1-100 residential wireman test part 1
Where equipment requiring servicing is located in an attic, underfloor space, utility room or basement there shall be at least ____ lighting outlet located near that equipment.
-1 -Branch Circuits - 210.70(C) Lighting Outlets Required - All Occupancies
Grounded conductors that are not connected to an overcurrent device shall be permitted to be sized at ____ percent of the continuous and noncontinuous loads.
-100 -Feeders - 215.2(A)(1)(a) Minimum Rating and Size - Feeders Not More Than 600 Volts - General, Exception No. 3
There shall be one 125-volt single phase 15- or 20-ampere receptacle outlet within 18 inches of the top of a show window for each ____ linear feet of the show window.
-12 Branch Circuits - 210.62 Show Windows
The minimum feeder-circuit conductor size shall have an allowable ampacity not less than the noncontinuous load plus ____ percent of the continuous load.
-125 -Feeders - 215.2(A)(1)(a) Minimum Rating and Size - Feeders Not More Than 600 Volts - General
An indoor electrical service area shall be located in an accessible location within ____ feet of the electrical service equipment.
-25 Branch Circuits - 210.64 Electrical Service Areas
Which of the following is an example of a simple apparatus?
-a switch -juctionbox -an LED
At least one wall switch-controlled lighting outlet shall be installed in every ____. A. bathroom
-bathroom; habitual room; kitchen. -Branch Circuits - 210.70(A)(1) Lighting Outlets Required - Dwelling Units - Habitable Rooms
A raceway is an enclosed channel designed expressly for holding ______.
-busbars -cables -wires
Parts of electrical equipment that in ordinary operation produce arcs, sparks, flames, or molten metal shall be ____.
-enclosed/separated -isolated
According to the national electrical code an electric sign is _____ self-contained, electrically illuminated utilization equipment with words or symbols designed to convey information or attract attention
-fixed -stationary -portable
Electric-discharge lighting is defined as systems of illumination which use ______.
-fluorescent lamps -high-intensity discharge (HID) lamps -neon tubing
A 125-volt, single-phase, 15- or 20-ampere-rated receptacle outlet shall be installed at an accessible location for the servicing of ____ equipment.
-heating; air conditioning; refrigeration. Branch Circuits - 210.63 Heating, Air-Conditioning, and Refrigeration Equipment Outlet
Intermittent duty is described as the operation for alternate intervals of _______.
-load and no load -load and rest -load, no load and rest
Where a receptacle in a guest room is installed behind a bed, the receptacle shall be ____.
-located to prevent the bed from contacting any attachment plug that may be installed -be provided with a suitable guard -210.60(B) Guest Rooms
A ground fault that is unintentional, electrically conducting connection between an ungrounded conductor of an electrical circuit and the normally non-current-carrying conductors, metallic enclosures or _______.
-metallic raceways -metallic equipment -earth
The minimum feeder conductor size shall have an allowable ampacity ____ the maximum load to be served after the application of any adjustment or correction factors.
-not less than -Feeders - 215.2(A)(1)(b) Minimum Rating and Size - Feeders Not More Than 600 Volts - General
A composite optical fiber cable contains
-optical fibers -current carrying electrical conductors
If an interior stairway with ____ or more risers has one or more lighting outlets, there shall be a wall switch at each floor level and landing level that includes an entryway.
-six -Branch Circuits - 210.70(A)(2)(3) Lighting Outlets Required - Dwelling Units - Additional Locations
A pressure connector is a device that establishes a connection between ________ by means of mechanical pressure and without the use of a solder.
-two or more conductors -one or more conductors and a terminal
Where a metallic plug or plate is used to cover an unused opening in a nonmetallic enclosure, the plug or plate must be recessed at least ____ inch(es).
1/4"
The work space for electrical equipment in a manhole, vault or other enclosure designed for personnel entry with live part operating at 1000 volts or less that require examination, adjustment, servicing or maintenance while energized shall comply with article ____.
110.26
When determining receptacle outlet requirements, if a sink is installed in an island, with a maximum ____ inch depth of countertop behind the sink, the countertop space is considered to be two separate countertop spaces.
12 210.52(C)(4)
What is the maximum permitted load for a receptacle rated 20 amperes on a 15 ampere branch circuit supplying two or more receptacles?
12 Branch Circuits - 210.21(B)(2) Outlet Devices - Receptacles - Total Cord-and-Plug-Connected
For a dwelling unit or guest suite of a hotel, or similar occupancy, the voltage shall not be more than _____ volts between conductors that supply the terminals of luminaires
120 volts Branch Circuits - 210.6(A)(1) Branch-Circuit Voltage Limitations - Occupancy Limitation
If a branch circuit supplies continuous loads, the rating of the overcurrent device shall be a minimum of the noncontinuous load plus ____ percent of the continuous load.
125 overcurrent protection 210.20 (A)
Section 210.52 provides requirements for ____ receptacle outlets.
125 volt 15 ampere 20 ampere
Branch-circuit conductors that supply loads other than those specified in 210.3 and other than cooking appliances as covered in 210.19(A)(3) shall have an ampacity sufficient for the loads served and shall not be smaller than ____ AWG.
14
What is the maximum receptacle rating permitted to be used on a 15 ampere branch circuit that supplies two or more receptacles?
15 210.21(B)(3) Outlet Devices
If connected to a branch circuit which has a rating in excess of ____ amperes, lampholders shall be the heavy-duty type
20 branch circuits 210.21 (A)
Receptacle outlets shall be located on or a maximum of ____ inches above, a countertop
20 inches 210.52(C)(5)
What is the maximum permitted load for a receptacle rated 30 amperes on a 30 ampere branch circuit supplying two or more receptacles?
24 amperes Branch Circuits - 210.21(B)(2) Outlet Devices - Receptacles - Total Cord-and-Plug-Connected Load, Table 210.21(B)(2)
GFCI protection shall be provided for outlets not exceeding ____ volts that supply boat hoists installed in dwelling unit locations.
240 volts Branch Circuits - 210.8(C) Ground-Fault Circuit-Interrupter Protection for Personnel - Boat Hoists
Which of the following is NOT a standard rating for an individual branch circuit?
25 amperes is not a standard rating for an individual branch circuit
Round access openings in a man hole shall be a minimum of ________- inches in diameter
26
A continuous load is a load where the maximum current is expected to continue for _______ hours or more.
3
A minimum clear cabling work space ____ feet wide shall be provided in a manhole or other electrical enclosure intended for personnel entry where cables are located on both sides, and a minimum of 2 1⁄2 feet where cables are only on one side.
3
What is the maximum receptacle rating permitted to be used on a 30 ampere branch circuit that supplies two or more receptacles?
30 210.21(B)(3) Outlet Devices
When one equipment must be within site of another equipment it must be visible and not more than _______ feet from the other equipment
50 feet
Finely divided solid material that is a maximum of _______ microns and presents a fire or explosion hazard dispersed and ignited in air is combustible dust.
500
The work space for electrical installations shall be clear and extend from the grade, floor, or platform to a height of ____.
6 1/2 ft
Receptacles with ____ feet from the top inside edge of the bowl of sink is required to be ground-fault circuit protected when not installed in a dwelling.
6 feet Branch Circuits - 210.8(B)(5) Ground-Fault Circuit-Interrupter Protection for Personnel - Other Than Dwelling Units - Sinks
An appliance receptacle for a dwelling shall be installed within ____ feet of the intended location of the appliance.
6 feet 210.50(C) General
Live parts of electrical equipment operating at 50 to 300 volts shall be guarded against accidental contact by a minimum elevation of ____ above the floor or other working surface.
8 feet
When a premises wiring system has _______ supplied from more than one nominal voltage system a permanent label shall document the method utilized for identifying conductors by the phase or line and system.
A (Branch circuit) Branch Circuits - 210.5(C)(1)(b) Identification for Branch Circuits - Identification of Ungrounded Conductors - Branch Circuits Supplied from More Than One Nominal Voltage System - Posting of Identification Means
A branch circuit for a garage is permitted to supply all of the following except?
An in law suite built over the garage Branch Circuits - 210.11(C)(4) Branch Circuits Required - Dwelling Units - Garage Branch Circuits
A _____ is the circuit conductors between the final overcurrent device protecting the circuit and the outlets.
Branch circuit
Distribution centers located in readily accessible locations provide _______.
Convenience and safety of operation
A ________ is a device by which the conductors of a circuit can be disconnected from their source of supply.
Disconnecting means
Any circuit conductor between the service equipment, the source of a separately derived system, or other power supply source and the final branch-circuit overcurrent device is a _______.
Feeder
Equipment sealed against the entrance of an external atmosphere where the seal is made by _____.
Fusion
Limits on the number of circuits in a single enclosure minimize the effects from a _______.
Ground fault or short circuit
Where units of measurement are used in the national electrical code they are given in _______ units.
Inch-pound and/or SI
Suitability of equipment may be evidenced by _______.
Listing or labeling
If two or more branch circuits supply a device or piece of equipment on the same yoke, a means to simultaneously disconnect the ungrounded conductor supplying that device shall be provided where the branch circuit ______.
Originates Branch Circuits - 210.7 Multiple Branch Circuits
A rule that identifies actions that are allowed but not required is ______.
Permissive
What color is usually used to identify the positive polarity conductor for a dc branch circuit of more than 60 volts when using 6 AWG or smaller conductors
RED
Branch circuits exceeding 120 volt but not exceeding 277v are permitted to supply all of the following except ______..
Screw shell type lampholders applied within their voltage ratings
What is an electrical source that has no direct connection ti circuit conductors of any other electrical source?
Separately derived system
When adding a different voltage system to an already existing installation it ____ necessary to document the existing unidentified system connections
Shall not be Branch Circuits - 210.5(C)(1)(b) Identification for Branch Circuits - Identification of Ungrounded Conductors - Branch Circuits Supplied from More Than One Nominal Voltage System - Posting of Identification Means, Exception
The ampacity is the maximum current, in ampheres, that a conductor can carry continuously under the conditions of use without exceeding its ______ rating.
Temperature
It is not necessary to inspect a piece of equipment that has not been altered or damaged and has been listed by a qualified electrical testing laboratory is the be installed in a structure
True
A multiwire branch circuit shall supply only one line-to neutral loads.
True Branch circuits - 210.4(C) multiwire branch circuits - line to neutral loads
Each multiwire branch circuit must be provided with a disconnecting means that simultaneously disconnects all ____ conductors at the point or origin for the branch circuit.
Ungrounded Branch circuits - 210.4 (B) multiwire branch circuits- disconnecting means
The identification of terminals to which a grounded conductor is to be connected shall be substantially ______ in color.
White (Use and Identification of Grounding Conductors - 200.9 Means of Identification of Terminals)
An insulated grounded conductor of 6 awg or smaller shall be identified as _______
a continuous white or gray outer finish
An electrically conductive path form the point of a ground fault on a wiring system through normally non-current-carrying conductors to the electrical supply source is ________.
a ground fault current path
A combination of a compressor and motor enclosed in the same housing, with no external shaft or shaft seals, and the motor operating in the refrigerant is _________.
a hermetic refrigerant motor-compressor
all 120 volt, single phase, 15 and 20 ampere branch circuits cupplsyin outlers intalled in dwelling unit rooms or hallways shall be protected by _______ installed to provide protection of the branch circuit.
a listed arc-fault circuit interrupter a listed combination-type, arc-fault circuit interrupter both answers are correct Branch Circuits - 210.12(A) Arc-Fault Circuit-Interrupter Protection - Dwelling Units
A device intended to provide limited overcurrent protection for specific applications and utilization equipment such as luminaires and appliances is ______.
a supplementary over current protective device
A bonding jumper is a connection between a grounded circuit conductor and ______, at a separately derived system.
a supply-side bonding jumper and an equipment grounding conductor
A power supply, which provides alternating current power to a load for some period of time in the event of a power failure is _____.
an uninterruptible power supply
Equipment intended to interrupt current at fault levels shall have en interrupting rating _____ the nominal circuit voltage
at least equal to
If the current edition of the national electrical code requires the use of a new product but that product is not yet available then the _____ may permit the use of a product from the most recent previous edition.
authority having jurisdiction
Ground-fault circuit protection is required in ____ for all 125-volt single-phase 13- and 20-ampere receptacles.
bathrooms, garages, and outdoors Branch Circuits - 210.8(A) Ground-Fault Circuit-Interrupter Protection for Personnel - Dwelling Units
Which chapter of the national electrical code covers communications systems?
chapter 8
Connectors and terminals for conductors more finely stranded than ____ stranding shall be identified for the specific conductor class or classes.
class b and class c
Bonding means connected to establish electrical ______.
conductivity and continuity
The National Electrical Code not intended as ________.
design specification or as an instrucion manual
When a hard conversion is made the ________ may change.
dimensions
Accessible as applied to equipment means admitting close approach and not guarded by _____.
elevation, locked doors, or other affective means.
A disconnecting means shall always be legibly marked to indicate its purpose.
false
A luminaire may be a lamp holder
false
Askarel is a ______ term for a group of non-flammable synthetic chlorinated hydrocarbons used as electrical insulating media
generic
An intersystem bonding termination is a device that provides a means for connecting a communication system bonding conductor to a _________.
grounding electrode system
A branch circuit supplied by an autotransformer shall be ____.
haveth e grounded conductor connected to the founded conductor of the system supplying the autotransformer Branch Circuits - 210.9 Circuits Derived from Autotransformers
A 30-ampere branch circuit shall be permitted to supply fixed lighting units with heavy-duty lampholders as long it is not ____.
in a dwelling unit; utilization equipment in any occupancy 210.23(B) Permissible Loads,
The informational annexes of the national electrical code are for ______.
informational purposes only
What is not covered within the scope of the national electrical code?
installation in underground mines
The underground conductors between the utility electric supply system and the service point are the service ________.
lateral
When a multiple switching device is used as a disconnecting means it shall ____.
manually switch all poles together Branch Circuits - 210.10 Ungrounded Conductors Tapped from Grounded Systems
The ____ branch circuit conductor size shall have an allowable ampacity not less than the maximum load to be served after the application of any adjustment or correction factors.
minimum Branch Circuits - 210.19(A)(1)(b) Conductors — Minimum Ampacity and Size - Branch Circuits Not More Than 600 Volts - General
For the mechanical execution of work, electrical equipment shall be installed in a ____.
neat and workmanlike manner
According to the definition in the National Electrical Code, performing a function which requires human intervention is considered to be ________.
non-automatic
If a disconnecting means is required to be lockable, it shall be capable of being locked in the ____ position
open
The conductors between the service point and the first point of connection to the service-entrance conductors at the building or other structure are the ______.
overhead service conductors
All conductors of a multiwire branch circuit shall originate from the same _______.
panel board or similar distribution equipment (Branch Circuits - 210.4(A) Multiwire Branch Circuits - General)
An arc-fault circuit interrupter, or AFCI is a device which provides protection from the effects of arc faults by _______.
recognizing characteristics unique to arcing and functioning to de-energize the circuit when an arc fault is detected
The provisions of the national electrical code are considered necessary for ________.
safety
the minimum number of branch circuits shall be determined from the _______.
size or rating of the circuits used and total calculated load Branch Circuits - 210.11(A) Branch Circuits Required - Number of Branch Circuits
At the point where a branch circuit originates there shall be a means to simultaneously disconnect all _____ conductors.
ungrounded Branch Circuits - 210.4(B) Multiwire Branch Circuits - Disconnecting Means
