Code Test

unused openings other than those intended for the operation of equipment, intended for mounting purposes, or permitted as part of the design for listed equipment shall be?

closed to afford protection substantially equivalent to the wall of the equipment

a load where the maximum current is expected to continue for 3 hours or more is known as?

continuous load

the continuity of the equipment grounding conductors used to reduce electrical shock hazards at carnivals, circuses, fairs and similar events shall be verified

each and every time the portable electrical equipment is connected

in other than feeling units all 125 volt 15 and 20 amp recepticales installed in kitchens shall be GFCI protected

false

the insulated grounded conductor of 6 awg or smaller shall be identified by what color

grey / white

which of the following is true regarding meeting room receptacles?

if one floor receptical is required, it must be located within 6 ft of the wall

for equipment rated more than 60 amps or more than 150 volts to ground, the disconnecting means shall be provided and installed ? for an electric vehicle charging system

in a readily accessible location

switch boards and panel boards containing high leg systems are required to be?

legible and permanently field marked

automatic operated doors used for building egress in health care facilities shall be supplied from the branch emergency system

life safety

there shall be no reduction in the size of the neutral or grounded conductor on ? loads supplied from a 4-wire, wye-connected, the phase system

noon-linear

a feeder splint fixed motor loads shall have a protective device with a rating or setting ? branch-circuit short-circuit and ground fault protective device for any motor in the group, plus the sum of the full load currents of the other motors of the group

not greater than the largest rating or setting of the

in an underground mine one 125 volt 20 amp dedicated emergency circuit shall be located within ? get off entrance

not in NEC

what is the minimum wire bending space at the terminals of enclosed motor controllers if 8awg copper is used?

not specified

there high leg marking on a 4 wire delta connected system shall be ? color?

orange

a rule that is characterized by the use of the terms shall be permitted or shall not be required use which of the following?

permissive rule

one who has skills and knowledge related to construction and operation of the electrical equipment, installation and it's received safety training on the hazards involved is defined in there NEC as ?

qualified person

when an outlet from an underground raceway is discontinued, the circuit conductors supplying the outlet

shall be removed from the raceway

insulated conductors and cables used where exposed to direct rays of the sun shall be off the type listed for sunlight resistance or listed and marked ?

sunlight resistant

luminaries and equipment must be mechanically connected to an equipment grounding conductor as specified in 250.118 and must be sized in accordance with?

table 250.112

the purpose of this code is which of the following

the practical suggesting of persons and property of hazards arising from the use of electricity

a ? is used to protect the motor from overloaded and starting failures

thermal protector (heater)

a receptacle supplying only a permanently installed fire pit burglar alarm system in unfinished basement shall not be required to have GFCI protection

true

all recepticales located within the patient care area of pediatric wards, room or other shall be listed tamper resistant or shall employee a list tamper resistant cover

true

for box fill calculations, a looped, unbroken conductor not less than twice the minimum length required for free conductors shall be counted twice.

true

for ground fault protection guest rooms and guest suites that are provided with permanent provisions for coming shall have branch circuit and outlets installed to meet the rules for dwelling units

true

on a dwelling units arc-fault circuit protection is required on closet outlets

true

receptacles installed in "appliance garages" above the kitchen countertop, which are not really accessible, shall not count as the required countertop outlets

true

the NEC does not cover which of the following

underground mines

what is the maximum number of NM cables containing two or more current carrying conductors installed, without maintaining spacing between cables, through the same opening in wood framing that is to be sealed with thermal insulation, caulk or sealing form

4

type NMC cable shall be supported and secured at intervals not exceeding ? ft and within ? in of every outlet

4.5 and 12

what is the demand factor for 18 households electric clothes dryers?

40%

a continuous load of 175 kva at 480 volts 3 phase would be ? amps

455

electric panel boards of 480v, with exposed live parts on both sides of the working space, shall have a minimum depth off working space clearance of ?

4ft

which electrical code panel is in charge of article 250

5

momentary rating on x-ray equipment is based on operating internally that does not exceed ?

5 min

type HDPE high density polyethylene condos shall not be used where subject to ambient temperature in excess of ? unless listed otherwise

50 c

to be considered "in sight form" the specified equipment shall be visible and both more than ? distant from the other

50 ft

article ? covers the installation of portable wiring and equipment for carnivals, circuses, exhibitions, fairs, traveling attractions, and similar functions

525

what is the full load current amps from a 15 HP, 240 volt, DC motor

55

in a closet storage space, surface mounted florescent luminaries can be installed on the wall above the door or on the ceiling, provided there is a minimum clearance of ? inches between the luminaries and the nearest point of storage space

6

without exception the minimum headroom of working spaces about service equipment shall be

6 1/2 ft

where a permanently installed pool is installed at a new dwelling unit no fewer than one 125 volt 15 or 20 amp receptacle on a general purpose branch circuit shall be located not less than from and not more than from the inside wall of the pool

6 and 20 ft

grounding electrode conductors, smaller than ? where exposed to physical damage, shall be in rigid conduit, IMC, SCH-80 PVC conduit, electrical metal tubing or cable armor

6 awg

where the class 1, division 1 location boundary in below grade, a sealing fitting shall be permitted to be installed ?, and here must not be any unions, couplings, boxes, or fittings between the sealing fitting and the and the frame, other than listed explosion proof reducers.

after the conduit emerges from the grade

without exception, all 126 volt single-phase 15 and 20 amp receptacles in dwelling units supplying ? are required to have GFCI protection

all of the above

manhole covers shall be over which of the following weights or otherwise designed to require the use of tools to open

100lb

which of the following is not a standard size circuit breaker or fuse?

10amp

a hallway in a dwelling requires a receptacle when ? ft or longer

10ft

outlet boxes designed to enclose a flush device must have a minimum depth of?

15/16

a motor disconnect of 1000v or less shall be rated ?% of the full load rating of the motor.

115%

all electrical connections not intended for operation while submerged and artificially made bodies of water shall be located at least ? above the deck of a floating or fixed structure, but not below the electrical datum plane

12

type SE cables for a service riser shall be supported within ? inches of the weather head and at ? inch intervals

12 and 30

the service drop of 300 volts over a residential driveway must have a minimum clearance of

12 ft

wall counter spaces in a dwelling shall have a receptacle installed when the counter space is ? or wider

12 in

for large equipment rated at ? or more and over ? wife that contains over current devices or control devices, there shall be an entrance to and egress from the required working space not less than ? wife and ? high at each end of the working space

1200 amps, 6 ft, 24 in, 6 1/2 ft

conductors that supply a single motor used in a continuous duty application shall have an ampacity of not less than ? percent of the motor full load current rating.

125

which is the ampacity of four current carrying 1/0 THHN conductors in a raceway

136 amp

conductors in rigid metal conduit under a building have cover requirements of inches

0

boxes that enclose utilization equipment supplied by 12 or 10 awg conductors shall have an internal depth that is not less than?

1 3/16 in

a 350amp over current device tiered a minimum equipment grounding conductor size ? aluminum

1 awg

a feeder of 480v had over current protection of 800 amps, what size Cooper conductor is required for the equipment ground?

1/0 awg

without exceptions, the smallest conductor allowed to be paralleled is ?

1/0 awg

the equipment grounding terminal buses of the normal and essential branch circuit panel boards serving the same individual patient vicinity shall be bonded together with insulated continuous conductors not smaller than a ? awg

10

what is the allowable ampacity rating for #18 types of SO cord when two conductors are carrying current

10 amps

the largest solid conductor allowed to be installed on a raceway is ? awg

10 awg

aluminum or copper clad conductors used for grounding conductor shall not terminate ? within inches of the earth

18

in other than dwelling units, receptacle loads shall be completed at not more than ? per outlet

180 volt amps

a 200 amp feeder installed in SCH-80 rigid nonmetallic conduit had three 3/0 THHN conductors, one 2 THHN conductor, and one 6 THHN conductor. what size trade raceway is required?

2

each patient need in critical care areas of a healthcare facility shall be supplied by at least ? branch circuit

2

field cell systems are now recognized for use as a source of power for emergency and legally required standby systems. the fuel cell system shall be off suitable rating and capacity to supply she's maintain the total load not less than ? hours of full demand

2

the electrical service is considered outside the building when installed not less than ? of concrete beneath a building

2 in

what is the volume allowance required as 12 awg conductors when calculating box fill?

2.25 cu in

branch circuits that supply signs and outline lighting systems containing incandescent and florescent forms of illumination shall be rated not to exceed ? amps

20

SJTO cord 12 awg with three conductors is approved for ? amps

20 amps

the power supply cord for a mobile home cannot be less than ? ft from cord plug cap to the point where it enters the mobile home

20 ft

what is the demand factor for services and feeders for 41 mobile homes

23%

SJO cord is too be marked, on there cord, at intervals not to exceed?

24 in

what is the minimum cover requirement for the conductors in rigid metal conduit under a parking lot?

24 in

exposed non current carrying metal parts of a PV module frames, electrical equipment, and conductors enclosures of PV systems shall be grounded in accordance with ? regardless of voltage

250.134 and 250.136

what is the minimum EMT pipe size for the following conductors 4-500 kcmil THHN 3-2/0 XHHW and #4-6 THHW? all current carrying conductors

3 1/2 in

a ground ring shall be buried at a depth below the Earth's surface of not less than?

30 in

a conductor size of 350 kcmil THHW 75 degree copper passing through an area of 36c ambient temperature, what would the ampacity be?

310 amps

outlet boxes designed to support ceiling suspended paddle fan that weigh more than ? pounds shall be required to have a marking that includes there maximum weight to be supported

35

the working space fort condition 1 (600-1000) v would be ? in front of the electrical panel

36 in

luminaries, light tracks, pendants, or ceiling suspended paddle fans shall not be located within a zone measured horizontally and vertically from to of bathtub room or shall stand threshold

3ft and 8ft

where conduit or tubing nipples having a maximum length not to exceed 24" are installed between boxes, cabinets, or similar enclosure, the nipples shall be permitted to be filled to ? of their total cross section area

60%

without exception termination provisions of equipment for circuits rated 100 amps or less, or marked for 14 awg through 1 awg conductor. shall be used only

60c

what is the circular mil area of #12 copper stranded conductor

6530

what would be the maximum number of, THHN 250 kcmil copper conductors that could be installed in a 3 inch rigid metal conduit?

7

the minimum size conductors permitted for bonding swimming pools steel is?

8

the smallest size grounding electrode conductor permitted is?

8 awg

under the optional calculation for single family an electric range of 12 kw would be calculated at?

8 kw

for stationary motors of 2 HP or less and 300v or less on ac circuits, the controller can be an ac-rated only general-use snap switch where the motor full-load current rating is not more than ? % of the rating of the switch

80

sorry circuit and ground fault protection for an individual air conditioner motor compressor shall not exceed ?% of the motor compressor rated load current or branch circuit selection current whichever is greater

80%

all forming shells of a wet niche fixture shall have provisions for a number ? awg grounding conductor

8awg

a household range of 11kw rating under standard calculation would be de-rated to ?kw

8kw