The phenomenon whereby a circuit stores

electrical energy is called __________.

A general term including material, fittings, devices,

appliances, fixtures, apparatus, and the like used as a

part of, or in connection with, an electrical installation is

__________.

A switch intended for use in general distribution and

branch circuits. It is rated in amperes, and it is capable of

interrupting its rated current at its rated voltage, is a

__________ switch.

The permanent joining of metallic parts to form an

electrically conductive path that will ensure electrical

continuity and the capacity to conduct safely any current

likely to be imposed is known as __________.

An instrument that is used to measure the

diameter of a wire or cable to thousandths of an inch

is a __________.

A squirrel cage motor can be started at full voltage.

I. Design A

II. Design B

III. Design C

IV. Design D

A __________ is a braking system for an electric

motor.

I. Friction braking

II. Plugging

III. Dynamic braking

Rigid metal conduit is permitted for wiring in

hazardous locations if the conduit is threaded and made

up wrench tight with at least __________ full threads.

A circuit breaker that has purposely introduced a

delay in the tripping action and which delay decreases as

the magnitude of the current increases is a __________

It is the intent of this Code that factory installed internal

wiring or the construction of equipment need not be inspected

at the time of installation of the equipment, except to

__________.

I. Detect alteration

II. Detect damage

III. Detect insulation type

A premises wiring system whose power is derived

from a source such as a transformer that has no direct

connection to the supply conductors originating in

another system is a/an __________ system.

Listed or labelled equipment shall be installed, used,

or both, in accordance with any instructions included

__________.

I. By the foreman

II. In the listing or labelling

III. With the equipment from the manufacturer

Where conductors with an ampacity higher than

the ampere rating or setting of the overcurrent

device are used, the __________ shall determine the

circuit rating.

__________ are permitted to protect motor branch

circuit conductors from overload.

I. Thermal relay

II. Inverse time circuit breakers

III. Time delay fuses

The power factor of an incandescent

light bulb would be __________.

__________ is a pliable raceway.

I. EMT

II. ENT

III. PVC

Flexible cords and cables shall be protected by

__________ where passing through holes in covers,

outlet boxes, or similar enclosures.

I. Fittings

II. Bushings

III. Tie wraps

A transformer would most likely have

__________ efficiency.

When alternating current flows through a conductor, there is an

inductive action that causes the current in the conductor to be forced

toward the outer surface. The current is greater at the surface than at

the center of the conductor, this __________ will cause the resistance

in the conductor to increase due to the increased heating of the

conductor.

A value assigned to a circuit or system for the

purpose of conveniently designating its voltage

class is __________.

A type of AC motor that runs at a constant speed

and is used for such purposes as an electric clock

motor is a __________ motor.

__________ is the resistance at the point of

contact of two conductors or one conductor and

another surface.

__________ is/are classified as a conduit body.

I. LB fittings

II. FS fittings

III. LR fittings

__________ raceways are not suitable to

enclose conductors that are subject to physical

damage.

A low power factor in an industrial plant

is most likely caused by __________.

Where lighting outlets are installed in interior

stairways, there shall be a wall switch at each floor level

to control the lighting where the difference between

floor levels is __________ steps or more.

A voltage or current that is reversed at regular

intervals is called __________ voltage or current.

I. Direct

II. Steady state

III. Sinusoidal

Of the following __________ is a false statement.

It is generally not good practice to supply lights and motors from

the same circuit because __________.

In general, motors are designed to operate in a

maximum ambient temperature of __________ unless

specifically designed for a higher temperature.

A type of single phase motor that can be

operated on either AC or DC is a __________

motor.

For screw shell devices with attached leads, the

conductor attached to the screw shell shall be

__________ in color.

Brach circuit conductors shall have an ampacity not

less than __________.

A switch when intended for isolating an electric circuit

from the source of power that has no interrupting rating, and it

is intended to be operated only after the circuit has been

opened by some other means is a/an __________.

Raceways or cable trays containing electric

conductors shall not contain __________.

I. Pipe for steam

II. Tube for air

III. Pipe for water

Not readily accessible to persons unless

special means for access are used is

__________.

After cutting conduit, to remove the rough

edges on both ends, the conduit ends should

be __________.

The instrument used to indicate phase relation

between current and voltage is the __________.

To calculate the va, one needs to

know the __________.

You have an adjustable trip coil rated at 5 amps

on a 200-amp switch. If you want to switch to trip at

120 amps, the trip coil should be set at __________.

When an ammeter is disconnected from an in-

service current transformer, the secondary terminals

of the current transformer must be __________.

Reactance will cause the current in a

circuit to vary only when __________.

Motors 1/3, 1⁄4, and 1/8hp are connected

parallel. Those motors deliver a total of

__________.

Flexible cords and cables shall not be used

__________.

A fixture that weighs more than

__________ shall be supported independently

of the outlet box.

The force which moves electrons from

atom to atom through a closed conducting

path is called __________.

An advantage of a 240-volt system

compared with a 120-volt system of the same

wattage is __________.

A resistor has an indicated tolerance error of

10%. With a value of 1000 ohms, the minimum

resistance the resistor may have is __________.

A transformer has a primary voltage of 120

volts and a secondary voltage of 480 volts. If there

are 40 turns on the primary, the secondary contains

__________.

Frequency is measured in

__________.

Which of the following would cause the most

power to be dissipated in the form of heat?

__________ is the combined opposition to

current by resistance and reactance.

An electrician in the industry would first check

the __________ to correct a low power factor.

Single conductor cable runs within building are

generally more common than multicable runs

because __________.

__________ has the highest electrical

breakdown strength and longest life over all other

materials used for insulation.

Voltage in a generator is produced by

__________.

To adjust the voltage generated by a

constant speed DC generator, you would

change the __________.

The generator which is best suited for

electroplating power is a __________

generator.

To change the rotation of a DC motor

you would __________.

Frequency is determined by the __________ of an

alternator.

I. Size

II. Number of poles

III. Voltage

IV. Rotation speed of armature

An example of a “made” electrode

would be __________.

Illumination is measured in

__________.

A motor enclosure designed and constructed to

contain sparks or flashes that may ignite

surrounding gas or vapour is called __________.

The output of a 3∅ transformer is

measured in units called __________.

Three horsepower is equivalent to

__________.

Sometimes copper conductors are coated

(tinned) to help prevent __________.

A wheatstone bridge is used to measure

__________ resistance.

I. Low

II. Medium

III. High

To check voltage to ground, you

would check from __________.

The inductive action that causes current to

flow on the outside surface of a conductor is

known as the __________.

Electrical continuity is required by the

electrical code for metallic conduit

__________.

The resistance of an open circuit is

equal to __________.

An electrical timer switch for lighting is

normally connected in __________ with the

lighting circuit being controlled.

The definition of ampacity is __________.

The grounded conductor would connect to

the __________ of a lampholder.

A three-phase, 6-pole AC alternator 34 kva, on a Y-

connected system. During one complete mechanical

rotation (3600) will have __________ electrical

rotations.

The voltage per turn of the primary of a

transformer is __________ the voltage per

turn of the secondary.

A single concrete-encased electrode shall be

augmented by one additional electrode if it does not

have a resistance to ground of __________.

Which of the following is not true

about alternating current?

On a 120v 1∅ circuit, ground fault protection for

personnel operates on the principal of unbalanced

current between __________.

In a 3∅ circuit, how many electrical

degrees separate each phase?

__________ duty is a type of service

where both the load and the time intervals

may have wide variations.

The definition of ambient temperature is

__________.

As the power factor of a circuit is increased

__________.

Tinning rubber insulated twisted cable is

done to __________.

A negatively charged body has

__________.

A fluorescent light that blinks “on” and

“off” repeatly may in time __________.

Electrical appliances are connected in

parallel because it __________.

What relationship determines the

efficiency of electrical equipment?

What is the formula to find watt

hours?

Of the six ways of producing emf,

which method is used the least?

The voltage produced by electromagnetic

induction is controlled by __________.

As the power factor of a circuit is increased

__________.

The breakdown voltage of an insulation

depends upon __________ value of AC

voltage.

The AC system is preferred to the DC system

because __________.

DC series motors are used in applications

where __________ is required.

Basically all electric motors operate on the

principle of repulsion or __________.

A capacitor opposes __________.

The armature current drawn by any DC

motor is proportional to the __________.

The greater voltage drop in a circuit will

occur when the __________ the current flow

through that part of the circuit.

The electromotive force required to cause a

current to flow may be obtained __________.

I. Thermally

II. Mechanically

III. Chemically

Which of the following is not true?

Resistance opposes the flow of current in

a circuit and is measured in __________.

Which of the following is true?

Mulitple start buttons in a motor control

circuit are connected in __________.

Which of the following is not true?

Special permission is __________.

One million volts can also expressed

as __________.

Resistance in a circuit may be __________.

I. Resistance of the conductors

II. Resistance due to imperfect contact

Which of the following is not true?

A magnetic field is created around a conductor

__________.

A universal motor has brushes that

ride on the __________.

How many kw hours are consumed by 25-60

watt light bulbs burning 5 hours in a 120v circuit?

A dynamo is __________.

Which of the following is/are generally used for

field magnets?

I. Copper

II. Steel

III. Wrought iron

The difference between a neutral and a grounded

circuit conductors is __________.

The normal rotation of an induction

motor is __________ facing the front of

the motor (The front of a motor is the end

opposite the shaft).

A function of a relay is to

__________.

Which of the following is not true?

Unity power factor, which means that the

current is in phase with the voltage, would be

__________.

Rheostats and potentiometers are

types of __________ resistors.

A laminated pole is __________.

Which of the following is true?

Electrical power is measure of

__________.

What percentage of the maximum (peak)

voltage is the effective (R.M.S.) voltage?

A low power factor is commonly caused by

__________.

I. Induction motors

II. Synchronous motors

III. Fluorescent lights

Which of the following is not true?

Which of the following is not true? Which of the following is not true?

Hysteresis is __________.

The electric pressure of a circuit

would be the __________.

Permeability is __________.

The Wheatstone bridge method is used

for accurate measurements of __________.

When a circuit breaker is in the open position

__________.

I. You have a short in the ungrounded conductor.

II. You have a short in the grounded conductor.

In solving series-parallel circuits,

generally you would __________.

A commutator is __________.

Which of the following is true?

To fasten a box to a terra cotta wall

you would use which of the following?

If a 240-volt heater is used on 120 volts,

the amount of heat produced will be

__________.

Which of the following about a strap

wrench is/are true?

I. You can turn pipe using one hand

II. Use in a tight corner

III. Use on different sizes of pipe

When soldering a joint, the flux is

used to __________.

The transferring of electrons from one

material to another would be __________.

A minimum thickness of __________

inch/inches of concrete over conduits and

raceways should be used to prevent cracking.

Wire Connectors are generally classified as

__________ type(s).

I. Thermal

II. Pressure

One of the disadvantages of indenter or crimp

connectors is __________.

The usual service conditions under which a transformer should

be able to carry its rated load are __________.

I. At rated secondary voltage or not in excess of 105% of the rated

value.

II. At rated frequency.

III. Temperature of the surrounding cooling air at no time exceeding

400C (1040F) and average temperature of the surrounding cooling air

during any 24-hour period not exceeding 300C (860F).

Which of the following is not true?

Conductors supplying two or more motors shall

have an ampacity equal to that sum of the following

current rating of all the motors plus __________ % of

the highest rated motor in the group.

The symbol for a wye connection is

__________.

Which of the following meters is a wattmeter?

The voltage of a circuit is best defined as __________.