123

a. interrupt all ungrounded circuit conductors

A "unit switch" that is a part of an appliance and is used as a disconnecting means shall ___. Select one: a. interrupt all ungrounded circuit conductors b. have a NEMA 1 enclosure when installed outdoors c. be horsepower rated d. all of these

a. shall not

A permanently-connected 1.2 KW appliance is located in a commercial kitchen. The panelboard that provides power to this appliance is not in the same room with the appliance. The circuit breaker cannot be locked in the OFF position. The branch circuit breaker ___ serve as the disconnecting means for the appliance. Select one: a. shall not b. is permitted to

c. either I or II

A receptacle installed ___ is required to be GFCI protected where installed in a dwelling kitchen.I. under a kitchen sink for the garbage disposalII. under a kitchen sink for the dishwasher Select one: a. I only b. II only c. either I or II d. neither I nor II

b. is not

A receptacle installed inside a cabinet to serve a cord-connected microwave oven mounted in the cabinet ___ permitted to be connected to one of the two required small-appliance branch circuits for the home. Select one: a. is b. is not

a. Yes

A receptacle under the kitchen counter of a dwelling is used to supply power to a disposal. Is the receptacle required to be GFCI protected? Select one: a. Yes b. No

c. not permitted

A receptacle under the kitchen counter of a dwelling is used to supply power to a garbage disposal. This receptacle is ___ to be connected to one of the two required small-appliance branch circuits. Select one: a. permitted b. required c. not permitted

a. means

A(n) ___ shall be provided to disconnect each appliance from all ungrounded conductors. Select one: a. means b. operator c. terminal d. circuit

d. all of these

An electrician should always read ___ to determine any specific electrical requirements. Select one: a. installation instructions b. the owner's manual c. the nameplate d. all of these

c. 422

Article ___ in the NEC® covers the sizing of branch circuits for appliances used in restaurants. Select one: a. 680 b. 424 c. 422 d. 210 e. 250

c. noncoincident

For most dishwashers, the motor and heating element for drying are referred to in the NEC® at 220.60 as ___ loads because they do not operate simultaneously. This heating element is NOT the booster heating element. Select one: a. alternating b. exclusive c. noncoincident d. reciprocating

e. I and II only

Given the options (I, II & III) shown below, select all that are required to be marked on an appliance nameplate.I. current II. voltage III. resistance Select one: a. II only b. II and III only c. III only d. I or III only e. I and II only

c. either a or b

Microwave cooking appliance manufacturers suggest a dedicated ___ branch circuit for the appliance. Select one: a. 20-ampere b. 15-ampere c. either a or b

d. I or II only

NEC® 422.60(A) requires that an appliance nameplate show ___.I. the appliance rating in volts and amperesII. the appliance rating in volts and wattsIII. the appliance branch circuit conductor size Select one: a. I only b. II only c. I and III only d. I or II only e. III only

c. both a & b

NEC® 430.102 requires that a ___ have a disconnecting means and that it be in sight. Select one: a. motor b. motor's controller c. both a & b

d. all of these

NEC® Sections 422.30 through 422.35 allow which of the following disconnecting means for fixed appliances not over 300 VA or 1/8 horsepower? Select one: a. attachment plug cap b. branch-circuit breaker c. separate disconnect switch d. all of these

a. four-wire

Since the grounded (neutral) conductor is not permitted to be used for connecting an equipment grounding conductor to the frames of electric ranges, ovens, or cooktops in new installations, these appliances require ___ power cords. Select one: a. four-wire b. double-insulated c. listed d. three-wire

a. types of flexible cord

Table 400.4 in the NEC® can be used to find ___. Select one: a. types of flexible cord b. corrected ampacity for flexible cord conductors c. types of fixture wire d. all of these e. none of these

a. countertop

The two 20-ampere small-appliance branch circuits required for the kitchen and dining room area are intended to supply ___ appliances. Select one: a. countertop b. under 1/3 horsepower c. fixed-in-place d. all of these

b. I, II & III

To meet the NEC® definition as a kitchen, the room must contain ___.I. a sinkII. permanent provisions for food preparationIII. permanent provisions for cooking Select one: a. II & III only b. I, II & III c. III only d. I & III only

c. sized according to the ampacity of the branch circuit conductors supplying the appliance

When an appliance is not marked with its maximum overcurrent protection, the branch circuit protection device is ___. Select one: a. sized according to NEC® Table 220.56 b. limited to 30 amperes maximum c. sized according to the ampacity of the branch circuit conductors supplying the appliance d. none of these

c. receptacle outlet

When conductors are run into a box and a receptacle is installed, this box is a(n) ___ per the NEC® definition. Select one: a. outlet b. lighting outlet c. receptacle outlet

c. both a and b

When connecting foreign-made equipment and appliances, the electrician should be aware that ___ may differ from those commonly found on American equipment. Select one: a. wire colors b. terminal markings c. both a and b

a. 422

Which Code article covers electric appliances used in any occupancy? Select one: a. 422 b. 250 c. 240 d. 210

d. any of these

Which of the following are permitted to serve as the disconnecting means for a food-waste disposer? Select one: a. the branch-circuit breaker b. a wall switch that disconnects the ungrounded conductor c. a receptacle and cord arrangement d. any of these e. none of these

a. I, II & III

Which of the following are types of flexible cords?I. SJO II. SOW III. SO Select one: a. I, II & III b. I only c. I & III only d. III only e. I & II only