Res wiring chapters 10, 12, 27

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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


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