Journeyman Electrical Test 2024 Questions With Correct Answers

A fixed light will be allowed to be 30 amp provided the socket is rated ____ duty. a. Light b. Medium c. Heavy d. Extra Heavy - Answers c. Heavy From the Skilled Trades Act, Section 7 "Except as otherwise provided in this article or in subsection (3), and individual other than an individual who is licensed under this article and ______________ working under the direction of a holder of an electrical contractors licence, shall not in any manner undertake to execute any electrical work". - Answers ...And employed by and... A box with (2) 14/3 NM, one yoke, and a clamp requires a minimum or _____ cubic inches. a. 16 b. 18 c. 20 d. 22 - Answers c. 20 NM Cable in a 2x4x2.5 plastic box will not require a cable clamp if secured within _____ inches of the box. a. 8 b. 12 c. 16 d. 20 - Answers a. 8 A box with #10 AWG THHN will require a free space of _____inches. a. 2 b. 2.25 c. 2.5 d. 3 - Answers c. 2.5 (See Table 314.16 (B).) A mobile home with 100 amp service will require service conductors of ____ AWG. a. #4 b. #3 c. #2 d. #1 - Answers a. #4 (See 550.33 (B) and 310.15 (B)(7).) A service with (4) 4" PVC conduits with (4) 800KCMIL feeder in each will require a main bonding jumper of what AWG? a. 4/0 b. 1/0 c. 250 KCMIL d. 500 KCMIL - Answers d. 500 KCMIL (See Table 250.102 (C)(1) and Chapter 9 Table 8 A conduit protecting the grounding electrode conductor shall be bonded to the ____ at both ends. - Answers Grounding Electrode Conductor (See 250.66(E)(1).) A grounding electrode encased in concrete shall be _____ft long and _____ in circumference. a. 8ft, 5/8" b. 12ft, 1⁄2" c. 20ft, 1⁄2" d. Something else... - Answers c. 20ft, 1⁄2" (See 250.52(A)(3).) The required outlet for an in-ground pool shall be mounted _____ a. On the wall of a building 21 feet from waters edge b. On a balcony 8 feet above water level c. On a support 3 feet from waters edge d. On a post 6'6" above grade level - Answers d. On a post 6'6" above grade level (See 680.22(A)(1).) Permanently installed pool motors shall have a cord length of_____ a. 3ft b. 6ft c. 12ft d. 20ft - Answers a. 3ft (See 680.21 (A)(3).) The conductor feeding a wet-niche pool light will be _____ a. Electrical Metallic Conduit b. Rigid conduit made of brass c. Flexible metallic conduit d. Something else..... - Answers b. Rigid conduit made of brass (See 680.23(B)(2) and (B)(2)(a).) Which conductor is not allowed to be used as a service conductor? a. USE b. MC Cable c. Underground Feeder d. MI Cable - Answers c. Underground Feeder (See 338.12 (B) What is the % conduit fill used in a nipple that does not exceed 24" - Answers A: 60% (see chapter 9 table 1 note (4).) Car Wash Receptacle must be - Answers WR Weather Resistant (see 406.9 (B)(1).) Overhead Service conductor clearance for pedestrian walkway - Answers 10' (see 230.24 (B)(1).) Snap switch used for motor must not exceed - Answers 80% of the amp rating of the switch (see 404.14 (A)(3).) Max amperage of Edison based fuse - Answers 30A (see 240.51 (A).) What can you put on a small appliance circuit. - Answers Receptacles for a gas fired range, oven, or countertop cooking unit (see 210.52 (B)(2) Exception 2) Type of branch circuit needed for a furnace or other central heating equipment - Answers Individual Branch Circuit (see 422.12) Receptacle serving AC or refrigeration equipment - Answers Required within 25' (see 210.63) Minimum size hand-hole in a pole supporting a luminaire - Answers 2" X 4" (see 410.30 (B)(1).) Laundry room branch circuit shall be - Answers Dedicated (see210.11 (C)(2).) A receptacle supplying power to a furnace, is required to be powered by what type of electrical circuit. - Answers An INDIVIDUAL circuit What is the required minimum wire size for a ground ring - Answers #2 American Wire Gage (AWG) Why sponsors the NEC - Answers The NEC is sponsored by the NFPA (National Fire Protection Association) The inside of conduit in a wet location is considered to be _____ - Answers Considered to be wet Which term is typically found in the NEC, FLA or FLC - Answers FLC (Full Load Current) What is a coulomb - Answers A quantity (number) of electrons in 1 ampere of current for a deration of 1 second Fuses for overload protection may be used in what type of circuit - Answers 3 wire, 3 phase, 1 conductor grounded What is an electrical JOULE - Answers 1 watt for a period of 1 second Increasing a circuits resistance will do what - Answers Circuit current (amperage) will decrease and circuit power will decrease What is the meaning of "true" or "real" power - Answers True or Real circuit power is the actual power of an electrical system - LISTED IN WATTS What is the meaning of "apparent" power - Answers Apparent power is what the power appears to be - LISTED AS: VA or KVA What motor currents are printed in the NEC: FLA of FLC - Answers FLC (Full Load Current) Ferrous (iron-magnetic) enclosures are connected to a non-continuous ferrous raceway. Raceways must be bonded to electrical enclosures - HOW - Answers Raceways must be electrically bonded through and at each end of a non-continuous raceway to the enclosures(s) Electrons move in which direction - Answers Negative (-) to Positive (+) A non-grounding receptacle is replaced with a grounding receptacle. What must be done to comply with MRC - Answers Option 1 - The replaced receptacle must be labeled "no equipment ground" Option 2 -If supplied thru a GFCI, the replaced receptacle must be labeled "GFCI protected" and "no equipment ground" *this may be "both A and C" type of question* What makes electrocs move in a conductor - Answers EMF, voltage, and potential *this may be an "all of the above" or "A, B, and C" type of question* The "Left Hand Rule" is commonly used to determine - Answers Used to indicate the path of electrical current and the direction of a circuits magnetic north Electrical current in a conductor creates what around the conductor - Answers A magnetic flux field Three resistors are connected in series. How is the total resistance calculated - Answers The resistors are added together "Voltage Drop" is equal to what formula (from the EIR circle) - Answers E (voltage drop) = I (current) x R (resistance) Conduit threads cut in the field must be coated with a compound that is - Answers Electrically conductive and non-corrosive Can a Master Electrician pull an electrical permit - Answers No What does the winding ratio of a transformer refer to - Answers The number (ratio) of primary windings compared to the number (ratio) of secondary windings What is the most common purpose of using a transformer - Answers To change voltage To use flexible metallic conduit as a grounding means, what is required - Answers Cossin doesn't really answer this. It could be any of the following, are a combination. • The conduit is terminated in listed fittings • The circuit conductors in the conduit are protected by an OCPD rated 20A or less • The size of the conduit does not exceed metric designator 35 (trade size 1 1⁄4") • The length of the ground-fault current path does not exceed 1.8 m (6')