Second Semester Class Study Set 2024
Luminaires might bear a label stating "Suitable for Use in Suspended Ceilings". If so labeled, these luminaires are intended only for installation in suspended ceilings and ____________.
are not part of the building structure
AFCI and GFCI that are not listed for use on multiwire branch circuits have clear instructions warning _________.
"Never share a neutral"
Task Lighting is sometimes referred to as _______ lighting.
"activity"
Metal boxes usually have a ______ tapped hole for securing an equipment grounding screw.
#10-32
NEC does not permit any track lighting within _____horizontally and _____ ft vertically the top of a bathtub rim or top of a shower stall threshold.
3 ft (900 mm), 8 ft (2.5 m)
Feeders or branch circuit conductors within _______ of a ballast, LED driver, power supply or transformer shall have an insulation temperature rating not lower than 90°C (194°F), unless supplying a luminaire marked as suitable for a different insulation temperature.(Chapter 7)
3-inches (75mm)
When control is desired from 3 locations, four-way switches are connected to the travelers between two 3-way switches. One _____is fed by the source, the other ____switch is connected to the load.
3-way, 3-way
Electric washer/dryer combinations generally require a _______ ampere branch circuit similar to that required for a typical electric clothes dryer.
30
Low-voltage lighting systems are required to operate at no greater than _______.
30 volts ac or 60 volts dc
Rather than using 40 watts with fluorescent lamps, energy savings can be considerable when using _________.
32 or 34 watts
A fixture whip is ____ feet long and is installed between the junction box and the luminaire.
4 to 6
Lighting tracks in residential installations are required to be supported twice if the track is not more than ____ft, and shall have one additional support for each additional ____ ft of track.
4, 4
A light controlled by two 3-way switches that is fed at the light must have a _______ run to both switches if a neutral is required at both switches.
4-wire cable
Ceiling outlet boxes used exclusively for lighting are required to be suitable to support a luminaire weighing a minimum of _______ .
50 lb
A doorjamb switch is usually mounted about ____ ft above the floor, on the inside of the 2 x 4 framing on the hinge side of the closet door.
6
All 125-volt through 250-volt receptacles within _____ feet of the outside edge of a sink shall be GFCI protected.
6
If the laundry area is in the basement, then a GFCI-protected receptacle outlet must also be installed for the laundry equipment, NEC 210.52(F). This additional receptacle must be within ____ ft of the intended washer location.
6
In most rooms of a dwelling unit, wall receptacles must be placed so that no point measured horizontally along the floor line in any wall space is more than ____ feet from a receptacle outlet.
6
Foyers that are not part of a hallway and have an area that is greater than _______ ft2 are required to have a receptacle(s) located in each wall space 3 ft of more in width.
60
The most common type of dimmer used in residential applications is rated ____ watts, 125 VAC, 60 hertz.
600
GFCI protection can be provided for convenience receptacles serving kitchen countertop areas by ____.
installing a single feed-through type GFCI receptacle to protect downstream receptacles
Nonmetallic boxes are typically stamped with the _________ of the box.
internal volume
If the ambient temperature exceeds _______, the ampacity values must also be corrected according to the factors found in Table 310.15(B)(1).
86°F (30°C)
Exhaust fans have a very low power requirement, in the order of ________.
90 volt-amperes
Junction boxes that come with luminaires have wires rated ________.
90°C
Residential overhead garage door operators are required to have an inherent _____ that reverses the door when sensing an obstruction is detected.
"entrapment protection system"
Switches and other devices usually are effectively grounded using the ______ screw holes of a metal box for the metal yoke.
#6-32
Receptacles located in hallways are required to have ______.
AFCI protection
The circuit breaker supplying the study/bedroom shall be a/an ________.
AFCI type
Usual single pole ______ are not designed to function on branch circuits where the neutral is shared.
AFCIs and GFCIs
Connectors not marked __________are for use with copper conductors only.
AL" or "AL/CU"
_____ 15- and 20-ampere, 125- and 250-volt nonlocking type receptacle installed in a damp or wet location are required to be listed weather-resistant type.
All
Overheating of lighting fixtures, which often results in fires, is most often caused by ____.
burying recessed fixtures under thermal insulation
GFCI receptacles break both the ungrounded ("hot") and ________conductors. This is a requirement of UL 943, the safety standard for GFCI devices.
grounded (white)
Illuminated toggle switches, rocker switches, and illuminated faceplates do not require the _______.
grounded circuit conductor
In the international system of units, the prefix kilo- means ____.
thousand
Currents over _____ are considered by some as the "let go" limit.
10- 16 mA
Any space of wall ____ ft or more in width (including space measured around corners) requires a receptacle.
2
When the case temperature reaches 230°F (110°C), the thermal protector must open within _____.
2 hours
Some local jurisdictions have made these EV charging outlets ____.
mandatory
Voltage drop in a residence can be observed when _______.
motors run slower and hotter
If a detached garage has no electricity provided, then _____ are applicable.
no rules
If a two-wire receptacle is encountered it is _________to remove or cut off the grounding pin on the cord plug.
not permissible
Usually for electrical projects, permits must be issued _________.
prior to starting the job
When connecting a multiwire (3-wire) circuit in the panel, care must be used to ensure that the two "hot" circuit conductors are connected to opposite phases in the panel or the neutral _______.
might be overloaded
A 3-wire branch circuit has _______ less wire(s) than two separate circuits.
one
In the international system of units, the prefix milli- means ____.
one thousandth
Circuit A15 is a rather simple circuit that has two sets of 3-way switches: one set controlling the front entry ceiling luminaire, the other set controlling the ________ and the bracket luminaires on the front of the garage.
porch luminaire
When a load is to be controlled from two locations ___________.
three-way switches are used
Architect, engineers and designers will sometimes use different ____________, so it is important to verify what is being indicated on the plans and in the specifications.
. symbols
The ampacity values in the tables are valid where there are no more than _____current-carrying conductors in a raceway or cable and where the temperature does not exceed 86°F (30°C). Question 2Answera. six
. three
Device boxes and faceplates are typically designed for 6-32 screws. These correspond to __________.
0.138 diameter, coarse pitch
To make voltage drop and conductor sizing calculations for a 3-phase system, substitute the factor of _______ in place of the factor 2 in the voltage drop formulae.
1.732 (the square root of 3)
If noncombustible surface material (tile, gypsum, plaster, and like material) is used on walls or ceilings, then boxes, plaster rings, domed covers, extension rings, or listed extenders must be mounted so that they will be set back no more than ______ inch from the face of the surface material.
1/4
Hallway receptacles require a receptacle if the hallway measures _______ ft. or more in length measured along the centerline of the hallway.
10
NEC requires that boxes with internal volumes of ______or less, other than those listed in Table 314.16(A), be durable and legibly marked by the manufacturer with their cubic-inch
100 in3
You should consider using a 20-ampere rated branch circuit and ____ conductors for the entire branch circuit to reduce voltage drop and help provide adequate ampacity.
12 AWG
If using multi outlet assemblies, each _____ of multi outlet assembly containing two or more receptacles installed in individual or continuous lengths counts as _____ receptacle outlet.
12 in., 1
Standard mounting height for receptacles on walls is _________.
12-18 inches
Each receptacle shall be counted as _____ volt-amperes.
120
NEC Article 625.41 requires that the overcurrent protection for feeders and branch circuits supplying electric vehicle supply equipment (EVSE) be sized for a continuous load and be rated ________ of the maximum load of the equipment.
125%
One of the possible feeder ampacity limits is conductors are required to have an ampacity no less than the noncontinuous load plus _______ of the continuous load.
125%
The maximum overcurrent protection for 14 AWG copper conductors is ____________.
15 amperes
Double-insulated appliances normally have ____ power cords and attachment plug caps.
2-wire
NEC 310.15(C)(1) requires that the ampacity must be reduced when more than three current-carrying conductors are installed in a raceway or multiconductor cables are installed for a continuous length longer than ______ inches without maintaining spacing.
24
There must be enough receptacles so that no point along the wall is more than _____ inches, measured horizontally, from a receptacle outlet in that space.
24
Multiwire branch circuits are typically used where _____ are needed by an appliance.
240- and 120- volts
LED lights typically have a very long life from _______.
25,000 to 50,000 hours
"Non-Type IC" luminaires are for installations in non-insulated ceilings and must not be over and be kept at least ____________inches away from insulation.
3
A receptacle outlet is required to be located within _____ feet of the outside edge of the sink.
3
Receptacles shall not be installed within _____ ft horizontally of a shower or bathtub.
3
General lighting and receptacle loads may be calculated at __________.
3 VA per ft2
Luminaires will have to be spaced in increments of _____ feet, if there is no dropped ceiling, or the drop is not as much as the height of the luminaires.
4
As an example of conductor fill, the number of 10 AWG THW conductors that may be pulled into a trade size 3/4 EMT would be __________.
8
In unfinished basements, nonmetallic-sheathed cables made up of conductors smaller than two 6 AWG or three _____ must be run through holes bored in joists, or on running boards.
8 AWG
Cord-and-plug-connected appliances connected to multiple-outlet branch circuit are not permitted to exceed _________of the branch-circuit rating.
80%
The harmful component of an electrical circuit is _____________.
Current
The SPD immediately near the service is required to be _______.
Either type 1 or 2
NEC 314.16 dictates that outlet boxes, switch boxes, and device boxes should be large enough to provide _______ for the wires in that box, without having to jam or crowd the wires into the box.
ample room
Surge protective devices rely on ______to function correctly.
an equipment grounding conductor
Where any receptacle replacements are made, the NEC generally requires that the replacement receptacles be _____________.
both AFCI and/or GFCI type if required currently
An incandescent lamp operating at a voltage greater than its rated voltage will not last as long but will burn ______.
brighter
A raised plaster ring cover, if marked with its cubic-inch volume, ______the maximum number of conductors permitted for the combined box and raised cover.
can increase
Luminaires marked "Recessed Fluorescent Luminaire" are intended for installation in _______ in ceilings and walls and are to be wired according to NEC®.
cavities
A good idea is to have the clothes closet light controlled by a single-pole switch outside the __________ .
closet door
An important step in preparing the wiring diagram is to mark the ______of the conductors.
color
Among the six different methods of providing AFCI protection, the most simple and unencumbered is a listed ___________.
combination type AFCI
The permission in to use the next higher circuit breaker if the ampacity of the conductor does not apply if the conductors supply ______ receptacle(s) for cord-and-plug connection of a load.
more than one
All temporary 125-volt, single-phase, 15-, 20-, and 30-ampere receptacle outlets on small (15 kW max.) portable generators used for construction ______ GFCI protected.
must be
Low-voltage landscape lighting systems, which are generally used outdoors in wet locations _________.
must be listed for the application
If more than one equipment grounding conductor enters a box they _________.
must be spliced only with devices suitable for use
Because a multiwire circuit requires fewer wires, less ________ might result .
need for correcting ampacity
A 3-wire circuit has the disadvantage of possible burnout of equipment if the _____ conductor opens.
neutral
The single 20-amp branch circuit installed in the bathroom is ____ to feed a receptacle in the hallway.
not allowed
Using the equipment grounding conductor as a substitute for the circuit's grounded or neutral conductor is ___________.
not allowed
There is an exception in 210.8 (A) for the receptacle that is an integral part of these laundry fan assemblies. They are _____ protected.
not required to be GFCI
Tamper-resistant receptacles energize the blade contacts ______.
only for a male plug
To help control induction heating, 3-way switches should switch ___________.
only the ungrounded conductor
After determining first floor dimensions, the NEC allows you to subtract ________.
open porches
In computing load, the floor area of the dwelling is based on the square footage area. Which area would not be included in the floor area?
open porches
When wiring a study/bedroom, consider using 12 AWG conductors, and 20 amp. circuit, especially throughout. The main purpose is it will _______.
optional improvement
Electrical inspectors are not fallible. They may be part-time or also have the responsibility for ______.
other areas
One important exception for a dwelling is AFCIs are not required for______.
outdoor receptacles
AFCI protection is required for _________, in bedrooms, not just ______.
outlets and devices, GFCI where required
General lighting provides ______illumination for a given area, such as the front hall. It is basic.
overall
The ampere rating of the branch circuit ______ protective device (fuse or circuit breaker) determines the rating of the branch circuit.
overcurrent
The surface of aluminum ______ as soon as it is exposed to air. If this surface is not penetrated by the connector, a poor connection is a result.
oxidizes
When split-wired receptacles are used, all of the phase ("hot") conductors must be disconnected at the ________simultaneously.
panelboard
The NEC defines a kitchen as an area with a sink and ____ provisions for food preparation and cooking.
permanent
Post light luminaires are often controlled by a _____ that is installed on the post or in the luminaire.
photocell
The 20-ampere circuit that serves only the receptacle(s) in a bathroom are also permitted to serve _______.
powder room (1/2 bath) receptacles
Manual reset is advantageous with portable GFCI devices should a _______occur or if the GFCI is unplugged
power outage
The rating of a branch circuit is determined by the _____________.
rating of the overcurrent device
Permits are a means for a community to permanently _____to be done and_____.
record electrical work, who is doing the work
A not-easily accessible receptacle behind a refrigerator is _______ to have AFCI protection.
required
The kitchen lighting branch circuit is ______ to be AFCI protected.
required
Among the allowed uses for AC toggle (snap) switches are _________________.
resistive loads not exceeding the ratings of the switch
________ and/or adequate lighting above and forward of the standing position at the vanity can provide excellent lighting in the bathroom.
Mirror lighting
__________ generally includes outdoor lighting, walkway lighting, and all other lighting that serves the purpose of providing lighting for illegal and safety reasons.
Security lighting
Prewired assemblies are available with a number of various configurations. ____ receptacles 40 inches long, or ____ receptacles 52 inches long.
Six, 10
Master Bedroom receptacles are required to have protection provided by _______ circuit breaker.
an arc-fault circuit interrupter (AFCI)
Electrical symbols used on an architectural plan show the location and type of electrical device required. To reduce confusion with structural components, the shape of the lines that represent electrical wiring are ________.
curved
Some inspectors consider the area within a 45° angle from a roof line or overhang to be a ______ location.
damp
A simple formula for calculating voltage drop on single-phase systems considers the _____ of the conductors and the ambient temperature.
dc resistance
Requirements for outdoor installations include the type of cable that is suitable for direct burial and the _____of wiring for protection against damage.
depth
Some LED lamps reduce energy use and can be _______ .
dimmable
To determine the number of lighting outlet branch circuits required, _______ the minimum lighting load calculated using 22.5(C) by the ampere rating of the branch circuits to determine the number of lighting outlet branch circuits required.
divide
Residential plans ______ provide the electrician with the location of individual receptacles, luminaires, or switches.
do not
The NEC ________ refrigerators to be connected to either of the two required 20-ampere small appliance branch circuits.
does permit
For the multiwire branch circuit if you accidentally open the neutral, the equipment will see ______ the usual voltage.
double
OSHA offers safety courses referring to personal protective equipment (PPE). These include such items as ________.
ear protection
Sometimes it becomes more _____ to run one 3-wire circuit rather than installing two 2-wire circuits.
economical
Several communities, counties, and/or states require electricians and electrical contractors to be licensed. Minimum qualifications might include __________.
education
Double pole switches are sometimes used to control ____________.
electric clothes dryers
Arc fault protection is specifically not to be provided for _______ and _______ branch circuits.
fire alarm, arc welding
Conductors in a ____ fixture whip in a typical suspended ceiling "lay-in" fluorescent luminaire must have a temperature rating as required on the label in the luminaire.
flexible
To ensure that the conductor insulation will not be injured, be sure to ream the cut ends of rigid conduit and electrical metallic tubing to remove ____.
rough edges and burrs
When replacing an old luminaire in an older house with a new luminaire, beware of ____.
rubber (Type R) or thermoplastic (Type T) insulation
The maximum current draw for a typical overhead door operator is 5-amperes. Some electrical inspectors insist that a ________.
separate branch circuit be run
A luminaire directly overhead will light the top of one's head but will cause ______on the face.
shadows
Be very careful when interpreting symbols because of the ______ between them.
similarity
An individual branch circuit for the refrigerator is not considered a _______ branch circuit.
small appliance
A multiwire branch circuit has fewer current-carrying wires than would be the case with two separate two-wire circuits. This might result in _______ and less _______.
smaller raceway, derating
Where the calculations result in a small fraction of an ampere, except such Fractions are permitted to be dropped. A small fraction is considered _________.
smaller than 0.5
______AFCI and GFCI devices are listed for use on multiwire branch circuits.
some
Luminaires installed where protected from the weather and not subject to saturation with water are marked "________".
suitable for damp locations
Luminaires installed where exposed unprotected to the weather must be marked "_______".
suitable for wet locations
The box furnished with a doorjamb switch is generally suitable only for the ________because of limited space.
switch loop conductors
Most of the general lighting for the living room will be provided by ______.
table lamps and floor lamps
All nonlocking receptacles rated 15- and 20-amp, 125-volts through 250-volts are required to be listed as _________.
tamper-resistant type
Boxes used at lighting outlets must be designed or installed so that a luminaire may be attached to it. This is typically accomplished by the manufacturer providing in the boxes _____.
tapped holes
The branch circuit overcurrent protective device must not exceed _____ .
that which is specified as the maximum for the circuit supplying the appliance
For suspended ceiling luminaires, grounding of the luminaire is accomplished by installing an equipment grounding conductor between ___________.
the outlet box and the luminaire
Two single-pole AFCIs or GFCIs on a multiwire branch circuit will not function because each needs to have ________from that branch circuit connected to that particular AFCI or GFCI.
the white grounded conductor
When a Non-Type IC recessed luminaire gets overheated because of overlamping, mislamping, or being too close to thermal insulation, the ________ trips off.
thermal protector
Class P ballast has a case temperature not exceeding _______.
194°F
A(n) ________ is a good choice to make a positive first impression on guests.
entry ceiling light
Track is generally fastened to the ceiling with _____.
toggle bolts and screws
For the most part, the safest practice includes tagging, locking the disconnecting, and _______.
turning power off
A study/bedroom is perfect to consider a multi-wire circuit. The bedroom in this book requires_________
two 3-way switches
A GFCI monitors the current balance between the _______ "hot" conductor and the ______conductor.
ungrounded, grounded
Once you have cut an opening the size of the specific type of electrical box to be installed, you can ____________.
use boxes with plaster ears
Aluminum conductors have a higher resistance compared to a copper conductor of the same size. When considering ______ a conductor's resistance is a key ingredient
voltage drop
Aluminum conductors have a higher resistance compared to a copper conductor of the same size. When considering ______ a conductor's resistance is a key ingredient.
voltage drop
Exhaust fans can have an integral pull-chain switch for starting and stopping, or it is far more common practice to control exhaust fans with a separate_______.
wall switch
For estimating purposes, it is often safe to assume that volt-amperes equals ________.
watts
All nonlocking receptacles rated 125-volts through 250-volts that are located in damp locations are required to be listed as _________.
weather-resistant type
Some inspectors consider the area outside a 45° angle from a roof line or overhang to be a ______ location.
wet
Any unprotected location exposed to the weather is considered a _______.
wet location
GFCI and AFCI technologies are compatible. There _______be a problem if the devices are connected in series.
will not
Hallway length is measured along the centerline of the hallway ________
without passing through a doorway
For fire-Resistance the maximum gap between a metallic or nonmetallic box and the wall material is ________.
⅛ inch
Burial depth changes depending on whether the branch circuit has_____.
GFCI protection
For 30-ampere branch circuits for combination washer/dryers, a separate 120-volt, single-phase, ________-ampere 3-wire branch circuit is required.
20
Most manufacturers recommend the range hood exhaust fan/light is supplied by an individual branch circuit rated ________.
20 amperes
A receptacle below a 4-way switch in the corner of a living room is required because the Code requires that a receptacle be installed in any wall space ____ inches or more in width.
24
NEC 210.52(G)(1) states: In each attached garage and in each detached garage with electric power, at least one receptacle outlet shall be installed in each vehicle bay and not more than _________ feet above the floor.*
5 ½
NEC Chapter 9 has established allowable conductor fill for conduits and tubing. For three or more conductors, the allowable fill is ______.
40%
Standard mounting height for receptacles on kitchen walls between the backsplash and cabinets is ____________.
44-46 inches
Lighting track in residential installations must be listed by ______.
a qualified testing laboratory
If the branch circuit and receptacle are installed for the electric vehicle charging system, ________ must be provided in the feeder or service where the branch circuit originates.
additional capacity
At a minimum, 15-ampere branch circuits are required in ______________.
all of the above
At a minimum, 15-ampere branch circuits are required in________________.
all of the above
Working on electrical equipment requires insulated shoes, face shields and ______ .
rubber gloves
apply to special occupancies, special equipment, or other special conditions and may supplement or modify this or earlier Chapters.
Chapters 5, 6, 7
Cables may feed surface-mounted enclosures. Where cable is used, each cable shall be ____to the cabinet, cutout box, or meter socket enclosure.
all of the above
Electric shock can cause _________.
all of the above
Rooms or areas where specific height for receptacle outlets and switches are often specified include ________.
all of the above
Track lighting may not be installed ____________________.
all of the above
Especially in old work, you _____ of supporting the paddle fan independently.
always have the choice
The NEC does not require luminaires in clothes closets but some________.
local codes may require them
Non-metallic boxes are permitted, but the manufacturer must ______ .
mark the volume
At a minimum, 20-ampere branch circuits are required in _____________.
master bath
Local electrical codes _____ permit cable wiring in unfinished basements other than where absolutely necessary.
may or may not
When designing a home office, you could consider roughing in more wall receptacles than the NEC ____.
minimum
312.5(C) exception allows cables with nonmetallic sheaths to enter the top of a surface-mounted enclosure through one or more nonflexible raceways not less than _____ in. and no more than ____ ft under certain conditions.
18, 10
In designing a branch circuit, assume load limit of 80% of the branch circuit rating. For a 12 AWG conductor, that would be _______________.
1920 watts
"Inherently Protected" luminaires are designed so that the outside surfaces do not exceed _________________.
194°F
At least one _______ volt, _____-ampere additional branch circuit shall be installed to supply receptacle outlets in attached garages.
120, 20
Type _____ cable is permitted to be used for direct burial applications.
UF
A medicine cabinet above the sink should ideally have _______.
a luminaire in each side
Some curved lines show the connection of luminaires or the _____ for receptacles.
circuiting
A 3-wire circuit has the disadvantage of working with _____ volts present in the outlet and device boxes when troubleshooting.
240
The Code sections concerned with the size requirements of boxes is __________.
Article 314
An outdoor receptacle is required to be provided with _____ protection.
GFCI
Nonmetallic-sheathed cables are usually secured to a panelboard, box, or cabinet, with a _______.
clamp or connector
Metallic conduit buried underground must be protected against ____.
corrosion
Receptacles are ______ below a countertop.
not permitted
Additional weight support takes up space, so _____ conductor allowance is required.
double
A device such as a receptacle installed on a post fixture installed outdoors is required to be provided with _____ protection.
GFCI
NEC 210.8(A) (2) requires that all usual 120 volt circuits installed in garages with electric power have _____ protection.
GFCI
The branch circuit or outlet supplying the clothes dryer where appropriate is required to have _____ if located in the laundry room.
GFCI and AFCI protection
A receptacle installed below the sink for devices such as a food waste disposer are required to be GFCI protected if they are within _______ inches of the sink (horizontally).
GFCI is required regardless of distance from the sink
Receptacles in areas with sinks and permanent provisions for food preparation, beverage preparation, or cooking must also be__________.
GFCI protected
A GFCI feed-through receptacle supplying the multioutlet strip provides ________ for the entire plug-in strip, NEC 210.8(A)(5).
GFCI protection
NEC 210.52(G)(3) says at least one ______ receptacle outlet is required in each unfinished basement area.
GFCI- protected
The NEC tells us that the minimum unit load requirement for dwelling units is ________.
The correct answer is: 3 volt-amperes (VA) per square ft (33 volt-amperes/m2) of floor area
The NEC allows what maximum number of receptacle outlets to be connected on a 120-volt residential lighting or small-appliance branch circuit?
Unlimited
If the attic light switch has a neon pilot light in the handle, the switch does not need a _____.
a grounded circuit connection
According to NFPA 70E, circuits and conductors are not considered to be safe to work on until ________ places them in an electrically safe condition.
a qualified person
Aluminum wire expands and contracts to a greater degree than does copper wire for an equal load. This is referred to as ________. This factor is another cause of a poor connection.
creep or cold flow
Ampacity value depends on the conductor's _______, whether the conductor is copper, copper-clad aluminum, or aluminum, and the ________.
cross-sectional area; insulation
The type most commonly used for residential wiring projects is the "ac only" general use snap switch. They are marked for identifying their voltage and _________ .
current ratings
Closet contents may present a _______so there are very specific rules for the location and types of luminaires permitted.
fire hazard
A flexible conduit or cable-type wiring method, often referred to as a(n) ________in the field, 4 to 6 ft (1.2 to 1.8 m) long, is installed between the junction box and the luminaire.
fixture whip
If the ________luminaires used for the valance lighting are to have a dimmer control, then special dimming ballasts would be required.
fluorescent
Standard boxes may be _____together to make the required volume.
ganged (assembled)
Quite often, a community will have a "Residential Only" license, limiting activity to _____.
house wiring
To provide better humidity control, both ceiling-mounted and wall-mounted fans may be controlled with a _______.
humidistat
A terminal used for more than one conductor shall be ________.
identified for such use
Luminaires used as raceways are permitted _________.
if so listed and marked
Load calculations for small-appliance branch circuits and other major appliance branch circuits are ________the general lighting loads.
in addition to
In switches with pilot lights, the pilot ______________________.
is never fully "off"
The current-carrying capacity (ampacity) of aluminum wire for a given size, insulation, and temperature of 30°C is _____________.
less than that of copper
Paddle fan outlet boxes must be ______ and _______ .
listed, marked as suitable
In addition to states, local municipalities or even inspection agencies can make ____ or ____ to the national code.
local amendments, changes