Residential Electrical Services Latest Exam |Complete
Questions with 100% Correct Answers
When sizing electrical services, at what percentage is the first 3,000V A rated?
100%
A service conductor without an overall jacket must have a clearance of not less
than___________above a window that can be opened.
three feet
NEC Section 230.6 considers conductors installed under at
least___________inch(es) of concrete to be outside the building.
two
Type NM Cable may not be used in____________.
Shallow chases of masonry, concrete, or adobe.
Type MC cable may not be used_____________.
Where subject to physical damage.
Type SE cable is available with___________for interior wiring systems.
An insulated grounded conductor.
Type Ser cable may be used____________.
As a subfeed under certain conditions.
When sizing the general lighting load for electric services, what percentage is the
first 3,000VA rated at?
100%
The minimum service disconnecting means for one-family dwelling
is_____________.
100 A
The general lighting load in a residence is 3,600VA at 120V. What is the
amperage?
Amperage=Lighting Load/Voltage
A single-pole GFCI breaker is rated at______________.
120 VAC
In a residential electric service, the service can be grounded to the underground
gas piping system.
False
Service drop conductors must be at least____________________feet above the
ground or other accessible surface at all times.
10
In a noncumbustible wall, the outlet box may be recessed________________.
1/4 inch
A duplex receptacle outlet must be installed in all hallways longer
than______________feet.
10
Electric ranges, clothes dryers, and water heaters that operate at 240V require
a________________circuit breaker.
two pole
Questions with 100% Correct Answers
When sizing electrical services, at what percentage is the first 3,000V A rated?
100%
A service conductor without an overall jacket must have a clearance of not less
than___________above a window that can be opened.
three feet
NEC Section 230.6 considers conductors installed under at
least___________inch(es) of concrete to be outside the building.
two
Type NM Cable may not be used in____________.
Shallow chases of masonry, concrete, or adobe.
Type MC cable may not be used_____________.
Where subject to physical damage.
Type SE cable is available with___________for interior wiring systems.
An insulated grounded conductor.
Type Ser cable may be used____________.
As a subfeed under certain conditions.
When sizing the general lighting load for electric services, what percentage is the
first 3,000VA rated at?
100%
The minimum service disconnecting means for one-family dwelling
is_____________.
100 A
The general lighting load in a residence is 3,600VA at 120V. What is the
amperage?
Amperage=Lighting Load/Voltage
A single-pole GFCI breaker is rated at______________.
120 VAC
In a residential electric service, the service can be grounded to the underground
gas piping system.
False
Service drop conductors must be at least____________________feet above the
ground or other accessible surface at all times.
10
In a noncumbustible wall, the outlet box may be recessed________________.
1/4 inch
A duplex receptacle outlet must be installed in all hallways longer
than______________feet.
10
Electric ranges, clothes dryers, and water heaters that operate at 240V require
a________________circuit breaker.
two pole
