcurrent devices.

A bare 4 AWG compact copper conductor has a diameter of _______________.

Any combustible wall exposed between the edge of a luminaire canopy and an outlet box having a surface area of _______________ shall be covered with noncombustible material.

A sign shall be placed at the __________ for other than one- and two-family dwellings that indicates the type and location of each on-site optional standby power source.

Resistors and reactors shall have a clearance of not less than _______________ from combustible materials.

Where the secondary resistor of a wound-rotor AC motor is separate from the controller, and the motor is rated for light intermittent duty, the ampacity of the conductors between controller and resistor shall not be less than:

Where a controller is built in as an integral part of a(n) _______________, individual marking of the controller shall not be required if the necessary data are on the nameplate.

A space not less than _______________ shall be provided between the top of a switchboard and any combustible ceiling.

Restricted Access, as it applies to adjustable-trip circuit breakers, shall be defined as located behind:

Each branch-circuit disconnecting means rated _______________ or more and installed on solidly grounded wye electrical systems of more than 150V to ground, but not exceeding 1000V phase-to-phase, shall be provided with ground-fault protection of equipment.

The entire space within and under a dispenser pit or containment in a motor fuel dispensing facility is classified as a(n):

The supply circuit to the mechanical ventilation equipment of charging equipment for an electric vehicle, shall be electrically __________ with the equipment and shall remain energized during the entire electric vehicle charging cycle.

Where outdoor lampholders are attached as pendants, the connections to the circuit wires shall be __________.

Cable trays used to support service-entrance conductors shall contain only service-entrance conductors and shall be limited to _______________,

Transformers insulated with listed less-flammable liquids that have a fire point of not less than 300°C shall be permitted to be installed in Type I or Type II buildings, in areas where the transformer is rated 45,000 volts or more.