WIRING TEST CHAPTERS 7,10,15,19 EXAM QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026

WIRING TEST CHAPTERS 7,10,15,19 EXAM QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026 Luminaire is a term that refers to - Answers Incandescent lighting fixtures, flourescent lighting fixtures, outdoor pole-mounted fixtures Overheating of lighting fixtures, which often results in fires, is most often caused by - Answers burying recessed fixtures under thermal insulation and overlamping Information about what types of lighting fixtures are suitable for which types of installations can be found in the - Answers National Electric Code, UL Guide Information for Electrical Equipment (White book), UL Electrical Construction Materials Directory (Green Book) Flourescent fixtures mounted on low-density cellulose fiberboard must be generally mounted ________ the fiberboard surface - Answers 1-1/2 inch from Recessed lighting fixtures constructed for installation in thermal insulation are rated as - Answers Type IC Fixtures whips used with fixtures in suspended ceilings are permitted to be of various types of cables or conductors in flexible raceways. Regardless of the wiring method used, fixture whips are permitted to be a maximum of _______ long between outlet box and fixture. - Answers 6 feet The NEC requires that when a suspended ceiling grid is used to support lay-in type lighting fixtures, ________ - Answers the grid be securely fastened together and secured to the building structure and the lay-in fixtures be securely fastened to the grid members using bolts, screws, rivets, or listed clips All of the following are types of fluorescent ballasts, except for _______ - Answers capacitor-boosts The "I" in florescent lamp ratings refers to the lamp diameter, in 1/8 inch increments. Thus, a T12 lamp is ______ inch(es) in diameter and an T8 is _______ inch(es) - Answers 1-1/2, 1 Which of the following lamp types generally performs badly in low temperatures? - Answers Fluorescent Leaving fluorescent lamps on for long periods of time ______ lamp life. - Answers extends When making up cord connections on a chain-hung fixture, the conductor with the grooved or raised insulation is the ______ conductor - Answers identified LEDs have a life expectancy of _______ hours - Answers 60,000-100,000 Fluorescent lamps are color-rated in terms of degrees Kelvin, which express temperature above absolute zero (-273 F). The ______ the degrees Kelvin, the _______ the color tone - Answers lower, warmer A bathroom is defined as "an era including a basin, with one or more of the following: _______ - Answers toilet, tub, bidet Install luminaires listed for _____ locations if they will be subject to shower spray. - Answers wet As defined in Article 100, a bathroom is required to have a ____. - Answers basin With _______ products, it takes two failures to create a shock hazard to the user - Answers double-insulated The NEC permits all bathroom receptacles to be on a single _______ branch circuit so long as it doesn't supply other loads - Answers 20-ampere The Code permits GFCI-protected receptacles to be installed ______ inches from a tub or shower space a. 12 b.18 c.24 d. none of the above - Answers d. none of the above Some portable appliances use double insulation in place of grounding to provide shock protection to users. Double-insulated appliances normally have ______ power cords and attachments plug caps - Answers two-wire GFCI protected receptacles ____ permitted to be installed within a tub or shower space. - Answers are not Recessed or surfaced-mounted luminaires and recessed exhaust fans _____ be located within the restricted zone near the bathtub - Answers may Ceiling-suspended paddle must not be located within a zone measured ______ horizontally and ________ vertically from the top of the bathtub rim or top of a shower stall threshold - Answers 3 ft, 8 ft Prior to the 1996 NEC, ___ receptacles and cords were permitted. However, not it is mandatory that a separate equipment grounding conductor be installed to ground the frames of electric clothes dryers and electric ranges. - Answers 3-wire When an existing dryer or electrical range is replaced, the NEC ________ the grounded conductor of an existing individual branch circuit to be used for grounding the appliance frame - Answers permits NEC 210.70(A)(3) requires that at least one lighting outlet must be installed in an ___ and that this lighting outlet contain a switch such as a pull-chain lampholder, or be controlled by a switch located near the entry. - Answers attic For most residential electric ___, receptacles and cord sets are rated 30 amperes, 125/250 volts. - Answers clothes dryers Electric washer/dryer combinations generally require a ___ - ampere branch circuit similar to that required for a typical electric clothes dryer. - Answers 30 The NEC requires that an appliance nameplate show _______ - Answers the appliance rating in volts and amperes or the appliance connected load in volts and watts The maximum overcurrent protection for ________ AWG copper conductors in 30 amperes - Answers 10 All of the following are acceptable disconnecting means for appliances, except for - Answers a horsepower-rated switch A "unit switch" used as a disconnecting means for an electric clothes dryer shall - Answers disconnects all the conductors in the appliance In accessible attics, exposed cables must be protected by guard strips when ___. a. they are run across the top of joists b. they are run across the face of the studs c. they are installed within 7 feet of the floor or joists d. all of the above - Answers d. all of the above Dual-voltage-rated pump motors are rated ____. - Answers 115/230 Where the values of branch-circuit protection required for motors according to Table 430.52 do not correspond to standard ratings as listed in NEC 240.6, the next ___ rating is permitted to be used. - Answers higher Should it be required to run a pump's circuit underground for any distance, it is necessary to install Type UF or Type USE cable or _______, and then make up the necessary splices in a listed weatherproof junction box - Answers a raceway with suitable conductors Motor disconnects are required to be - Answers horsepower-rated Submersible pump cable supplied with well pump assemblies _______ also suitable for direct burial - Answers is not NEC 430.103 requires that a disconnecting means for a motor shall ___ ungrounded conductors. - Answers open all Because a water heater represents a continuous load, the branch circuit must be rated not less than _______ percent of the water heater nameplate rating. - Answers 125 When a non-motor-operated electrical appliance is not marked with is overcurrent protective device rating , NEC 422.11(E) states that the branch circuit overcurrent protection shall be - Answers 20 amperes where the applicance rating does not exceed 13.3 amperes An electric water heater is a continuous load that requires that the branch circuit rating must not be less than ______ of the nameplate rating - Answers 125 percent An individual motor disconnect must be in sight of the motor controller and must disconnect the controller. The NEC definition of in sight means that the controller must be visible and not more than ______ from the disconnect. - Answers 50 ft (15m) Discuss where the branch circuit is installed when wiring lighting fixtures - Answers leg and the loop Explain why many incandescent lamps intended for use on 120-volt systems are rated 125 or 130 volts - Answers extends the life of the light