Chapter 15 AWR test with complete
solutions
A minimum load of 5500 watts (volt-amperes) or the nameplate rating of the electric clothes dryer,
whichever is larger, is used when calculating the dryer load for service-entrance requirements. - correct
answer ✔✔False
When electric clothes dryers and electric ranges are cord-and-plug connected, the receptacle and the
cord set must be 4-wire, the fourth wire being the separate equipment grounding conductor. - correct
answer ✔✔True
NEC 210.70(A)(3) addresses ____ that are used for storage and attics that contain equipment that might
need servicing, such as air-conditioning equipment. - correct answer ✔✔attics
The NEC requires that an appliance nameplate show the ____. - correct answer ✔✔appliance rating in
volts and amperes or the appliance-connected load in volts and watts
When an existing dryer or electric range is replaced, the NEC ____ the grounded conductor of an existing
individual branch circuit to be used for grounding for appliance frame. - correct answer ✔✔permits
For most residential electric ____, receptacles and cord sets are rated 30 amperes, 125/250 volts. -
correct answer ✔✔washers and dryers
Electric washer/dryer combinations generally require a ____-ampere branch circuit similar to that
required for a typical electric clothes dryer. - correct answer ✔✔30
A(n) ____ is NOT an acceptable disconnecting means for appliances. - correct answer ✔✔horsepower-
rated switch
The maximum overcurrent protection for ____ AWG copper conductors is 30 amperes. - correct answer
✔✔10
solutions
A minimum load of 5500 watts (volt-amperes) or the nameplate rating of the electric clothes dryer,
whichever is larger, is used when calculating the dryer load for service-entrance requirements. - correct
answer ✔✔False
When electric clothes dryers and electric ranges are cord-and-plug connected, the receptacle and the
cord set must be 4-wire, the fourth wire being the separate equipment grounding conductor. - correct
answer ✔✔True
NEC 210.70(A)(3) addresses ____ that are used for storage and attics that contain equipment that might
need servicing, such as air-conditioning equipment. - correct answer ✔✔attics
The NEC requires that an appliance nameplate show the ____. - correct answer ✔✔appliance rating in
volts and amperes or the appliance-connected load in volts and watts
When an existing dryer or electric range is replaced, the NEC ____ the grounded conductor of an existing
individual branch circuit to be used for grounding for appliance frame. - correct answer ✔✔permits
For most residential electric ____, receptacles and cord sets are rated 30 amperes, 125/250 volts. -
correct answer ✔✔washers and dryers
Electric washer/dryer combinations generally require a ____-ampere branch circuit similar to that
required for a typical electric clothes dryer. - correct answer ✔✔30
A(n) ____ is NOT an acceptable disconnecting means for appliances. - correct answer ✔✔horsepower-
rated switch
The maximum overcurrent protection for ____ AWG copper conductors is 30 amperes. - correct answer
✔✔10
