National Electrical Code |
Comprehensive Question and Answers |
Graded A
_ are not included in calculating receptacle loads for appliances
Right Answer - air conditioning systems
_ are not included in the calculated floor area of a dwelling unit
Right Answer - open porches
_ locations contain ignitable or combustible elements (gases, dust, fibers,
etc) in quantities sufficient to produce explosive or ignitable mixtures
Right Answer - division 1
_ receptacles are permitted on a 15 amp overcurrent protective device
Right Answer - ten
_must be included when calculating a dwelling unit service
Right Answer - small appliance branch circuits
A 3-phase 4-wire wye-connected power system supplying nonlinear loads
may necessitate a design allowing for the possibility of ______ on the
neutral conductor.
Right Answer - High harmonic neutral currents
A ballast in a Fluorescent exit luminaire shall -------
Right Answer - not have thermal protection
A clothes dryer neutral load on a feeder can be calculated at _ %
Right Answer - 70
, A continuous load is defined as a load
Right Answer - having the maximum level of current sustained for three
hours or more
A demand factor of _ % can be applied to the nameplate rating load of four
or more fastened-in-place appliances
Right Answer - 75
A drip loop's lowest point has a minimum vertical clearance of
Right Answer - 10ft
A dwelling unit must have at least _ small appliance branch circuits
Right Answer - 2
A feeder is defined as all circuit conductors between the _ containing fuses
or breakers that feed branch circuits
Right Answer - service disconnecting means the panelboard
A load where the maximum current is expected to continue for _ or more is
a continuous load
Right Answer - 3 hours
A one-family dwelling service disconnecting means must have a minimum
rating of _
Right Answer - 100 amperes-3 wire
A recessed luminaire not identified for contact with insulation shall have all
recessed parts spaced at least _____ from combustible materials.
Right Answer - 1/2 inch
A scale ruler is used in _
Right Answer - determining the location of outlets
A structural ceiling may not
Right Answer - be suspended or drop type
Comprehensive Question and Answers |
Graded A
_ are not included in calculating receptacle loads for appliances
Right Answer - air conditioning systems
_ are not included in the calculated floor area of a dwelling unit
Right Answer - open porches
_ locations contain ignitable or combustible elements (gases, dust, fibers,
etc) in quantities sufficient to produce explosive or ignitable mixtures
Right Answer - division 1
_ receptacles are permitted on a 15 amp overcurrent protective device
Right Answer - ten
_must be included when calculating a dwelling unit service
Right Answer - small appliance branch circuits
A 3-phase 4-wire wye-connected power system supplying nonlinear loads
may necessitate a design allowing for the possibility of ______ on the
neutral conductor.
Right Answer - High harmonic neutral currents
A ballast in a Fluorescent exit luminaire shall -------
Right Answer - not have thermal protection
A clothes dryer neutral load on a feeder can be calculated at _ %
Right Answer - 70
, A continuous load is defined as a load
Right Answer - having the maximum level of current sustained for three
hours or more
A demand factor of _ % can be applied to the nameplate rating load of four
or more fastened-in-place appliances
Right Answer - 75
A drip loop's lowest point has a minimum vertical clearance of
Right Answer - 10ft
A dwelling unit must have at least _ small appliance branch circuits
Right Answer - 2
A feeder is defined as all circuit conductors between the _ containing fuses
or breakers that feed branch circuits
Right Answer - service disconnecting means the panelboard
A load where the maximum current is expected to continue for _ or more is
a continuous load
Right Answer - 3 hours
A one-family dwelling service disconnecting means must have a minimum
rating of _
Right Answer - 100 amperes-3 wire
A recessed luminaire not identified for contact with insulation shall have all
recessed parts spaced at least _____ from combustible materials.
Right Answer - 1/2 inch
A scale ruler is used in _
Right Answer - determining the location of outlets
A structural ceiling may not
Right Answer - be suspended or drop type
