Maryland Journeyperson Electrician Exam, Equipment, Devices and Luminaires: all 48 questions

All questions from the Equipment, Devices and Luminaires section for Maryland Journeyperson Electrician Exam, each with the correct answer.

7015In a new dwelling, a switch box for a bedroom lighting switch is fed with cable. What does the code generally require in that box?
7016Which condition allows a lighting switch box to be installed without a grounded conductor under 404.2(C)?
7017When may a switch disconnect the grounded conductor of a circuit?
7018Three-way and four-way switches must be wired so that switching is done in which conductor?
7019How must snap switches, including dimmers, be grounded?
7021What is the maximum height of the center of a switch operating handle above the floor or working platform in its highest position?
7022An ac general-use snap switch controls a motor load. What is the maximum motor load relative to the switch rating?
7023Where are switches prohibited in a bathroom?
7024Snap switches in a single box have more than 300 volts between adjacent devices. What is required?
7027A hallway light must be controlled from three separate locations. Which combination of switches is used?
7028How many traveler terminals does a standard four-way switch have, not counting the grounding terminal?
7029In a three-way switch circuit, which terminal of the switch at the supply end connects to the incoming ungrounded conductor?
7030How must each circuit be identified on a panelboard circuit directory?
7031Which panelboard directory entry best meets the code?
7032The old limit of 42 overcurrent devices for lighting and appliance branch-circuit panelboards was removed in the 2008 NEC. What limits the number of devices today?
7033A plug-in circuit breaker is back-fed to supply a panelboard. How must it be installed?
7034What is the maximum rating of the overcurrent device protecting a panelboard?
7035In a commercial building, a panelboard is supplied by a feeder from another panel. What must the panelboard be marked with?
7036In a panelboard supplied by a 4-wire delta system with a high leg, which phase position must the high leg occupy?
7037In a dwelling unit, where are overcurrent devices such as a panelboard not permitted?
7038Which type of luminaire is not permitted in a clothes closet?
7039What is the minimum clearance between a surface-mounted LED luminaire with a completely enclosed light source and the closet storage space?
7040A recessed LED luminaire with a completely enclosed light source is installed in a closet ceiling. What is the minimum clearance to the storage space?
7041A surface-mounted fluorescent luminaire is installed on a closet ceiling. What is the minimum clearance to the storage space?
7042Which item is prohibited within 3 ft horizontally and 8 ft vertically of a bathtub rim?
7043A luminaire in the bathtub zone is subject to shower spray. What must it be marked for?
7044A recessed luminaire that is not identified as Type IC is installed in an insulated ceiling. How far must thermal insulation be kept from the luminaire?
7045What does a Type IC marking on a recessed luminaire mean?
7046What is the maximum luminaire weight an outlet box may support unless the box is listed and marked for more?
7047Fluorescent luminaires with double-ended lamps and ballasts in a commercial building need what feature for servicing?
7048A fixed storage water heater holds 50 gallons. What is the minimum branch-circuit rating based on the nameplate?
7049A 4500 watt, 240 volt storage water heater is installed. What minimum ampacity must the branch circuit provide?
7050A built-in dishwasher is cord-and-plug connected. What cord length is permitted?
7051What cord length is permitted for a cord-and-plug connected kitchen waste disposer?
7052A permanently connected appliance is rated 250 VA. What may serve as its disconnecting means?
7053A permanently connected appliance rated above 300 VA is not within sight of its branch-circuit breaker. What is required?
7056What does Article 424 require for fixed electric space-heating equipment?
7058Which use of flexible cord is not permitted?
7059A flexible cord is run from one room to another through a hole in the wall. Is this permitted?
7060How must a flexible cord be connected so that tension is not transmitted to joints or terminal screws?
7061Equipment operating at 120/240 volts has exposed live parts on one side and no live or grounded parts on the other side of the working space (Condition 1). What is the minimum working space depth?
7062A 480Y/277 volt panelboard faces a concrete wall across the working space (Condition 2). What is the minimum working space depth?
7063Two 480 volt switchboards with exposed live parts face each other across an aisle (Condition 3). What is the minimum working space depth?
7064What is the minimum width of the working space in front of a 200 ampere panelboard that is 20 in wide?
7065What is the minimum headroom of the working space for service equipment and panelboards rated 1000 volts or less?
7066Equipment rated 800 amperes or more has its working space within 25 ft of a personnel door. What must the door have?
7067What does the dedicated electrical space above a panelboard extend to?
7069Under the 2020 and 2023 NEC, which equipment must receive a field-applied arc flash warning marking?

Maryland Journeyperson Electrician Exam, Equipment, Devices and Luminaires: all 48 questions

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