Electrical- Residential Wiring Chapter
Questions And Answers 100%CORRECT
The minimum number of small-appliance circuits required by the NEC in a kitchen area is _________.
- ANSWER: 2
When sizing residential electric services, the laundry load is calculated as _______. - ANSWER:
1,500 VA
When sizing the general lighting load for electric services, the first 3,000 VA is rated at ______. -
ANSWER: 100%
According to NEC Section 220.53, a demand factor of 75% may be applied to four or more ______. -
ANSWER: fixed appliances
The minimum service disconnect rating for a one-family dwelling is _______. - ANSWER: 100A
The general lighting load in a residence is 3,600 VA at 120V. What is the amperage? - ANSWER: 30A
A single-pole GFCI breaker is rated at ______. - ANSWER: 120VAC
Exposed noncurrent-carrying metal parts of fixed equipment must be grounded if the equipment
operates with any terminal over________. - ANSWER: 150V to ground
Which section of the NEC requires that hubs intended for use with raceway-type service masts be
identified for such use? - ANSWER: NEC Section 230.28
Service drop conductors must be located at a minimum height of ______. - ANSWER: 10' above the
ground or other accessible surface
The clearance between a service conductor without an overall jacket and a porch or balcony must
not be less than _______. - ANSWER: 3'
Questions And Answers 100%CORRECT
The minimum number of small-appliance circuits required by the NEC in a kitchen area is _________.
- ANSWER: 2
When sizing residential electric services, the laundry load is calculated as _______. - ANSWER:
1,500 VA
When sizing the general lighting load for electric services, the first 3,000 VA is rated at ______. -
ANSWER: 100%
According to NEC Section 220.53, a demand factor of 75% may be applied to four or more ______. -
ANSWER: fixed appliances
The minimum service disconnect rating for a one-family dwelling is _______. - ANSWER: 100A
The general lighting load in a residence is 3,600 VA at 120V. What is the amperage? - ANSWER: 30A
A single-pole GFCI breaker is rated at ______. - ANSWER: 120VAC
Exposed noncurrent-carrying metal parts of fixed equipment must be grounded if the equipment
operates with any terminal over________. - ANSWER: 150V to ground
Which section of the NEC requires that hubs intended for use with raceway-type service masts be
identified for such use? - ANSWER: NEC Section 230.28
Service drop conductors must be located at a minimum height of ______. - ANSWER: 10' above the
ground or other accessible surface
The clearance between a service conductor without an overall jacket and a porch or balcony must
not be less than _______. - ANSWER: 3'
