test 2
thermal insulation shall not be installed above or within inches of the side of the side of a recessed luminaire this is a type non ic luminaire
3
a surface mounted fluorescent luminaire light fixture mounted in a clearance of at least inches to the storage area
6
refer to figre 117.108 the five switches shown adjacent to the bathroom door are to installed in 5 gang box
false
a 4 awg grounded conductor is permitted to have insulation
gray
the required minimum clearances for surface mounted incandescent or led luminaries installed in clothes closets are those for fluorescent luminaries
greater than
an equipment grounding conductor is permitted to have insulation
green
when using individual 6 awg conductors in a raceway which of the following colors of insulation are not permitted for the grounded conductor
green with yellow stripe
as more loads are added to a series circuit the resistance of the circuit
increases
as the resistance in a series circuit is decreased the amount of current in the circuit
increases
the circuit shown below is operating if the filament in lamp 1 breaks
lamp 2 will not operate at all
in addition to other pars a luminary consists of a
lamp holder and lamp
the required minimum clearances for surface mounted fluorescent luminaries installed in clothes closets are those for incandescent luminaries
less than
fluorescent ballasted contain thermal protectors that will open the circuit disconnect power to pervert
overheating
power in a series circuit of three resistless elements uses which formula
a
resistance in a series circuit of three resistless elements uses which formula
a
voltage in a series circuit of three resistless elements uses which formula
a
which of the receptacles shown below is correctly wird
a
a bathroom is defined as an area including a basin with one or more of the following
any of these
gfci protection can be provided for receptacles serving kitchen counter-top areas in a dwelling by installing
any of these
which of the wing methods listed below is permitted to be used for fixture whips
any of these
a luminaire fixture installed under a covered breezeway would have to be marked as suitable for a location
damp
partially protected area such as under the roof of the open front porch of a house are considered
damp
as the resistance in a series circuit is increased the amount of in the circuit
decreases
according to the nec recessed luminaries fixtures that are identified for contact with insulation shall have all recessed parts at least from
0 inches
where a recessed luminaire contains a thermal device switch to protect against overheating this be-vice will
1&3 only
refer to figure 116.101 which of the connection is correctly drawn the recptacle is to be constantly hot and the fan should operate from one location and the light shoud operate from two locations
1, 2
refer to figure 116.102 which of the connection diagrams is correctly drawn the receptacle is to be constantly hot the light should operate form tow locations and the fan should operate from one location
1,2
minimum clearance of combustible materials from recessed luminaries fixtures that are not identified as
1/2 inch
article of the nec defines a bathroom
100
a surface mounted incandescent luminaire light fixture mounted in a clothed clothes must maintain a clearance of at least inches to the storage area
12
what is the total power used by a 12 volt having two 6 watt loads connected in series
12 watts
at 180 va per outlet how many outlets can be installed on a 20 ampere circuit 120 volt if the circuit loading is to remain within its ratings
13
although not limited by the nec if a 15 amp residential circuit is to be loaded only up to be loaded only up to its rating how many outlets can be put on the 120volt circuit if the outlets are rated at 1200 va per outlet
15
although not limited to 80%by the nec if a 20 amp residential circuit are to be loaded only up to 80% of its rating how many luminaires fixtures with 120 watt lamps can be installed on the 75 volt circuit
2
refer to figure 117.108 to determine the number of wires entering the box fmc flexible metal conduit with 12 awg wire is the wiring method used an equipment grounding conductor will be-installed in the flex to the heat vent light instead of the arrangement shown five 3" 2 metal switch boxes will be ganged together to form a 5 gang switch box for the switches in the bathroom each will be a single pole type
2
which nec section requires receptacles in each bathroom to be gfci protected
210.8
what is the minimum horizontal clearance for a hanging luminair fixture from the rim of a bathtub or spa
3 feet
an insulated grounded conductor of 6 awg or smaller shall be identified by a continuous white or gray outer finish or by continuous white stripes on other than green insulation along its entire length
4
a recessed fluorescent luminaire light fixture mounted in a clothes closet must maintain a clearance of at least inches to the storage area
6
the code reference that requires marking on a luminary used in damp locations such as under a canopy covering a walkway into a building is
410.10
the total current drawn by several luminaries fixtures that have a total wattage of 950 watts and are
7.92
although not limited to 80% by the nec if a 15 amp residential circuit is to be loaded only up to 80% of its rating how many luminaries fixtures with 150 watt lamps can be installed on the 120 volt circuit
9
where are electrical receptacle outlets not permitted to be located
above certain electric baseboard heaters
if lighting fixtures are connected in series what happens if one lamps burns out
all lamps would go out
current in a series circuit of three resistless elements uses which formula
b
a 12/3 cable is installed from a 120/240v 10 panel and feeds a split wired duplex receptacle one hot is connected to a 20a breaker in panel space 1 the second hot is connected to the lower receptacle which of the following will happen if the neutral is removed from the receptacle
because a higher voltage will be applied 120 volt equipment could be destroyed
a bathroom is defined as an area including a basin with one or more of the following
bidet
a grounded conductor can be marked with tape
black
luminaries are often supplied with separate trims lenses diffuses etc the nec at 110.b states that listed or labeled equipment shall be used or installed in accordance with any instructions included in the listing or labeling this or labeling this means that it is permitted to use the trim ring from a halo luminary on a lightener down-light
fales
during normal operation the current flows out ta 120 volt load on the hot and returns on the conductor assume this is a properly connected
grounded
the conductor must have an outer covering that is either white or gray in color
grounded
the neural conductor of a 120 volt circuit is referred to as the conductor in the nec
grounded
what conductor in a circuit is permitted to be marked with a color of white or gray
grounded
if a ground fault occurs in the conductors leading out a 120 volt load the current flows out on the hot and and almost all of the current returns on the conductor. assume this is a properly connected circuit.
grounding
during a ground fault the current flow through the circuit breaker is the current flow during normal operation assume this is a properly connected circuit
higher than
refer to figure 116.101 which of the connection diagrams is correctly drawn the receptacle is to be constantly hot the light should operate from one location and the fan should operate form two locations
neither 1,2
refer to figure 116.103which of the connection diagram is correctly drawn the receptacle is to be constantly hot the light should operate from one location and and the fan should operate from tow locations
neither 1,2
in multi-wire circuits the grounded conductor is also called a
neural
the grounded conductor of a 120 volt circuit is typically known as the
neural
a 12/3 cable is installed form a 120/240 v 10 panel and feeds a split wired duplex receptacle one hot is connected to a 20a breaker in panel space 1 the second hot is connected to a 20a breaker in space 3 which of the following will happen when a 16 amp load is connected to the upper receptacle and a 14 amp load is connected to the lower receptacle
none of these
a 6 awg grounded conductor can be marked with tape
none of these
refer to figure 116.102 which of the connection diagrams is correctly drawn the receptacle is to be constantly hot the light should operate from one location and the fan should operate from two locations
only
refer to figure 116.102 which of the connection diagrams is correctly drawn the receptacle is to be controlled with one switch and the fan should be controlled from two switch locations
only
a series circuit consists of a power source circuit conductors and a lamp if the filament in the lamp is broken this circuit is called an circuit
open
as a minimum requirement luminaires installed on the outside of an office building under a covered entryway must be marked as
suitable for damp locations
a 12/3 cable is installed from a 120/240v 10 panel and feeds a split wired duplex receptacle one hot is connected to a 20a breaker in panel space 1. the second hot is connected to the upper receptacle and a 14 amp
the grounded neutral conductor will be overloaded
the required minimum clearances for a recessed mounted fluorescent luminaire installed in clothes closets are those for a recessed mounted incandescent or led luminaire with a trim ring that ring that has a glass lens
the same as
the grounding conductor was run out to the appliance load and was bonded to the metal enclosure the properly connected circuit is operating nor mating normally when a ground fault occurs the circuit breaker will
trip very quickly
an integral thermal protector for recessed luminaires will automatically restore once the luminaire has cooled
true
during a ground fault the current flow to a 120 volt load also travels through the source typically a transformer winding assume this is a properly connected circuit
true
during normal operation the current flows out ta 120 volt load also travels through the source typically a transformer winding assume this is a properly connected circuit
true
when installed as the neutral for a 120 volt circuit the neural is considered to be a current carrying conductor
true
some porable appliaces use double insulation in place of grouning to provide shock protection to users double insulated appliances normally have power cords and attachment plug caps
two wire
the hot conductor of a circuit is referred to as the conductor in the nec
underground
according to the nec any location exposed to the weather is considered a location
wet
luminaires that are installed on the outside of an office building are permitted to be marked as suitable for locations
wet 1
a luminaire lighting fixture installed outside on the exterior wall of a building located on the campus of rice university must be marked as suitable for
wet locations
repeated reference is made in ewr and the nec to limit the length of fixture whips to 6 feet what is the significant of this 6 foot limitation
when a wiring method is used that is permitted to be longer than 6 feet for other than
the color of the insulation of a neutral conductor that is 8 awg shall be
white and gray
adjacent to the master bedroom i a home is a dressing room containing a vanity with a sink and a mirror entry to a room containing a Jacuzzi tub and a toilet is through a door from the dressing room are the dressing room the Jacuzzi room considered to be a bathroom by nec
yes
