Washington 01 Journey Level Electrician Exam, Branch Circuits, GFCI and AFCI: all 74 questions

All questions from the Branch Circuits, GFCI and AFCI section for Washington 01 Journey Level Electrician Exam, each with the correct answer.

4001In a dwelling unit, GFCI protection is required for all 125-volt through 250-volt receptacles installed in which of the following locations?
4002A receptacle in a dwelling unit bedroom is installed 5 ft from the top inside edge of the bowl of a bar sink. Is GFCI protection required?
4003In a dwelling unit, receptacles within what distance of the outside edge of a bathtub or shower stall require GFCI protection?
4005Under the 2020 NEC, a 125-volt, 15-ampere receptacle installed behind the refrigerator in a dwelling kitchen does not serve the countertop and is more than 6 ft from the sink. Is GFCI protection required?
4009A dwelling has a fully finished basement used as a recreation room. Do the 125-volt receptacles in this finished basement require GFCI protection?
4010A single 125-volt receptacle in an attached dwelling garage is dedicated to a chest freezer. Is GFCI protection required?
4013Where must a GFCI device that provides the protection required by 210.8 be located?
4014When applying the 6 ft sink and bathtub distances in 210.8, how is the distance to a receptacle measured?
4015A dwelling has an indoor area that is a damp location, such as a covered utility room open to weather. Do 125-volt receptacles there require GFCI protection?
4017In a restaurant kitchen, which 125-volt, 20-ampere receptacles require GFCI protection?
4018A 125-volt receptacle is installed on the roof of an office building for servicing a rooftop unit. What protection is required?
4019In a fitness center, which of the following areas requires GFCI protection for its 125-volt receptacles under 210.8(B)?
4022In a commercial building, which of the following areas is excluded from the garage and service bay GFCI requirement in 210.8(B)?
4023A receptacle in a commercial building is located in an unfinished basement area used for storage. Is GFCI protection required?
4024A 125-volt receptacle in an office break room is 4 ft from the break room sink. Is GFCI protection required?
4030Under the NEC 2020 and 2023, dwelling unit outdoor outlets on single-phase branch circuits rated 150 volts or less to ground require GFCI protection up to what branch circuit rating?
4038In a dwelling unit, which of the following locations requires AFCI protection for 120-volt, 15- and 20-ampere branch circuits supplying outlets?
4040Which of the following dwelling unit circuits requires AFCI protection?
4042In a hotel, 120-volt, 15- and 20-ampere branch circuits supplying outlets in guest rooms and guest suites require which protection?
4047Which AFCI device installed at the origin of a branch circuit provides protection of the entire branch circuit?
4049What is the minimum number of 20-ampere small-appliance branch circuits required for receptacle outlets in a dwelling kitchen, pantry, breakfast room and dining room?
4050Which of the following is permitted to be supplied by a dwelling small-appliance branch circuit?
4051How may the receptacle outlet for a dwelling kitchen refrigerator be supplied?
4052What branch circuit is required in a dwelling unit to supply the laundry receptacle outlets?
4053A single 20-ampere branch circuit supplies receptacle outlets in all three bathrooms of a house. What else may this circuit supply?
4054A 20-ampere branch circuit supplies only one bathroom of a dwelling. Which of the following may it also supply?
4055Since the 2020 NEC, an attached dwelling garage must have at least one branch circuit for its receptacle outlets. What is the required rating of this circuit?
4056The required 20-ampere garage receptacle branch circuit in a dwelling is permitted to also supply which of the following?
4057In a dwelling living room, receptacles must be installed so that no point measured horizontally along the floor line of any wall space is more than what distance from a receptacle?
4058In a dwelling bedroom, what is the minimum width of a wall space that must be counted for receptacle placement under 210.52(A)?
4059Along a dwelling kitchen wall countertop, receptacles must be installed so that no point along the wall line is more than what distance from a receptacle outlet?
4060In a dwelling kitchen, a wall countertop space of what minimum width requires a receptacle outlet?
4061Receptacles installed on the wall above a dwelling kitchen countertop must be located not more than what distance above the countertop?
4062Under the 2020 NEC, a dwelling kitchen island countertop measures 48 in. by 24 in. How many receptacle outlets are required for this island?
4069A dwelling unit hallway must have at least one receptacle outlet when the hallway is at least how long?
4070For a one-family dwelling, how many outdoor receptacle outlets are required at grade level as a minimum?
4071A dwelling has a deck accessible from inside the dwelling. What is the maximum height of the required receptacle outlet above the deck walking surface?
4072A one-family dwelling basement has a finished area and two separate unfinished storage areas. How many receptacles are required in the unfinished areas as a minimum?
4073In a dwelling unit attached garage, at least one receptacle outlet is required in each vehicle bay at what maximum height above the floor?
4074In a dwelling bathroom, at least one receptacle outlet must be installed within what distance of the outside edge of each basin?
4075A dwelling foyer that is not part of a hallway requires a receptacle on each wall space 3 ft or more wide when the foyer area is greater than what size?
4076A receptacle in a dwelling living room is installed 6 ft above the floor. Does it count toward the required wall space receptacles?
4077A floor receptacle in a dwelling family room may count as the required receptacle for a wall space if it is located within what distance of the wall?
4078How many receptacle outlets in a hotel guest room must be readily accessible when the remaining receptacles are located for convenient furniture placement?
4079A hotel guest suite includes permanent provisions for cooking. Which receptacle rules apply to the suite?
4080A 20-ampere branch circuit supplies two or more receptacles. Which receptacle ratings are permitted?
4081A single receptacle is installed on an individual 20-ampere branch circuit. What is the minimum rating of the receptacle?
4082What is the maximum cord-and-plug load permitted on a 20-ampere receptacle supplied by a 20-ampere branch circuit with multiple outlets?
4084On a 20-ampere branch circuit, what is the maximum rating of a single cord-and-plug-connected utilization equipment not fastened in place?
4085A 20-ampere branch circuit supplies lighting units and also fastened-in-place utilization equipment. What is the maximum total rating of the fastened-in-place equipment?
4086Which loads are 40-ampere and 50-ampere branch circuits permitted to supply in any occupancy?
4087In a dwelling unit, a 30-ampere branch circuit is permitted to supply which of the following?
4088A branch circuit supplies a continuous load of 16 amperes and no noncontinuous load. What is the minimum conductor ampacity before any adjustment or correction?
4089A branch circuit supplies 24 amperes of continuous load and 6 amperes of noncontinuous load. What is the minimum standard overcurrent device rating?
4090For branch circuit sizing, a continuous load is one where the maximum current is expected to continue for how long?
4091When may a branch circuit overcurrent device be sized at 100 percent of the continuous load instead of 125 percent?
4094A multiwire branch circuit supplies receptacles in a dwelling. What does the NEC require at the point where the branch circuit originates?
4095A multiwire branch circuit in general may supply only which type of load?
4096How must the conductors of a multiwire branch circuit be identified in a panelboard?
4097In a 120/240-volt, 3-wire multiwire branch circuit, why must the two ungrounded conductors be connected to opposite lines?
4098In a dwelling living room, what may substitute for the required wall-switch-controlled lighting outlet?
4099In which dwelling rooms is a switched receptacle NOT permitted as a substitute for the required wall-switch-controlled lighting outlet?
4100A dwelling interior stairway has eight risers between floor levels. Where are wall switches required for the stairway lighting?
4101A dwelling attic contains a furnace that requires servicing. What lighting outlet is required?
4102For a dwelling, which of the following is NOT considered an outdoor entrance for the required exterior lighting outlet?
4103A 12 AWG copper THHN conductor has a 90 C ampacity of 30 amperes in Table 310.16. What is the maximum overcurrent protection generally permitted for it?
4104What is the ampacity of a 6 AWG copper THWN conductor in the 75 C column of Table 310.16?
4105A 30-ampere branch circuit terminates on equipment whose terminals are not marked with a temperature rating. Which column of Table 310.16 must be used to select the conductor?
4106An 8 AWG copper THHN conductor connects to terminals rated 75 C on both ends. What ampacity may be used for the circuit?
4107For a circuit rated over 100 amperes with conductors larger than 1 AWG, which temperature column may be used for termination purposes unless equipment is marked otherwise?
4108When 90 C rated THHN conductors are installed with 75 C terminations, what is the 90 C ampacity used for?
4109How may a 10 AWG grounded conductor be identified?
4110A 2 AWG grounded conductor has black insulation. How may it be identified as the grounded conductor?
4112A white conductor in a cable assembly is used as an ungrounded conductor for a switch loop. What does the NEC require?

Washington 01 Journey Level Electrician Exam, Branch Circuits, GFCI and AFCI: all 74 questions

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