Minnesota Electrical Journeyman Practice Exam

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• A.C. and Refrigeration are covered by which article?
• Why are demand factors used in dwelling load calculations?
• What is the primary purpose of voltage drop calculations?
• Which agency administers electrician licensing in Minnesota?
• NEC 210.8(A) addresses protection by which device?
• Table 120.42(A) contains demand factors for which loads?
• Which NEC article governs lighting fixtures and installation requirements?
• How does the NEC require circuits in a dwelling to be protected against ground faults?
• Where are the dimensions of pipe found?
• If P = 1,200 W and I = 6 A, what is V?
• Which table covers Minimum Wire Bending Space at Terminals and Minimum Width of Wiring Gutters?
• Voltage drop calculations depend primarily on which electrical quantity?
• For cables that pass through studs, which distance requires nail plates?
• Where in the NEC would you find rules about electrical boxes, enclosures, and fittings?
• Boxes and Raceways are covered by which article?
• What major safety regulation is commonly associated with electrical work in Minnesota outside of NEC requirements?
• Article 501 covers which locations?
• In the Ohm's Law expression E = I × R, what does E represent?
• Which grounding electrode is embedded in concrete in the building’s foundation?
• Which NEC article governs conductors, including ampacity and insulation?
• In voltage drop calculations, which distance is used to represent the length of the conductor run?
• Which table is used for motor overload rating and protective device rating?
• For overcurrent protection sizing and devices, which NEC article applies?
• Which NEC reference addresses Conductor Applications?
• 210.20 addresses overcurrent protection for which circuits?
• Which NEC article covers receptacles, outlets, and switches?
• Which protection is required to detect earth faults and prevent shock hazards in wet locations?
• Table 120.4 provides references for specific-purpose calculations.
• Which table provides the minimum depth of clear working space in front of electrical equipment?
• Which option lists common raceway types used to protect conductors?
• What is the function of the service disconnect?
• What does SCCR stand for and why is it important for electrical equipment?
• Which NEC article governs branch circuits, including receptacles and lighting loads in dwellings?
• What is the difference between a continuous load and a non-continuous load, and how does that affect OCPD sizing?
• Which article covers Transformers?
• Which NEC article covers motors and motor circuits and their protection?
• Watts Law expresses power as which product?
• Which article covers Boxes and Raceways?
• Table 120.55 contains demand factors for which appliances?
• Article 503 covers which type of locations?
• Which type of protection is required for many dwelling unit circuits to detect and interrupt arcing faults?
• What is the purpose of the service disconnecting means?
• Transformers and disconnecting means are covered by which NEC article?
• Table 120.55 deals with demand factors for which items?
• Which table lists cable type markings and permitted uses?
• Which table contains general lighting load demand factors?
• In NEC, what governs sizing of conductors for a branch circuit?
• Which table is used to determine the sizes of wiring gutters and minimum wire bending spaces?
• Which NEC reference defines Maximum Cord and Plug Rated Connected Load to Receptacles?
• Which NEC article addresses conductor ampacity and insulation type?
• Metal Box Sizing is specified in which table?
• Which NEC reference deals with Grounded Conductor, Main Bonding Jumper, System Bonding Jumper, and Supply Side Bonding Jumper for ac Systems?
• Which of the following is NOT a raceway type?
• Where is a service meter typically located?
• Temporary power installations are addressed by which NEC article?
• In Watts Law, P = V × I, what does P stand for?
• Why is a short-circuit current rating (SCCR) important for electrical equipment?
• Which table covers Motor Overload Rating/Protective Device Rating?
• If I = 6 A and R = 4 Ω, what is the voltage V?
• Which table is used for 3-phase motor sizing?
• PVC Expansion is specified in which table?
• Which article covers Load Calculations?
• Which device is designed to detect leakage current to ground and quickly disconnect the circuit to prevent shock?
• Single Phase Motor Sizing uses which table?
• Which categories are included in load calculations for dwelling units?
• Which NEC article provides rules for service equipment and service disconnecting means?
• Which NEC article governs the location and spacing of lighting outlets and receptacles as part of dwelling branch circuits?
• When bonding metal parts of a device inside a metal box, which practice ensures a continuous ground path?
• Why are ampacity adjustment factors applied when multiple current-carrying conductors are in a raceway?
• Which article provides the method for calculating load for feeders and services?
• Which of the following is a component commonly used as a grounding electrode?
• Which article addresses transformers and disconnecting means for transformers?
• Emergency systems provide what kind of power?
• Which of the following is NOT a commonly used grounding electrode?
• Which NEC reference would you use to determine the standard fuse sizes?
• Wiring Methods are covered by which article?
• Which document would you consult to verify cable type markings and permitted uses?
• NM cable securing requirements in residential installations must be secured within 12 inches of boxes and at intervals not exceeding 4.5 feet. Which statement is correct?
• Which NEC article governs box fills and how is box volume determined?
• Which NEC table defines Minimum Size Equipment Grounding Conductor for Grounding Raceway and Equipment (EGC)?
• What is a pigtail and when is it used in branch circuit wiring?
• Which NEC article covers marinas electrical installations?
• Which article covers Motors?
• Which NEC reference addresses Vertical Spacing For Conductor Supports?
• How many current-carrying conductors in a raceway typically trigger ampacity adjustment factors?
• Which kitchen electrical requirement drives the use of multiple 20A small-appliance branch circuits?
• Which term refers to the current-carrying capacity of a conductor?
• Where are the dimensions of insulated conductors and fixture wires found?
• Which NEC table defines Vertical Spacing For Conductor Supports?
• When sizing branch-circuit conductors, what must be considered beyond the conductor's ampacity?
• What general protection is recommended for outdoor receptacles to ensure safety in wet conditions?
• Which NEC article covers the service conductors and service disconnecting means?
• Motors are covered by which article?
• Which NEC article governs pools, fountains, and spas?
• The purpose of conductor ampacity in sizing is to determine which of the following?
• 3 Phase Motor Sizing uses which table?
• Which table addresses the Minimum Wire Bending Space at Terminals?
• Overcurrent Protection is covered by which article?
• What is the purpose of listing and labeling electrical equipment under NEC?
• Which NEC table covers Grounded Conductor, Main Bonding Jumper, System Bonding Jumper, and Supply Side Bonding Jumper for ac Systems?
• Which factors require ampacity adjustments or corrections for conductors in NEC calculations?
• Which NEC article is primarily consulted for grounding and bonding of electrical systems?
• Which NEC article covers wiring methods, including NM cable, conduit, and flexible cords?
• Article 502 covers which locations?
• What does MOP stand for in electrical practice?
• Which NEC table defines Adjustment Factors For More Than Three Current Carrying Conductors?
• What is the recommended practice for temporary power distribution to construction sites?
• Ohm's Law states voltage equals current times resistance. Which equation represents this?
• Which factor is primarily considered when selecting an enclosure per NEC 110.28?
• What is the NEC-required minimum working clearance in front of electrical equipment?
• Electrical installations in health care facilities are covered by which NEC article?
• Which statement about Minnesota electrical safety rules is true?
• Voltage Drop K represents what property of the conductor?
• Table 110.28 is used for which aspect of electrical installations?
• Which of the following statements about outdoor receptacles is true?
• Which table lists Wire Ampacities?
• Which conductor type is commonly used for insulated conductors in raceways?
• Which NEC reference shows Show Windows?
• Which statement lists three common conductor types used in modern installations and their general characteristics?
• In dwelling unit load calculations, which of the following loads is not typically included?
• NEC 210.12 addresses protection by which device?
• What is the general purpose of lockout/tagout procedures in electrical work?
• Motor Overload Rating/Protective Device Rating uses which table?
• Which NEC reference shows Finding Area Behind a Sink, Range, or Counter Mounted Cooking Unit?
• Table 110.34(A) provides the minimum depth of clear working space at electrical equipment.
• Which NEC reference covers Standard Fuse Sizes?
• Which safety regulation is most commonly associated with electrical work and workplace practices?
• Why is voltage drop considered in long branch circuits and feeders?
• Which NEC reference defines Minimum Size Equipment Grounding Conductor for Grounding Raceway and Equipment (EGC)?
• Which NEC article sets the overall scope and general requirements for all electrical installations?
• Overcurrent protection (OCP) device sizing determines which of the following?
• Which NEC article addresses grounding and bonding requirements for electrical systems?
• In load calculations, what is the purpose of applying demand factors to dwelling units?
• What is the general purpose of a service meter, and where is it typically located?
• Which statement best describes the difference between a service disconnect and a branch-circuit disconnect?
• What does MC cable stand for and what is its general characteristic?
• NEC 210.20 addresses overcurrent protection for which circuits?
• Which table lists conductor properties?
• Which conductor type is nonmetallic sheathed cable commonly used in residential wiring?
• Which statement best describes the effect of a grounding conductor when bonding a device in a metal box?
• Which article covers Services?
• What is essential protection for motor circuits to guard against overloads?
• PVC Expansion is specified in which table?
• What does MCA stand for in electrical practice?
• If V = 240 V and R = 8 Ω, what is I?
• Conductor Ampacities are addressed in which article?
• In living areas, what is the maximum distance from any point along a wall to a receptacle?
• If P = 900 W and V = 180 V, what is I?
• Which article governs Wiring Methods?
• Which article covers Conductor Ampacities?
• What protection must be provided to cables that pass through studs within 1-1/4 inches of the stud edge?
• Which NEC table defines Minimum Coverage Requirements, 0-1000 Volts?
• Which NEC article would you consult for wiring methods in a residence, such as NM cable or conduit?
• What term describes a load that lasts 3 hours or more in electrical calculations?
• Which statement correctly describes how box fills are determined?
• In voltage drop calculations, what does KIL stand for?
• If V = 120 V and I = 2 A, what is P?
• Transformers are covered by which article?
• The voltage drop for a single-phase circuit is calculated as which of the following formulas?
• How should disconnecting means be identified and labeled in a panel?
• Which NEC table defines Conductor Applications?
• Grounding and Bonding is addressed by which article?
• What is the purpose of the equipment grounding conductor?
• The voltage drop for a three-phase circuit is calculated as which of the following formulas?
• Which statement best describes the purpose of the short-circuit current rating (SCCR) for electrical equipment?