Download 2025-2026 Arizona Electrician License Certification Exam: 350+ Questions and Answers and more Exams Electrical Engineering in PDF only on Docsity!
2025 - 2026 ARIZONA ELECTRICIAN LICENSE CERT
IFICATION EXAM /REAL 3 50+Qs&As|100% VERIFIED
Which article of the NEC covers grounding? CORRECT ANS:->> Article 250 What is a dropout plate? CORRECT ANS:->> Metal plate with a curve surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: CORRECT ANS:->> 372/575 3 - Phase, 4 - wire What does a GFCI breaker do? CORRECT ANS:->> Opens a circuit to prevent operation of an electrical device What will happen when one or more coils in a winding are grounded? CORRECT ANS:->> The motor will automatically blow fuses eight incandescent lighting fixtures are to be installed. Each fixture is 120 volts, with a 200 - whatt lamp what is the total connected load? CORRECT ANS:->> 13.3 Amps The must be grounded in a bussed glutter if use as the main service equipmemt CORRECT ANS:->> Neutral busbar When wall mounting cable tray, ensure that CORRECT ANS:->> The building
structure is strong enough to support the tray system
receptacles CORRECT ANS:->> Grounding The circular mil is based on the CORRECT ANS:->> Cross-sectional area of the wire A transformer with the primary of 400 turns and a secondary of 300 turns has a CORRECT ANS:->> Step down turns ratio of 4: Of the termination classes listed below, is the only one that provides a seal against external elements CORRECT ANS:->> Class 1 Unless otherwise noted, the calculations in AC circuits values CORRECT ANS:-
Rms When the coil turns increased the CORRECT ANS:->> Induced voltage is increased As the temperature surrounding a self regulating heating cable rises, the CORRECT ANS:->> Resistance of the polymeric core increases The motor type that has the highest starting torque is the motor CORRECT ANS:->> Capacitor - start For a given number of poles, the determines the speed of an AC Motor. CORRECT ANS:->>F requency
Both induction and synchronous motor operate on the principle of the rotating field CORRECT ANS:->> Magnetic A Transformer has 200 turns in the primary, 150 turns in the secondary, and 120VAC applied to the primary. The voltage across the secondary is CORRECT ANS:->> 90 Volts The output capacity of a motor is rated in CORRECT ANS:->> Horsepower The synchronous speed at witcha 4 pole, 60 Hz induction motor operates is rpm CORRECT ANS:->> 1800 The sine of 0 degree is CORRECT ANS:->> 0 In a AC circuit containing resistance only, 12A will flow if the resistance is 10 ohms and the voltage is 120V CORRECT ANS:->>12A The rotor types are generally rugged CORRECT ANS:->>Squirrel cage The componente labeled 7 in figure 1 is a (an) CORRECT ANS:->>End seal Meters used in AC circuits indicate the CORRECT ANS:->>Effective Proofs tests are made at oF the original factory voltage CORRECT ANS:-
What are the 2 most common types of overcurrent protective devices? CORRECT ANS:->>Circuit breakers and fuses What instrument is use to perform an insulation resistance test on a 480 volt motor winding? CORRECT ANS:->>Megohmmeter What is a seal installed in a run of conduit in a class I location? CORRECT ANS:->>Prevent the passage of explosive gases in the conduit Which of the following is the formula for OHM's law? CORRECT ANS:-
I=E/R Which of the following testing instruments operated on the current transformer principle CORRECT ANS:->>Clamp-on ammeter A drowning showing a point A to point B hookup of conductors is called a CORRECT ANS:->>Wiring diagram What does HOA usually mean in a motor control circuit CORRECT ANS:- Hands of automatic A120/208 Volt feeder consist of an 800 ft run of 500 kcmil aluminum wire in conduit. This feeder has 5% voltage drop. What will the phase-toPhase voltage be at the load end CORRECT ANS:->>197.60 volts What is voltage? CORRECT ANS:->>electromotive force
What is the standard wire size system used in the United States? CORRECT ANS:->>AWG A switch labeled "AL-CU" can be use with what type of wire? CORRECT ANS:-
Aluminum Copper and copper clad aluminum What type of conduit fitting is usually placed in the middle of a long run of rigid metal conduit to provide access for pulling wire CORRECT ANS:->>C What is the largest size of aluminum rigid conduit couplings? CORRECT ANS:- 6" What is the purpose of the thermocouple? CORRECT ANS:->>To measure temperature A brass-colored terminal on a receptacle indicates that it should be used to connect what type of wire? CORRECT ANS:->>Hot wite What is the standard length of rigid conduit? CORRECT ANS:->> 10 FT An angle or U-pull is made with 14 wire or larger. The distance between each raceway entry inside the box and the opposite wall of the box shall not be any less than how many times the trade diameter of the largest raceway? CORRECT ANS:->> 6 times
ANS:->>#
In all cases where live parts are normally exposed on the front of switchboards or motor control centers the working space in front of such equipment must be what minimum length? CORRECT ANS:->> 3 FT What is the interrupting rating of a fuse CORRECT ANS:->>The maximum value off current that the fuse is designed to interrupt. What is the symbol for the primary side of a transformer? CORRECT ANS:-
H An electrical fitting can be made explosion proof in which of the following ways? CORRECT ANS:->>Using an amorphous sealed device A megger will be used to check a cable. The electrician must be sure that the circuit is CORRECT ANS:->>De-energized and locked, tagged out, and tested What is the function of a ballast on a fluorescent fixture? CORRECT ANS:- Steps up the voltage What is the primary purpose of P&ID CORRECT ANS:->>Provide scale drawings and piping and instrumentation control systems. Which of the following factors is used to control the speed of an induction motor? CORRECT ANS:->>Frequency
A 10 - inch offset at 30 degrees is been made. What is the distance between center- to-center bends? CORRECT ANS:->>20 inches What is an acceptable protection techniques for electrical equipment in hazardous location? CORRECT ANS:->>Use duct-ignition proof equipment What is the purpose of lockout/Tagout? CORRECT ANS:->>Prevent operation What test or equipment can be use to locate suspected short circuit in 1 phase of a 3 phase motor? CORRECT ANS:->>Megger A 1 line diagram with simplified symbols indicates the CORRECT ANS:->> Interconnections and component parts of an electrical circuit What will happen if moisture is inside a cad-weld mold while the weld is being performed? CORRECT ANS:->>The cadwel mold could explode What is produced in a conduit run by making 2 equal bends in opposite direction? CORRECT ANS:->>Offset Cable trays are usually supported by all of the following means except? CORRECT ANS:->>#9 wire 4 - inch square boxes are available with all of the following depths except? CORRECT ANS:->> 1 inch
How does a battery produce voltage? CORRECT ANS:->>Chemical reaction An analog voltmeter is being connected to a 24 V DC circuit. Polarity is reversed. What reading will occur? CORRECT ANS:->>0 or fewer volts What type of NEMA class enclosure is approved for general purpose indoor use and is NOT dust-tight or drip-proof? CORRECT ANS:->>Types 1 What NEC table indicates the size of service conductors? CORRECT ANS:-
Table 310 - 16 If a voltage source of a circuit provides 240 volts and there are 5 ohms of resistance, how much current is in the circuit? CORRECT ANS:->> 40 amps What instrument is used to measure current? CORRECT ANS:->>Ammeter What are the 3 elements in every electrical circuit? CORRECT ANS:- Ammeter What are the 3 elements in every electrical circuit? CORRECT ANS:->>Power source, switch, and load What are the 2 MOST commonly used methods of terminating grounding? CORRECT ANS:->>Exothermic (Cadwelding) and mechanical
How should power cable and signal cable be placed in the same cable tray? CORRECT ANS:->>Place a divider between the signal cables and the power cable The point of attachment of service drop conductors MUST provide MINIMUM clearances as specified in what NEC Cable? CORRECT ANS:-
310 - 16 The NEC requires that switch, receptacle, and fixture boxes be with the finished face of the wall surface when combustible material, such as ply-wood or paneling, is been used CORRECT ANS:->>Mounted flush A voltage of 1 volt applied across a resistance of 1 ohm produces a current of 1 0 or fewer volts What type of NEMA class enclosure is approved for general purpose indoor use and is NOT dust-tight or drip-proof? CORRECT ANS:->>Types 1 What NEC table indicates the size of service conductors? CORRECT ANS:- >>Table 310 - 16 If a voltage source of a circuit provides 240 volts and there are 5 ohms of resistance, how much current is in the circuit? CORRECT ANS:->> 40 amps What instrument is used to measure current? CORRECT ANS:->>Ammeter What are the 3 elements in every electrical circuit? CORRECT ANS:- >>Ammeter What are the 3 elements in every electrical circuit? CORRECT ANS:->>Power source, switch, and load What are the 2 MOST commonly used methods of terminating grounding? CORRECT ANS:->>Exothermic (Cadwelding) and mechanical How should power cable and signal cable be placed in the same cable tray? CORRECT ANS:->>Place a divider between the signal cables and the power cable The point of attachment of service drop conductors MUST provide MINIMUM clearances as specified in what NEC Cable? CORRECT ANS:- >> 310 - 16 The NEC requires that switch, receptacle, and fixture boxes be with the finished face of the wall surface when combustible material, such as ply-wood or paneling, is been used CORRECT ANS:->>Mounted flush A voltage of 1 volt applied across a resistance of 1 ohm produces a current of 1 amp. If the voltage is double and the resistance is halved, then the current
. CORRECT ANS:-
Increases 4 times The force that causes electrons to flow is most commonly called. CORRECT ANS:->>Voltage Copper is the most widely used conductors because it. CORRECT ANS:->>Offers low resistance and is easy to use The installation specifications of both surface metal raceways and surface nonmetallic raceways can be found in. CORRECT ANS:->>NEC Articles 352 A dropout plate is best describes as a follow as it passes from the tray
What is the combination for hooking up a 480 - volt motor with 9 leads CORRECT ANS:->>L1&T1, L2&T2, L3&T3, 4&7, 5&8, 6& What should be used on every wire pull through conduit CORRECT ANS:-
Wire lube When should a de-oxide compound be used CORRECT ANS:->>During an aluminum to copper connection Given: the distance between a starter and a 3 phase motor is 73 ft. The starter MUST have a 5 ft tail and the motor a 3 ft tail. How much multi-conductor wire is REQUIRED for a pull from the starter to the motor? CORRECT ANS:->>81ft To properly install a compression lug on a conductor requiring multiple crimps, the electrician will crimp? CORRECT ANS:->>Starting from the lug eye to the barrel opening All of the following are standard fuse sizes except CORRECT ANS:->> 550 Amp What type of circuit breaker was developed to meet the needs of systems where high potential fault- currents are present? CORRECT ANS:->>Current-limiting Where are the overload heaters normally located in a motor circuit? CORRECT ANS:->>In the motor starter Between The "T " leads and the Contactors
A heat Trace cable is Installed on a line That Will be insulated. When Will the cable be "megged"? CORRECT ANS:->>Before and after the insulation is put on the line Voltage has been stepped-down in a transformer. What happens to the current in the secondary? CORRECT ANS:->>It decreases The standard unit for measuring the cross-sectional area of wire is the CORRECT ANS:->>Circular mil ——————- are intended for the electrical protection of personnel. CORRECT ANS:->>GFCIs A VOM measures CORRECT ANS:->>Ohms, amps, and volts A type conduit body has a threaded straight hub on each and another threaded hub perpendicular to these two. CORRECT ANS:->>T If a circular has 10 amps of current and 12 ohms of resistance, the applied voltage is. CORRECT ANS:->> 120 The test leads of a megger should never be touched when it is in use because . CORRECT ANS:->>The generator voltage is present on the test leads and could result in electrical shock
Electrician metallic tubing must be supported with what maximum distance from each junction or oulet box? CORRECT ANS:->>3ft When transporting metal conduit, it is important to CORRECT ANS:-
Protect the threads keep the caps on to prevent thread damage The voltage drop of conductors carrying AC in PVC conduit will have what relation to that of identical conductors in the conduit CORRECT ANS:->>The same What type of wire is the standard for low voltage milliamp signal system? CORRECT ANS:->>Single pair shielded Cable makings show all of the following, excep CORRECT ANS:->>Ampacity All of the following are found on an elevation view of a motor control center, except CORRECT ANS:->>Location of motor The drawing scale is most likely to be found in which of the following drawing location? CORRECT ANS:->>The drawing title block Receptacles are rated according to the CORRECT ANS:->>Voltage and amperage capacity What color wire is connected to the silver screw in an incandescent fixture? CORRECT ANS:->>White
What is the NEC requirement for labeling disconnects? CORRECT ANS:->>All disconnects devices for circuits, feeder and, equipment must be clearly and permanently mark A 3 way switch, is what type of switch CORRECT ANS:->>SPDT The relationship of a transformer primary winding to the secondary winding is expressed in? CORRECT ANS:->>Turns ratio The number of complete AC cycles per second is called? CORRECT ANS:-
Frequency The value indicated on a meter for an AC circuit are defined as root-mean square, what is another term for this? CORRECT ANS:->>Effective value In a shine wave, the number of times per second an identical pattern itself is known as? CORRECT ANS:->>Frequency of a waveform What does frame size provide information about? CORRECT ANS:->>Proper bolt-up What is the voltage ratio for dual-voltage motors CORRECT ANS:->> 2 to 1 All parts of metal cable tray must be bonded together and? CORRECT ANS:-
