Wiring Test Chapters 7,10,15,19

When running cables parallel to framing members, at least ________ inches must be maintained between the cable and the edge of the framing member

1 1/4

Flourescent fixtures mounted on low-density cellulose fiberboard must be generally mounted ________ the fiberboard surface

1-1/2 inch from

The "I" in florescent lamp ratings refers to the lamp diameter, in 1/8 inch increments. Thus, a T12 lamp is ______ inch(es) in diameter and an T8 is _______ inch(es)

1-1/2, 1

The maximum overcurrent protection for ________ AWG copper conductors in 30 amperes

10

For hallways of ______ or more in length, at least one receptacle outlet shall be required

10 feet

Dual-voltage-rated pump motors are rated ____.

115/230

Because a water heater represents a continuous load, the branch circuit must be rated not less than _______ percent of the water heater nameplate rating.

125

An electric water heater is a continuous load that requires that the branch circuit rating must not be less than ______ of the nameplate rating

125 percent

If a 115/230-volt, dual voltage motor has a full-load current of 8 amperes at 230 volts, the same motor connected for 115-volt operation will draw ______ amperes

16

When a non-motor-operated electrical appliance is not marked with is overcurrent protective device rating , NEC 422.11(E) states that the branch circuit overcurrent protection shall be

20 amperes where the applicance rating does not exceed 13.3 amperes

The NEC permits all bathroom receptacles to be on a single _______ branch circuit so long as it doesn't supply other loads

20-ampere

Hanging lighting fixtures must be kept at least _______ feet horizontally and _______ feet vertically from the edge of the tub rim

3 and 8

Ceiling-suspended paddle must not be located within a zone measured ______ horizontally and ________ vertically from the top of the bathtub rim or top of a shower stall threshold

3 ft, 8 ft

Prior to the 1996 NEC, ___ receptacles and cords were permitted. However, not it is mandatory that a separate equipment grounding conductor be installed to ground the frames of electric clothes dryers and electric ranges.

3-wire

Electric washer/dryer combinations generally require a ___ - ampere branch circuit similar to that required for a typical electric clothes dryer.

30

The most common fluorescent lamp used for general lighting today is rated _____ watts

34

Incandescent lamp ratings use numbers that are not related to wattage. Instead these numbers indicate the lamp diameter (at its widest point) in eighths of an inch. Thus a PAR38 lamp would be _______ inches in diameter and an R30 would be ________ inches

4 3/4, 3 3/4

An individual motor disconnect must be in sight of the motor controller and must disconnect the controller. The NEC definition of in sight means that the controller must be visible and not more than ______ from the disconnect.

50 ft (15m)

All 125-volt, single phase, 15- and 20- ampere receptacles within ______ feet of the outside edge of a sink shall be GFCI protected

6

Fixtures whips used with fixtures in suspended ceilings are permitted to be of various types of cables or conductors in flexible raceways. Regardless of the wiring method used, fixture whips are permitted to be a maximum of _______ long between outlet box and fixture.

6 feet

LEDs have a life expectancy of _______ hours

60,000-100,000

Which of the following lamp types generally performs badly in low temperatures?

Fluorescent

Describe the two ways that receptacles in bathrooms may be GFCI protected

GFCI receptacle or GFCI breaker

Luminaire is a term that refers to

Incandescent lighting fixtures, flourescent lighting fixtures, outdoor pole-mounted fixtures

Provide a Code reference that prohibits the use of neon lighting in residences

NEC 410.140(b)

Information about what types of lighting fixtures are suitable for which types of installations can be found in the

National Electric Code, UL Guide Information for Electrical Equipment (White book), UL Electrical Construction Materials Directory (Green Book)

Explain what is meant by a class P ballasts

Thermal protection device built in

Recessed lighting fixtures constructed for installation in thermal insulation are rated as

Type IC

Explain the circumstance(s) under which switches are allowed to be installed in a tub or shower space

When they are apart of the tub already

All of the following are acceptable disconnecting means for appliances, except for

a horsepower-rated switch

Should it be required to run a pump's circuit underground for any distance, it is necessary to install Type UF or Type USE cable or _______, and then make up the necessary splices in a listed weatherproof junction box

a raceway with suitable conductors

Various lamps have particular characteristics, even though they will vary by manufacturer. Match the type of lamp with the typical color associated with it a.White 1.Flourescent b.Warm and Natural 2.Compact Flourescent c.Soft warm white 3.LED d.Brilliant white 4.Halogen e.Many shades of white 5.Incandescent

a.LED b.Incandescent c.Compact fluorescent d.Halogen e.Fluorescent

GFCI protected receptacles ____ permitted to be installed within a tub or shower space.

are not

A cluster of LEDs is called a(n)

array

NEC 210.70(A)(3) requires that at least one lighting outlet must be installed in an ___ and that this lighting outlet contain a switch such as a pull-chain lampholder, or be controlled by a switch located near the entry.

attic

As defined in Article 100, a bathroom is required to have a ____.

basin

Overheating of lighting fixtures, which often results in fires, is most often caused by

burying recessed fixtures under thermal insulation and overlamping

All of the following are types of fluorescent ballasts, except for _______

capacitor-boosts

For most residential electric ___, receptacles and cord sets are rated 30 amperes, 125/250 volts.

clothes dryers

In accessible attics, exposed cables must be protected by guard strips when ___. a. they are run across the top of joists b. they are run across the face of the studs c. they are installed within 7 feet of the floor or joists d. all of the above

d. all of the above

The Code permits GFCI-protected receptacles to be installed ______ inches from a tub or shower space a. 12 b.18 c.24 d. none of the above

d. none of the above

A "unit switch" used as a disconnecting means for an electric clothes dryer shall

disconnects all the conductors in the appliance

With _______ products, it takes two failures to create a shock hazard to the user

double-insulated

Electronic ballasts are much more _________ than the magnetic ballasts

energy efficient

Leaving fluorescent lamps on for long periods of time ______ lamp life.

extends

Explain why many incandescent lamps intended for use on 120-volt systems are rated 125 or 130 volts

extends the life of the light

The overload protection for a motor might be thermal overloads (sometimes called _______) in the controller, electronic sensing overload devices, built-in thermal protection, or time-delay fuses

heaters

Where the values of branch-circuit protection required for motors according to Table 430.52 do not correspond to standard ratings as listed in NEC 240.6, the next ___ rating is permitted to be used.

higher

Motor disconnects are required to be

horsepower-rated

When making up cord connections on a chain-hung fixture, the conductor with the grooved or raised insulation is the ______ conductor

identified

Explain the condition(s) under which a residential hallway is required to have one or more receptacles installed in it.

if its longer than 10 feet

The most common type of lamp used in residential lighting is ________, because it brings out pleasing flesh tones

incandescent

A disconnect need not be in sight of motor and driven machinery if the disconnect can be ________ in the open OFF position

individually locked

Submersible pump cable supplied with well pump assemblies _______ also suitable for direct burial

is not

Explain why heating elements in water heaters are frequently rated 250-volts for operation on 240-volt circuits

last longer

What is the advantage of LED lighting

last longer, uses less energy

NEC 210.52(F) requires a(n)n ______ in one-family dwellings

laundry receptacle outlet

Discuss where the branch circuit is installed when wiring lighting fixtures

leg and the loop

Fluorescent lamps are color-rated in terms of degrees Kelvin, which express temperature above absolute zero (-273 F). The ______ the degrees Kelvin, the _______ the color tone

lower, warmer

Recessed or surfaced-mounted luminaires and recessed exhaust fans _____ be located within the restricted zone near the bathtub

may

Explain why bathrooms should not have overhead (ceiling) lighting only, but also wall-mounted lighting above or on either side of the mirror

mirror-lighting instead of overhead lighting

When using nonmetallic-sheathed cable or armored cable, never use the bare equipment grounding conductor as a(n) ________ conductor, and never use the grounded circuit conductor as an equipment grounding conductor

neutral

NEC 430.103 requires that a disconnecting means for a motor shall ___ ungrounded conductors.

open all

When an existing dryer or electrical range is replaced, the NEC ________ the grounded conductor of an existing individual branch circuit to be used for grounding the appliance frame

permits

The National Electric Code does not address the issue of "spill lighting" or "light pollution" from one property to another because unwanted illumination is not a(n) _______ issue, and the NEC is a safety warning. However, building codes sometimes have rules on this subject

safety

Explain why receptacles are not permitted to be installed in bathtub and shower spaces

shock hazard

The NEC requires that an appliance nameplate show _______

the appliance rating in volts and amperes or the appliance connected load in volts and watts

The NEC requires that when a suspended ceiling grid is used to support lay-in type lighting fixtures, ________

the grid be securely fastened together and secured to the building structure and the lay-in fixtures be securely fastened to the grid members using bolts, screws, rivets, or listed clips

The NEC permits overcurrent protective devices for individual branch circuits to appliances to be sized up to 150 percent of the appliance ampere rating. However, if the 150 percent sizing does not correspond to a standard size fuse or circuit-breaker, then what size is permitted.

the next size higher

All fluorescent ballasts other than simple resistance type, both for new and replacement installations, must have _________ built into the ballasts

thermal protection

A bathroom is defined as "an era including a basin, with one or more of the following: _______

toilet, tub, bidet

Some portable appliances use double insulation in place of grounding to provide shock protection to users. Double-insulated appliances normally have ______ power cords and attachments plug caps

two-wire

Water pumps that contain all required starting and protection components and connect directly to the pressure switch with no above-ground controller, are often called _______ pumps

two-wire

Install luminaires listed for _____ locations if they will be subject to shower spray.

wet

Describe one accepted grounding means for new installations

you can still use metal conduit as a grounding means