Res wiring chapters 10, 12, 27
The load for each small-appliance, branch circuit load is required to be calculated at ____.
1,500 volt - amperes
When calculating residential service load , __________ are allowed for each branch circuit serving laundry receptacles
1,500 volt - amperes
When figuring kitchen load to calculate residential service size, which factor must be included?
1,500 volt - amperes for each small - appliance branch circuit
For hallways of _____ft . or more in length , it is required to have at least one receptacle outlet .
10
The receptacle for a kitchen refrigerator is permitted to be supplied by a ( n ) __________ branch circuit
15 ampere or 20 ampere
Some portable appliances use double insulation in place of grounding to provide shock protection to users . Double insulated appliances normally have_________ power cords and attachment plug caps .
2 - wire
The NEC permits all bathroom receptacles to be on a single______ .. branch circuit so long as it doesn't supply other loads .
20 - ampere
A single receptacle on a 20 - ampere individual branch circuit must be rated __________
20 amperes
When calculating the size of the required service , household electric clothes dryer demand factors are given in Table _________ .
220.54
Ceiling - suspended paddle fans must not be located with a zone measured _________ horizontally and __________ vertically from the top of a bathtub rim or top of a shower stall threshold .
3 ft (900 mm); 8 ft (2.5 m)
A residence is supplied by 2/0 AWG service entrance conductors. Checking Table 250.66, we find that the minimum grounding electrode conductor must be a(n) ____________________ AWG copper conductor.
4
NEC 220.61 ( B ) permits the neutral load of ranges , wall - mounted ovens , counter - mounted cooking units , and electric dryers to have a ( n ) ____________ percent demand factor applied .
70
When there are four or more appliances fastened in place , a demand factor ______ of shall be applied to the appliances .
75
Cord-and-plug-connected appliances are not permitted to exceed ____ % of the branch-circuit rating.
80
According to NEC 406.9 , receptacles permitted to be installed in bathtub and shower
Are not
When an individual branch circuit is run for the refrigerator , some inspectors require that a single receptacle be installed to " meet Code . " A single receptacle ensures that the receptacle will not supply other appliances , although this is highly unlikely because the receptacle is located ________ the refrigerator
Behind
What piece of kitchen equipment is permitted to be connected to the two 20-ampere small-appliance circuits required for the kitchen and dining room area?
Clock outlet
In addition to carrying the unbalanced current , the service neutral conductor must also be capable of safely carrying any ___________ that it might be called upon to carry .
Fault Current
The term non coincidental load means that the heating and air - conditioner loads will not operate ___________
Simultaneously
Explain the circumstance ( s ) under which switches are allowed to be installed in a tub or shower space
Switches can only be installed in a tub or shower space when they are listed for a tub or shower assembly . You can not install field installed switches in a tub or shower space .
Local authorities may make variations for load calculations in local and state codes specifically for their communities which may take precedence over the NEC .
True
The service neutral conductor may be insulated or bare.
True
When installing a multi - wire branch circuit , a means must be provided to simultaneously disconnect all of the hot conductors at the panelboard where the circuit originates . This means it is normally a ( n ) ____________ with fuses , a 2 - pole circuit breaker , or two single - pole circuit breakers with a listed _____________
Two pole switch and handle tie
Describe the two ways that receptacles in bathrooms may be GFCI protected .
You can either install GFCI receptacles or you can install GFCI breakers in the panel .
A bathroom is defined as "an area including a basin, with one or more of which items?
any of the above
GFCI protection can be provided for convenience receptacles serving kitchen countertop areas by _________
any of the above
As defined in Article 100 , a bathroom is required to have a ___________ .
basin
A 125-volt through 250-volt receptacle installed to serve a kitchen countertop is required to ____.
be supplied by at least two 20 - ampere small appliance circuits and to have GFCI protection personnel
Most duplex receptacles can be changed into "split-wired" receptacles by ____.
breaking off the small metal tab on the terminals
A(n) ____ receptacle can be hidden behind a painting or photograph that you want to light up.
clock hanger
NEC 410.10 ( D ) ______ lighting track to be located within a zone measured 3 ft ( 900 mm ) horizontally and 8ft ( 2.5 m ) vertically from the top of a bathtub rim or top of a shower stall threshold .
does not permit
With _________ products , it takes two failures to create a shock hazard to the user .
double insulated
When using nonmetallic - sheathed cable or armored cable , never use the bare equipment grounding conductor as a ( n ) ________ , and never use the grounded circuit conductor as an equipment grounding inductor
equipment grounding conductor
Because of the dangers associated with the open neutral ( grounded conductor ) , NEC 300.13 ( B ) does not permit the continuity of the ____________ conductor in a multi - wire circuit to depend on a receptacle .
grounded neutral
NEC 422.16 B ) ( 4 ) permits a range hood to be cord - and - plug connected. The receptacle would be installed ____________ the range .
inside the cabinetry above
In certain parts of the country , such as the southwestern desert climates where extremely hot temperatures are common , the AHJ will probably enforce 310.10 ( D ) and 310.14 ( A ) ( 3 ) regarding temperature limitations of ________ conductors .
insulated
Kitchen lighting ____ permitted to be supplied by the two 20-ampere small-appliance circuits required for the kitchen and dining room area.
is not
When a luminaire is connected to the conductors, the outlet is referred to as a ____ outlet.
lighting
The ___________ conductor is not permitted to be smaller than the grounding electrode conductor .
neutral
The NEC defines a kitchen as an area with a sink and ____ provisions for food preparation and cooking.
permanent
Sizing the neutral conductor only for the normal neutral unbalance current could result in a neutral conductor too________ to safely carry fault currents .
small
The sound level rating used to define fan noise is expressed in ____.
sones
Countertop receptacles must be supplied by at least ____-ampere small appliance branch circuits.
two 20
The 125-volt, 20-ampere receptacles installed to serve kitchen countertops are required to have GFCI protection ____.
under all circumstances
Install luminaires listed for ________locations if they will be subject to shower spray .
wet