Michigan Journeyman Electrical Sign Contractor License Study Guide Exam 3 2026 Complete Questions and Verified Answers

Michigan Michigan Michigan Journeyman Electrical Sign Contractor License Study Guide Exam 3 2026 Complete Questions and Verified Answers Conduits over 24" in length, with more than 2 conductors must have a max fill rate of? - Correct Ans-40% What are the type of equipment grounding conductors? - Correct Ans-Rigid Metal Conduit (RMC) & Electrical Metal Tubing (EMT) What does FLC stand for? - Correct Ans-Full Load Current An electrical device that consists of a frame, a plunger and uses an up and down motion to operate is called what? - Correct Ans-Solenoid Tubing nipple less than 24" may be filled to a maximum of? - Correct Ans-60% A boat hoist receptacle shall be mounted not less than ________ above the dock surface and not below the electrical datum plane on a fixed pier - Correct Ans-12" In critical care areas, each patient bed location shall be provided with a minimum of _____ receptacles? - Correct Ans-14 In general care areas, each patient bed location shall be provided with a minimum of _____ receptacles? - Correct Ans-8 Disconnecting means for a mobile home shall be at a minimum height of? - Correct Ans-2' In health care facilities, the emergency light circuit shall be wired on the? - Correct Ans Life safety branch circuit Occupancy of ______ people or more must be wired in MC or Conduit - Correct Ans 100 For a mobile home, the grounded conductor shall be? - Correct Ans-Insulated Michigan Michigan What type of cable can't be used as a ground for critical and emergency branch circuits of a hospital? - Correct Ans-Isolated Ground In gas stations, how far from the floor is Class 1, Division 1? - Correct Ans-18" What type of material does a garbage disposal cord have to be made of? - Correct Ans LISTED FOR USE What color triangle marking will be on a noise cancelling outlet? - Correct Ans-Orange Light poles shall have a hand-hole of not less than? - Correct Ans-2" x 4" What is the minimum space between a recessed fixture and a thermal insulation? - Correct Ans-3" A furnace has to be run on what type of circuit? - Correct Ans-Individual Branch Circuit Electrically operated kitchen waste disposers shall be permitted to be cord and plug connected with a flexible cord that must be _________. - Correct Ans-Not more than 36", Not less than 18" When using a round box where conductors or connectors requiring the use of locknuts or bushings are to be connected, to what part of the box can they not be connected? - Correct Ans-Side of the box (314.2) Type NM cable shall be approved for installing under the lower edges of a joist in crawlspaces if the wire is at least three ________ AWG - Correct Ans-8 (334.15 (c)) What is the required free space in a junction box for a #10 conductor? - Correct Ans-2.5 cubic inches (314.16(B)) 10 feet of equipment grounding conductor cannot be made of what? - Correct Ans-FMC (340.20(a) or 250.118(7)(B)) At what rated voltage does direct burial cable have to be shielded? - Correct Ans-2,000 volts (310.10(f)) What is the smallest sized conductor you can run in parallel? - Correct Ans-1/0 (310.10(h)(1)) What is the maximum number of conductors allowed in an auxiliary gutter? - Correct Ans-30 (366.22(a)) What type of conductor is rated for direct burial? - Correct Ans-UF Michigan Michigan What is the overcurrent protection for 8 #12 THHN conductors in a 1/2" pipe? - Correct Ans-20 amp What type of cable is approved for service entrance cable? - Correct Ans-SE What is the temperature rating for the conductor of type NM cable? - Correct Ans-60 C When direct burial exists the ground, what shall they be enclosed in? - Correct Ans Raceway Floor boxes must be made of what? - Correct Ans-UL listed A fixture box shall be independently supported if the fixture weighs more than how many pounds? - Correct Ans-50lbs Type NM cable shall be secured how many inches from a non-metallic box if there is no clamp? - Correct Ans-8" The minimum distance any edge of a stud must be from the edge of a hole for NM is? - Correct Ans-1-1/4" What is the maximum distance between supports for a 1" PVC? - Correct Ans-3' Type RTRC shall be permitted to be unsupported where the raceway is not more than _____ long and remains in unbroken lengths and terminated in an outlet box - Correct Ans-3' What is the maximum distance from a panel that type MI cable must be secured? - Correct Ans-6' Branch circuits supplying two or more outlets for fixed electrical space heating equipment shall be rated for not over how many amps? - Correct Ans-30 AMP Disconnecting means for motor circuits rated 600 volts or less shall have an amp rating not less than ______ % of the full load current rating. - Correct Ans-115% A general use snap switch shall be connected to no more than what percentage of motor loads? - Correct Ans-80% A conductor supplying a single motor use in continuous duty application shall have an ampacity of ______ % of the motors FLC - Correct Ans-125% Conductors supplying several motors shall have an ampacity of not less than the sum of the motors plus ______ % of the highest rated motor? - Correct Ans-125% Michigan Michigan By what percentage is the FLC of a wound rotor motor multiplied, to determine the motors minimum OCPD using inverse time breaker? - Correct Ans-150% Fuses are put on the current carrying conductors as well as the grounded conductor if it is what type of motor feeder? - Correct Ans-3 wire, 3 phase What cannot be connected to the supply side of a service disconnect? - Correct Ans 230.82 High impedance ground systems operate at a minimum of what voltage? - Correct Ans 480 Volts What is the minimum size wire for a ground ring? - Correct Ans-#2 Copper A concrete encased electrode with electrically conductive coated steel reinforcing bars shall be at least ______ in diameter and a minimum of 20 feet in continuous length - Correct Ans-1/2" Anesthetizing locations shall be classified as _______ and the location will extend upwards to a level of? - Correct Ans-Class 1, Div 1, Five feet An outdoors gasoline dispensing device up to 18" above grade level within 20" horizontally of any edge of the enclosure is? - Correct Ans-Class 1, Div 2 Liquid propane indoor storage tanks are class ____ division ____ with 5' of the tank - Correct Ans-Class 1, Div 1 What is the minimum size wire needed to supply a 100-amp single phase, 3 wire main service on a mobile home? - Correct Ans-#4 A single family dwelling has a 100-amp service. What size feeder will be required to supply a 75-amp electric space heater and a 25 amp air conditioner? - Correct Ans-#2 What is the minimum size THW conductor that can be used to supply a 200 amp single phase commercial building? - Correct Ans-3/0 copper What is the expansion rate of 250' of PVC that goes from a temperature change of -20F to 80F - Correct Ans-10.15 What is the maximum number of #14 conductors allowed in a 4" x 2-1/8" metal octagonal trade size box? - Correct Ans-10 What is the minimum size copper-clad grounding electrode conductor needed for a 200 amp single phase dwelling copper feeder? - Correct Ans-2 AWG Michigan Michigan What is the minimum size main bonding jumper for 800 kcmil service entrance conductor? - Correct Ans-2/0 (250.102(c)(1)) Communication wires should have a minimum voltage of? - Correct Ans-300v Class 1 power limited circuits shall be supplied by a source having a rated output of not more than how many volts and volt amps? - Correct Ans-30 volts, 1000VA For photovoltaic systems, what cannot be connected to the supply side? - Correct Ans non overcurrent device Neon tubing exceeding 1000 volts shall not be installed in? - Correct Ans-Dwelling units photovoltaic supply can be run in what type of raceway? - Correct Ans-MC What size branch circuit is required for a sign outside a commercial pedestrian door? - Correct Ans-20amp Indoor receptacle for an electric vehicle charging station shall be mounted at a minimum height of? - Correct Ans-18" indoor, 24" outdoor Commercial buildings with accessibility to pedestrians shall provide at least one _____ recepetacle? - Correct Ans-20amp How many inches has to be separated between class 2 and class 3 circuits? - Correct Ans-2" Hybrid communication wire shall have a minimum voltage of? - Correct Ans-600 volts Direct current turbines shall be installed in? - Correct Ans-MC In office furnishings, the flexible power cord shall not exceed _____ in length - Correct Ans-2' Where a portable optional standby source is used as a __________ it shall be grounded to grounding electrode - Correct Ans-separately derived system For an indoor hot tub, there must be a ______ or ________ no less than _____ft away - Correct Ans-Emergency shutoff or control switch, 5ft PVC requires a #___ insulated bonding conductor? - Correct Ans-8 Convenience outlets must be _____ protected - Correct Ans-GFCI Convenience outlets must be located between ____-_____ft from the inside wall of a pool - Correct Ans-6'-20' Michigan Junction boxes for wet niche fixtures must be _____ft from pool, and a height from the bottom of the junction box ____" above ground or ____" above water line, whichever is higher - Correct Ans-4', 4", 8" Equipotential bonding conductors must be solid and no smaller than? - Correct Ans-#8 Electrical wires going over the surface of the pool must be at least ______ above the waters surface? - Correct Ans-22.5' Pool pump receptacles must be at least _____ from the inside wall of the pool - Correct Ans-10' Bonding to a pool grid has to have what type of devices? - Correct Ans-pressure devices If the pool pump receptacle is GFCI protected, the pump receptacle may be located as close as ____ from the inside wall of the pool? - Correct Ans-6' Fixed metal parts within _____ horizontal from the inside wall of the pool has to be bonded - Correct Ans-5' Flexible cords must have an equipment grounding conductor no smaller than? - Correct Ans-12 A wet niche fixture must be a minimum of ________ below the water level - Correct Ans-18" Connectors and conduit to wet niche must be? - Correct Ans-corrosive resistant Michigan