Electrician School Year 1 Practice Exam

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• Which measurement indicates the electrical potential difference?
• Industrial electricians are typically divided into how many groups?
• What is the primary purpose of the NEC?
• What is an example of a preventative measure that electricians should take on a job site?
• What is an electromechanical component used primarily as a switching device?
• Which type of wiring would require specialized knowledge of hazardous locations?
• How many electrons are in one coulomb?
• Minimum standards for apprentice training programs are established by which organization?
• Which unit is NOT typically associated with measuring electric potential?
• Which of the following is NOT a component of the NEC structure?
• What does the prefix 'giga' represent in terms of quantity?
• Which chapters of the NEC cover general design and installation of electrical systems?
• True or False: It is acceptable to be a little late for work as long as you make up the time.
• What is the relationship between watts, volts, and amps?
• What is the primary focus of NEC Article 700?
• What is the primary structural component of the NEC?
• What device will de-energize a circuit if the current to ground exceeds a predetermined value?
• In a parallel circuit, what remains the same across all components?
• Installation procedures for luminaries are outlined in which NEC article?
• What instrument is used to measure voltage?
• Is it true or false that vapor lamps can be thrown out with regular trash if carefully wrapped?
• When using an in-line ammeter, how should the meter be connected?
• What is the power in a circuit with 120 volts and 5 amps?
• True or False: Low-voltage conductors rarely cause injuries.
• Which of the following is a toxic chemical that may be found in certain types of transformers?
• What does voltage represent in an electrical circuit?
• What is the unit of electric charge?
• How is the total voltage in a series circuit calculated?
• What is the basic unit of measurement for electrical power?
• Which of the following is usually not considered a confined space?
• Wiring methods are discussed in which NEC chapter?
• What happens to voltage in a parallel circuit when more branches are added?
• Which chapter contains tables that specify the properties of conductors in the NEC?
• How many chapters are there in the NEC?
• During which phase do electricians connect fixtures and devices to the electrical system?
• What type of installations does Article 700 primarily address?
• Metric units of measurement are discussed in which article of the NEC?
• What is the common unit used for specifying the size of a given charge?
• Emergency systems are covered in which chapter of the NEC?
• What does NEC Chapter 2 cover?
• During which phase of work are interior panels in residential wiring typically installed?
• Asbestos was banned in what year?
• What is a coulomb?
• What allows alternative methods to be used under specific conditions within the NEC framework?
• What is encompassed within OSHA's mission?
• What is the electrical property that opposes the flow of current through a circuit?
• Where are fire alarm systems specifically detailed in the NEC?
• What type of cable is commonly used for outdoor residential wiring?
• What is the life-threatening condition of the heart where the muscle fibers contract irregularly called?
• What does Kirchoff's voltage law describe?
• Which entities are responsible for testing and certifying electrical equipment?
• PCBs are often found in liquids used to cool what type of equipment?
• What kind of circuitry maintains a consistent voltage throughout?
• What is defined as a complete path for current flow?
• If a person's heart begins to fibrillate due to an electrical shock, what is the recommended action?
• Which organization is responsible for maintaining and improving the quality and reliability of electrical products?
• What program allows completion of up to two years of apprenticeship before finishing high school?
• Which device changes electrical energy into mechanical motion?
• What is an electromagnetic device used to control mechanical devices such as valves?
• What can be inferred if a circuit shows a significant voltage drop?
• Which characteristic is true for both series and parallel circuits?
• NEC is designed to ensure safe electrical installations in which environments?
• Commercial wiring is most commonly installed in which of the following?
• What is an informational note in the context of the NEC?
• What is another term for the measure of electric potential difference?
• What is a relay primarily used for in electrical systems?
• In an electrical circuit, what is the primary purpose of a fuse?
• In a series circuit, voltage is described as being what?
• What is the proper distance from the feet of a straight ladder to the wall during use?
• A PFAS anchorage point for a 6-foot lanyard must be able to hold how many pounds?
• What is the outermost shell of electrons orbiting the nucleus of an atom called?
• What device combines functions of measuring voltage, current, and resistance?
• True or False: Once you have finished your apprenticeship, your training is over.
• What comprises a raceway system?
• Which organization publishes the National Electrical Code (NEC)?
• What describes the relationship between current, voltage, and resistance in an electrical circuit?
• What is the work done by one coulomb of electricity when moving through a potential difference of one volt?
• Which part of an electrical system houses conductors?
• The flow of electrons is measured in which unit?
• Which statement correctly describes a double-insulated power tool?
• Which group is not typically represented on the code making panels?
• Which prefix signifies one million?
• What happens to the total resistance in a parallel circuit as more branches are added?
• A tool made of non-conductive material and insulated from electrical energy is called what?
• Devices such as radios and televisions are covered in which chapter of the NEC?
• Which of the following is true about the relationship between current and voltage in a series circuit?
• What should you always do before working on a live circuit?
• What is the purpose of a Ground Fault Circuit Interrupter (GFCI)?
• In which phase are devices and fixtures typically installed?
• In electrical terms, what does the prefix 'kilo' represent?
• In a series circuit, how does current behave?
• In a parallel circuit, how is the voltage characterized?
• Which of the following is necessary for current to flow in a circuit?
• In terms of electrical flow, increasing voltage in a parallel circuit affects what?
• Within Article 310, what is the minimum size for stranded conductors installed in raceways?
• An electrical circuit must contain at minimum a _______.
• What does a double-insulated tool indicate about its construction?
• Which NEC article covers topics related to theaters?
• What does Kirchoff's current law state?
• What do we call materials that allow electricity to flow easily?
• What is referred to as voltage drop?
• Which of the following units relates to electrical power?
• What device consists of two or more cells and converts chemical energy into electrical energy?
• The primary mission of OSHA is to ensure what?
• In which stage is the installation of wiring or cable performed?
• Another term for voltage is _______.
• What is the name of the federal agency established to ensure workplace safety and health?
• X-ray equipment is covered under which article of the NEC?
• RMC is a type of what?
• What chemical substances are associated with environmental concerns and found in electrical equipment?
• If you see a safety violation at your job site, what should you do?
• What is the term for very rapid irregular contractions of the muscle fibers of the heart?
• Conduit is a part of which electrical system?
• Where in the NEC would you find information regarding switchboards and panelboards?
• Total resistance in a parallel circuit is described as what?
• Which electrical measurement indicates the potential difference that drives current?
• Electric signs are addressed in which chapter of the NEC?
• Which NEC article specifically covers electric motors?
• Which of the following entities is NOT commonly associated with electrical equipment certification?
• Certain articles in the NEC are subdivided into what?
• Gas stations are addressed in which chapter of the NEC?
• Which of the following correctly describes a proton?
• Electric charge is measured in which of the following units?
• Which of the following correctly identifies the characteristic of charges in circuits?
• What is defined as the flow of electrons in a circuit?
• What is the main characteristic of voltage in a parallel circuit?
• What is the sum of the difference in potential of all charges in an electrostatic field called?
• What does electrical service refer to?
• Which of the following components is essential in the design of a transformer?
• What is the formula for calculating the square root of power times resistance?
• What term refers to the rate at which work is done or energy is used?
• In electrical terminology, what is a significant effect of resistance?
• Facilities constructed before which year must be assumed to contain asbestos?
• NEC Article 520 addresses hazards related to which type of occupancy?
• Which of the following is NOT typically a life-threatening hazard on a construction site?
• Which section of the NEC covers cable trays?
• What is the definition of power in electrical terms?
• Which of the following substances is classified as an insulator?
• Which organization is known for developing standards to minimize the risk of fire and hazards?
• How many hours of on-the-job learning are required in an apprenticeship program each year?
• A circuit where the current divides among branches is known as what type?
• What connects the commercial power to the premises wiring system?
• What are the minimum and maximum distances (in inches) that a scaffold plank can extend beyond its end support?
• Examples of branch circuit calculations can be found in which NEC section?
• Which of the following best describes the function of a capacitor?
• What is the primary function of a resistor in a circuit?
• Parts and articles in the NEC are further divided into numbered what?
• What are Joules a measure of?
• What is usually included in the raceway system components?
• Conductors have what or fewer valence electrons?
• Which subatomic particle carries a positive charge?
• In a parallel circuit, how is current characterized?
• What occurs during the trim-out phase?
• Mandatory and permissive rules are defined in which section of the NEC?
• Which component is typically used to relocate a mechanical device?
• What is a solenoid commonly used to control?
• Which prefix is used to indicate one thousand?
• What is the driving force that makes current flow in a circuit?
• During which stage is the main panel board enclosure likely to be installed?
• True or False: The NEC provides requirements for safe electrical installations, while NFPA 70E provides guidance for establishing safe electrical workplaces.
• Is it acceptable to take scrap pieces of material home from work?
• Which property of a parallel circuit allows for more voltage to be added without exceeding its limits?
• Where in the NEC would you find information on conductors for general wiring?
• Which color band on a resistor indicates tolerance?
• One volt applied across one ohm of resistance causes a current flow of how many amperes?
• What is the purpose of NEC articles?
• What instrument is used for measuring electrical current?
• In electrical terms, what does the unit 'ohm' measure?
• What is the minimum clearance required between the top of a switchboard and a combustible ceiling when there is no noncombustible shield?
• To safely handle electrical tools, they should always be?
• How are the NEC requirements for electrical systems best described?
• What does a lockout/tagout procedure require?
• What is the primary subject of NEC Article 400?
• A residential wiring system typically uses what type of cable?
• In terms of electricity, what does a coulomb measure?
• What is the best way to protect yourself from solvent hazards?
• A grounded tool helps ensure what regarding stray current?
• What does competency-based training require before advancement?
• How is one volt defined in relation to current and resistance?
• Which of the following is NOT a function of the National Electrical Code (NEC)?
• What is the change in voltage across a component called?
• What is the relationship between articles and parts within the NEC?
• Circuit continuity is checked using which function of a multimeter?
• What is the standard voltage supplied to most residences by local utilities?
• NEC Article 600 focuses on what subject matter?
• NEC Article 110 covers which of the following?
• What does a GFCI protect against?
• What term describes learning acquired while working on the job?
• In a parallel circuit, the total resistance is _______ the smallest resistance.
• What are the four phases of residential electrical wiring?
• To correctly size grounding conductors, which chapter of the NEC should you refer to?
• How many chapters form the broad structure of the NEC?
• In commercial wiring, what is the primary material used for installation?
• What does the term 'circuit' specifically refer to in electrical terms?
• An important use of a hot stick is to perform which of the following actions?
• Which unit is commonly used to specify the size of a given charge?
• What is the basic unit of measurement for electrical power?
• Which federal agency is responsible for ensuring a safe work environment?
• What does the term "constant voltage" imply in electrical circuits?
• In which article are definitions found in the NEC?
• An atom that is missing two or fewer electrons from its outer shell will typically do what?
• What is the role of the National Fire Protection Association (NFPA) in relation to electrical safety?
• Double insulated tools are characterized by what main feature?
• What is a drawing that uses symbols to represent the components in an electrical system?
• Class 00 rubber gloves are used when working with voltages less than what level?
• In addition to OSHA standards, what are two other standards related to electrical systems?
• Which of the following is NOT a component of a basic electrical circuit?
• What does the rough-in stage involve?