Electrical Journeyman Test 2024 Questions and Answers, Exams of Nursing

Download Electrical Journeyman Test 2024 Questions and Answers and more Exams Nursing in PDF only on Docsity! Electrical Journeyman Test 2024 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 - Answer- 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". - Answer- ...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 - Answer- 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 - Answer- 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 - Answer- 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 - Answer- 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 - Answer- 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. - Answer- 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... - Answer- 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 - Answer- 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 - Answer- 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..... - Answer- 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 - Answer- c. Underground Feeder (See 338.12 (B) What is the % conduit fill used in a nipple that does not exceed 24" - Answer- A: 60% (see chapter 9 table 1 note (4).) What does the winding ratio of a transformer refer to - Answer- The number (ratio) of primary windings compared to the number (ratio) of secondary windings What is the most common purpose of using a transformer - Answer- To change voltage To use flexible metallic conduit as a grounding means, what is required - Answer- 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') What residential door does not require an exterior light circuit - Answer- A vehicle door A bathroom is required to have - Answer- A light switch, electrical outlet and GFCI protection A dwelling at grade level is required to have - Answer- (2) outside outlets, a laundry circuit, and a minimum 100A electrical service *this may be an "all of the above" or "A, B, and C" type of question* What wire color SHALL NOT be used for a grounded (neutral) conductor - Answer- Green What is the smallest NM wire size that can be attached to the bottom edge of a floor joist in an unfinished basement - Answer- Three #8 AWG conductors In a raceway, what size conductors and larger must be stranded - Answer- #8 What Class location may be subjected to gasses which could explode - Answer- Class I Regarding direct burial electrical cable, what does USE designate - Answer- Underground Service Entrance Underground Rigid PVC, subject to damage, must be what minimum material - Answer- Schedule 80 In a clothes closet, what style lamp is NOT permitted - Answer- Pendant The National Electrical Code's stated purpose of system ground is to - Answer- Limit Voltage Bends of conduit between pull points, can not exceed - Answer- 360 Degrees At an outlet, how much conductor length is required - Answer- 6" What type of cable is commonly installed in dwellings - Answer- NM (romex) 20 ampere circuit has one receptacle (not a duplex) what is the required minimum rating of the receptacle - Answer- 20A A kitchen or dining room WALL counter space, how many inches or wider requires an outlet - Answer- 12" inches wide or more Holes are drilled into wall studs, the edge of the holes are required to be no less than how many inches to the top of the stud. (both front and back) - Answer- 1 1⁄4" What is the smallest AWG size allowed for fixture wiring - Answer- 18 AWG Receptacles in a dwelling unit along a wall, are to be no farther apart than how many feet - Answer- 12 Ft In a dwelling, GFCI protection is required where - Answer- Bathrooms, outdoors, within 6 ft of any sink, garages, kitchens, bathtubs, laundry areas, crawl spaces, unfinished basements and boat houses What temperature column in 310.15(B)(16) is used to find the ampacity of NM cable - Answer- 60 degree temperature column Grounding pipe and rod electrodes must have how many feet in contact with the soil - Answer- 8 ft How many service disconnects may be grouped together - Answer- 6 What is the maximum electrical size permitted for non-metallic electrical rigid, such as PVC or RNC - Answer- 6" What is the smallest AWG size allowed to be installed in parallel circuits - Answer- 1/0 AWG A bare aluminum grounding electrode conductor must be terminated a minimum of how far from earth - Answer- no closer than 18" to the earth Coaxial and communication wire shall have a minimum voltage rating of - Answer- 300V What is the minimum ground cover for non-metallic rigid raceway that is NOT encased in concrete - Answer- 18" In a Class I location using rigid metal joints, how many threads must be "fully engaged" - Answer- 5 A neutral branch conductor is typically defined as - Answer- A grounded conductor A small appliance branch circuit SHALL NOT supply a - Answer- switched light Service conductors in a raceway, under a building, are considered to be OUTSIDE the building if protected by - Answer- 2" of concrete Electrical outlets for appliances such as electric washing machines and dryers, are to be installed within how many feet of the intended location - Answer- 6 ft Cables rated above how many volts shall be shielded - Answer- 2,000 volts AC systems between 50V - 1000V shall be grounded when the voltage to ground does not exceed - Answer- 150 Volts A hand hole in a metal light pole shall have an opening no less than - Answer- 2" x 4" A general use snap switch controlling a 1⁄2 Hp motor load, shall have a switch rating of at least - Answer- 125% of the motor load Ungrounded conduits entering a building must be - Answer- Sealed Is it permitted to connect a security light, photo cell, or stand by power to the SUPPLY SIDE of an electrical service - Answer- No What color identifies an "isolated ground" (noise reduction) receptacle - Answer- Orange A metallic screw to electrically connect a neutral's grounded bus bar to a CT cabinet is also called - Answer- A main bonding jumper What is the maximum branch circuit size for non-dwelling, fixed industrial infrared heating - Answer- 50A What is installed on the ends of conduit to protect conductors from pulling abrasion - Answer- Insulated bushings A free standing office partition is cord and plug connected to the power supply. What is the maximum length of the partition power cord AND what is the maximum distance from the wall or floor receptacle supplying the electrical power to the partition - Answer- Maximum cord and plug length is 2 ft. Maximum distance from the partition to either a floor or wall receptacle supplying electrical power to the partition is 12" Maximum distance from heat and air-conditioning equipment to a service receptacle is - Answer- 25 ft Articles of the Electric Code may be waived by who - Answer- The Authority Having Jurisdiction Receptacles in an unfinished basement must have what type of safety protection - Answer- GFCI (Ground Fault Circuit Interrupter) What is the NEC term for "Greenfield" - Answer- Flexible Metallic Conduit (FMC) In a motor circuit (inductive circuit) what leads, and what lags - Answer- Voltage leads - Current lags A mobile home, the grounded conductor must be what from the other grounded parts and conductors - Answer- Insulated If a water pipe is used as a grounding electrode, it must be supplemented by an additional - Answer- Electrode In a 3-phase, 208-volt, grounded wye system. What voltages are available - Answer- 208V and 120V Community Antenna TV (CATV) systems shall be grounded and - Answer- Bonded to the electrical system What circuit breaker switch rating is limited to fluorescent lighting loads, usually found in residential - Answer- SWD "Edison" base "plug" style fuses shall not exceed what voltage and shall not exceed what current - Answer- Not over 125V and not over 30A If a circuit breaker is not marked, what is the assumed INTERUPT rating - Answer- 5,000A Are CATVP, CATVR, CATVX, and CATV cables permitted for one and two family dwellings - Answer- Yes A fixed electrical heating cable must be how far from an electrical outlet - Answer- 8" Around a pool, the common bonding wire must be bare solid copper and no smaller than - Answer- #8 AWG Plastic insulated fixture wire shall have the wire type marked on the surface at intervals of no less than - Answer- 24" Maximum size of grounding electrode conductors connected to rods, plates, or pipe electrodes - Answer- #6 AWG (copper) A dwelling has a detached garage that has a light switch and a non-switched grounded receptacle. How many minimum conductors are run between the dwelling and garage - Answer- 3 conductors (hot neutral and EGC) Except for certain businesses and a homeowner, only ____ can be issued an electrical permit - Answer- An Electrical Contractor A Master Electrician may qualify (be master of record for) how many contractor licenses - Answer- One May electrical conduit be installed inside a cable tray adjacent to electrical conductors, such as, MI cable, or optical fiber cable - Answer- Yes Inside a clothes closet, what is the minimum distance between the storage space and an enclosed ceiling fixture - Answer- 12" A transformer supplying power to a fire water pump, shall require overcurrent protection for the - Answer- Primary A high impedance, grounded neutral system, is permitted for (3-phase) voltages of - Answer- 480V to 1,000V Plgs used to firmly install electrical equipment into masonry, plaster, or similar materials, shall not be made of - Answer- Wood The nominal GFCI trip rating is - Answer- 5ma Festoon lighting spans exceeding how many feet, shall be supported how - Answer- Over 40 ft festoon spans must be supported by a messenger wire (cable) Conductors between the final overcurrent device and the outlet(s) are what type of circuit - Answer- Branch Circuit Conduit must be fastened within what distance of junction and outlet boxes - Answer- 3 ft Permits for electrical repairs are required if the value exceeds - Answer- $100 A circuit is supplied by a source not more than 1,000 va and not more than 30 volts is a - Answer- Class 1 Power Limited Circuit Neon lighting over 1,000 volts is not to be installed in or on - Answer- Dwellings Bulk storage tanks, such as gasoline service stations, are classified as what location - Answer- Class I Commercial circuits that supply signs and outline lighting shall be at least ____ amperes and supply ____ - Answer- 20A and supply no other load Service entrance conductors must be supported within ____" of the service panel - Answer- 12" Is UF, NM, or NMS approved to be used as a service entrance cable - Answer- No An outlet to service roof top A/C equipment, shall be installed within - Answer- 25 ft A single throw knife switch, must be installed so the contacts will not be closed if pulled by - Answer- Gravity A commercial garage without ventilation, the space between 18" above the floor is - Answer- Class I, Division 2 A grounding electrode conductor, is a conductor that connects a "grounded circuit" to a grounding ____ - Answer- Electrode The minimum length and size for a ground ring is - Answer- 20 ft and #2 AWG Electrical resistive space heating element, what is the maximum current and the maximum OCPD - Answer- 48A maximum current and 60A OCPS Surge Protective Devices (SPDs) shall be connected to line and grounding conductors no smaller than - Answer- #14 copper or #12 aluminum A manufactured or mobile home power supply cord, the grounding conductor is identified with what color - Answer- Green What is the maximum temperature for "T2C" - Answer- 446 degrees F Multiple grounding rod electrodes shall be spaced apart a minimum of - Answer- 6 ft apart What is the minimum service size conductor - Answer- #8 AWG Circuits supplied from an electrical source not exceeding 30V and 1000VA is what class - Answer- Class1, Power Limited A dwelling pool must have at least - Answer- One receptacle A plug and cord connected pool recirculating pump, must have - Answer- A single grounding type receptacle, GFCI protected, and locking style *this may be an "all of the above" or "A, B, and C" type of question*