Question 1

Dishwashers and kitchen waste disposers may be connected to any of the required 20-ampere small-appliance branch circuits in the kitchen.

Accepted Answer

A) True 
 B)False  False

Question 2

When a food-waste disposer has an integral ON-OFF switch, an additional separately installed switch ____ required.

Accepted Answer

A)   is
B)   is notC) A) and B)
D) undefined

Question 3

Lock-off provisions for appliances must be permanently installed on the ____________________ or switch.

Accepted Answer

The answer of Lock-off provisions for appliances must be permanently...

Question 4

Because of the problem of people being scalded, many municipalities and states have implemented code requirements that water heater thermostats be set at not over 120 degrees F (49 degrees C).

Accepted Answer

A) True 
 B)False

Question 5

The Code Article that specifically addresses electrical appliances is ____________________.

Accepted Answer

The answer of The Code Article that specifically addresses electrical...

Question 6

Small-appliance circuits are intended to serve countertops for cord-connected ____ appliances only.

Accepted Answer

A)   under 1/3 horsepower
B)   portable
C)   fixed-in-place
D)   none of the aboveE) A) and D)
F) B) and C)

Question 7

Explain why a 125-volt, 15- or 20-ampere receptacle installed in an under-cabinet space to supply a dishwasher and/or food-waste disposer is not required to have GFCI protection for personnel.

Accepted Answer

This receptacle does...

Question 8

Per the specifications, the branch-circuit conductors for food waste disposers and dishwashers are ____ AWG.

Accepted Answer

A)   6
B)   12
C)   24
D)   36E) All of the above
F) C) and D) B

Question 9

Article ____, Part VI, covers equipment grounding and equipment grounding conductors.

Accepted Answer

A)   210
B)   250
C)   400
D)   422E) A) and B)
F) B) and C)

Question 10

A dual-element fuse sized at approximately 125% of the full-load current rating of the motor adds extra overcurrent protection to the overload protection built into a food-waste disposer.

Accepted Answer

A) True 
 B)False

Question 11

All motor-driven appliances must be provided with a means disconnecting the appliance from the ungrounded conductors. The branch-circuit breaker can serve as the disconnecting means if within sight of the appliance or capable of being ____________________.

Accepted Answer

locked in the "OFF" position
locked in the OFF position

Question 12

NEC 210.23(A)(2) limits cord-connected equipment to ____________________ percent of the branch-circuit ampere rating.

Accepted Answer

The answer of NEC 210.23(A)(2) limits cord-connected equipment to ____________________...

Question 13

A duplex grounding-type receptacle is usually installed in an accessible location under the sink for plugging in the dishwasher and food waste disposer, and it does not have to be ____ protected.

Accepted Answer

A)   AFCI
B)   GFCI
C)   assured grounding conductor
D)   IDCIE) C) and D)
F) A) and D)

Question 14

The two general methods of connecting food-waste disposers are hard-wired and ____________________.

Accepted Answer

cord-and-p...

Question 15

The maximum flexible cord length permitted for a kitchen waste disposer is ____.

Accepted Answer

A)   18 in. (450 mm) 
B)   24 in. (600 mm) 
C)   3 ft (900 mm) 
D)   6 ft (1.8 m) E) A) and B)
F) All of the above

Question 16

Portable dishwashers are supplied with a 3-wire cord and plug. If the 3-wire plug cap is plugged into a properly connected ____________________ receptacle, the dishwasher is adequately grounded.

Accepted Answer

3-wire gro...

Exam 21: Special-Purpose Outletsfood Waste Disposer, Dishwasher

Dishwashers and kitchen waste disposers may be connected to any of the required 20-ampere small-appliance branch circuits in the kitchen.

Correct Answer
verified
False

When a food-waste disposer has an integral ON-OFF switch, an additional separately installed switch ____ required.

Correct Answer
verified

Lock-off provisions for appliances must be permanently installed on the ____________________ or switch.

Correct Answer
verified

Because of the problem of people being scalded, many municipalities and states have implemented code requirements that water heater thermostats be set at not over 120 degrees F (49 degrees C).

Correct Answer
verified

The Code Article that specifically addresses electrical appliances is ____________________.

Correct Answer
verified

Small-appliance circuits are intended to serve countertops for cord-connected ____ appliances only.

Correct Answer
verified

Explain why a 125-volt, 15- or 20-ampere receptacle installed in an under-cabinet space to supply a dishwasher and/or food-waste disposer is not required to have GFCI protection for personnel.

Correct Answer
verified
This receptacle does...
View Answer

Per the specifications, the branch-circuit conductors for food waste disposers and dishwashers are ____ AWG.

Correct Answer
verified
B

Article ____, Part VI, covers equipment grounding and equipment grounding conductors.

Correct Answer
verified

A dual-element fuse sized at approximately 125% of the full-load current rating of the motor adds extra overcurrent protection to the overload protection built into a food-waste disposer.

Correct Answer
verified

All motor-driven appliances must be provided with a means disconnecting the appliance from the ungrounded conductors. The branch-circuit breaker can serve as the disconnecting means if within sight of the appliance or capable of being ____________________.

Correct Answer
verified
locked in the "OFF" position locked in the OFF position

NEC 210.23(A)(2) limits cord-connected equipment to ____________________ percent of the branch-circuit ampere rating.

Correct Answer
verified

A duplex grounding-type receptacle is usually installed in an accessible location under the sink for plugging in the dishwasher and food waste disposer, and it does not have to be ____ protected.

Correct Answer
verified

The two general methods of connecting food-waste disposers are hard-wired and ____________________.

Correct Answer
verified
cord-and-p...
View Answer

The maximum flexible cord length permitted for a kitchen waste disposer is ____.

Correct Answer
verified

Portable dishwashers are supplied with a 3-wire cord and plug. If the 3-wire plug cap is plugged into a properly connected ____________________ receptacle, the dishwasher is adequately grounded.

Correct Answer
verified
3-wire gro...
View Answer

Exam 21: Special-Purpose Outletsfood Waste Disposer, Dishwasher

Dishwashers and kitchen waste disposers may be connected to any of the required 20-ampere small-appliance branch circuits in the kitchen.

Correct AnswerverifiedFalse

When a food-waste disposer has an integral ON-OFF switch, an additional separately installed switch ____ required.

Correct AnswerverifiedShow Answer

Lock-off provisions for appliances must be permanently installed on the ____________________ or switch.

Correct AnswerverifiedShow Answer

Because of the problem of people being scalded, many municipalities and states have implemented code requirements that water heater thermostats be set at not over 120 degrees F (49 degrees C).

Correct AnswerverifiedShow Answer

The Code Article that specifically addresses electrical appliances is ____________________.

Correct AnswerverifiedShow Answer

Small-appliance circuits are intended to serve countertops for cord-connected ____ appliances only.

Correct AnswerverifiedShow Answer

Explain why a 125-volt, 15- or 20-ampere receptacle installed in an under-cabinet space to supply a dishwasher and/or food-waste disposer is not required to have GFCI protection for personnel.

Correct AnswerverifiedThis receptacle does...View AnswerShow Answer

Per the specifications, the branch-circuit conductors for food waste disposers and dishwashers are ____ AWG.

Correct AnswerverifiedB

Article ____, Part VI, covers equipment grounding and equipment grounding conductors.

Correct AnswerverifiedShow Answer

A dual-element fuse sized at approximately 125% of the full-load current rating of the motor adds extra overcurrent protection to the overload protection built into a food-waste disposer.

Correct AnswerverifiedShow Answer

All motor-driven appliances must be provided with a means disconnecting the appliance from the ungrounded conductors. The branch-circuit breaker can serve as the disconnecting means if within sight of the appliance or capable of being ____________________.

Correct Answerverifiedlocked in the "OFF" position locked in the OFF position

NEC 210.23(A)(2) limits cord-connected equipment to ____________________ percent of the branch-circuit ampere rating.

Correct AnswerverifiedShow Answer

A duplex grounding-type receptacle is usually installed in an accessible location under the sink for plugging in the dishwasher and food waste disposer, and it does not have to be ____ protected.

Correct AnswerverifiedShow Answer

The two general methods of connecting food-waste disposers are hard-wired and ____________________.

Correct Answerverifiedcord-and-p...View AnswerShow Answer

The maximum flexible cord length permitted for a kitchen waste disposer is ____.

Correct AnswerverifiedShow Answer

Portable dishwashers are supplied with a 3-wire cord and plug. If the 3-wire plug cap is plugged into a properly connected ____________________ receptacle, the dishwasher is adequately grounded.

Correct Answerverified3-wire gro...View AnswerShow Answer

Correct Answer
verified
False

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
This receptacle does...
View Answer

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
locked in the "OFF" position locked in the OFF position

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
cord-and-p...
View Answer

Correct Answer
verified

Correct Answer
verified
3-wire gro...
View Answer